OKA Mohachiro 岡茂八郎

… Alternative Names

岡茂八郎オカモハチロウ

OKA Mohatiro 岡茂八郎

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Researcher Number	80107838
Other IDs
External Links
Affiliation (Current)	2025: 日本文理大学, 工学部, 特任教授
Affiliation (based on the past Project Information) *help	2020 – 2022: 日本文理大学, 工学部, 特任教授 2019: 大分工業高等専門学校, その他部局等, 客員教授 2018 – 2019: 大分工業高等専門学校, その他部局等, 教授 2012 – 2017: 大分工業高等専門学校, 情報工学科, 教授 2011: 大分工業高等専門学校, 制御情報工学科, 教授 … More 2003 – 2008: 大分工業高等専門学校, 制御情報工学科, 教授 2001 – 2003: 大分工業高等専門学校, 教授 2002: 大分工業高専, 教授 1996 – 2001: 大分工業高等専門学校, 制御情報工学科, 助教授 1999: 助教授 Less
Review Section/Research Field	Principal Investigator Measurement engineering / Measurement engineering / 計測・制御工学 / Basic Section 21030:Measurement engineering-related Except Principal Investigator Measurement engineering / Structural/Functional materials / 計測・制御工学
Keywords	Principal Investigator 非破壊検査 / SUS304 / 渦電流 / 平面曲げ疲労 / 磁気センサ / オーステナイト / 裏側欠陥 / 磁気探傷 / PWM / 高調波 … More / 鉄損 / ステータコア / 電磁鋼板 / 回転機 / Fatigue Damage / Bending Stress / Martensite / Austenite / Excitation Type Magnetic Sensor / Non-destructive Evaluation / 透磁率 / SUS316 / Magnetic sensor / Non-destructive evaluation / 疲労推定 / 鉄系構造材 / 渦電流法 / 疲労 / マルテンサイト変態 / マルテンサイト / 形状推定 / 回転磁束 / ＰＷＭインバータ / インバータ / SiC / IGBT / PWMインバータ / 極薄電磁鋼板 / ビルディングファクター / 渦電流損 / Eddy Current / 磁性 / 材料劣化 / 垂直残留磁化 / 励磁コイル / 疲労被害 / 励磁型磁気センサ / FG magnetic sensor / MI element / Natural crack / Bending stress / Fatigue / Hybrid magnetic sensor / 欠陥属性推定 / 勾配磁気センサ / 余寿命 / SS400 / FG型磁気センサ / MI素子 / Estimation of a defect shape / Reverse-side defect / Estimation of fatigue / Barkhousen noise / Rotational magnetic flux / バルクハウゼンノイズ / 磁気深傷 / 回転磁界 / 交番磁界 / 直流磁界 / 疲労破壊 / 非破壞検査 / 疲労蓄積量評価 / 抵抗率 / インダクタンス / ステンレス鋼 / 予防保全 / クラック / 残留磁化 / FC磁気センサ / リサージュ波形 / サーチコイル … More Except Principal Investigator 非破壊検査 / Defect detection / Fatigue estimation / Electromagnetic evaluation / Nondestructive testing / Spectrogram / Multi-frequency excitation / 磁気工学 / 非破壊探査 / ECT / 亀裂探査 / 欠陥探査 / 疲労探査 / 電磁気探傷 / 非破壊試験 / 多重周波励磁 / 疲労検査 / 多重周波数励磁 / 渦電流探傷 / スペクトログラム / 周波数探査 / Ribbon / Sheet / Slant type SMA / Heat treatment / Oxidation / Magnetite / Shape memory alloy / Shape memory effect / 応力誘起型マルテンサイト / 熱弾性型マルテンサイト / 傾斜型形状記憶効果 / リボン試料 / マグネタイト / マルテンサイト / オーステナイト / 形状記憶効果 / Fe-Mn系合金 / Rotational Barkhausen signal / Matrix type sensor / Rotational magnetic flux type sensor / Moving magnetic flux type sensor / Differential type sensor / Non-destructive testing / Eddy current testing / バルクハウゼンノイズ / 回転磁束型センサー / 移動磁界型センサー / 差動型センサー / 渦電流磁気探傷 Less

Construction of high-speed magnetic property evaluation system under inverter excitation for high-speed high-power density motor corePrincipal Investigator
- Principal Investigator
  
  Oka Mohachiro
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 21030:Measurement engineering-related
- Research Institution
  Nippon Bunri University
Construction of building factor evaluation system for realizing high-power and high-efficiency motor in wide speed rangePrincipal Investigator
- Principal Investigator
  
  OKA Mohachiro
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Measurement engineering
- Research Institution
  Oita National College of Technology
Development of the nondestructive fatigue monitoring system using the combined-type magnetic sensor to achieve highly accurate residual life assessmentPrincipal Investigator
- Principal Investigator
  
  OKA Mohachiro
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Measurement engineering
- Research Institution
  Oita National College of Technology
Development of the New Nondestructive Material Degradation Evaluation Method Using the Low Frequency Excitation Magnetic Sensor Under the DC Magnetic FieldPrincipal Investigator
- Principal Investigator
  
  OKA Mohachiro
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Measurement engineering
- Research Institution
  Oita National College of Technology
Development of the monitoring method of fatigue accumulation using the magnetic sensor to achieve preventive maintenance for ferrous structural materialsPrincipal Investigator
- Principal Investigator
  
  OKA Mohachiro
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Measurement engineering
- Research Institution
  Oita National College of Technology
Development of Fatigue Evaluation System for Structural Metallic Material Using the Eddy Current Type High Sensitivity Magnetic SensorPrincipal Investigator
- Principal Investigator
  
  OKA Mohachiro
- Project Period (FY)
  2005 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Measurement engineering
- Research Institution
  Oita National College of Technology
Development of Nondestructive Evaluation System Using the Excitation Type High Sensitivity Magnetic Sensor to Ddetect Fatigue Damage of Metallic MaterialPrincipal Investigator
- Principal Investigator
  
  OKA Mohachiro
- Project Period (FY)
  2003 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Measurement engineering
- Research Institution
  Oita National College of Technology
構造用金属材の磁気的特性の変化を利用した新しい余寿命推定法の構築Principal Investigator
- Principal Investigator
  
  岡茂八郎
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Measurement engineering
- Research Institution
  Oita National College of Technology
Frequency Scanning System by Multi-frequency Excitation Spectrogram Method
- Principal Investigator
  
  ENOKIZONO Masato
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Measurement engineering
- Research Institution
  Oita University
Development of Non-destructive Evaluation System Using the Hybrid Magnetic Sensor for Natural Cracks on a Reverse-side of thick metallic PlatesPrincipal Investigator
- Principal Investigator
  
  OKA Mohachiro
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Measurement engineering
- Research Institution
  Oita National College of Technology
A NEW COMPOSITE FUNCTIONAL MATERIAL・ DEVELOPMENT OF MAGNETIC SHAPE MEMORY ALLOY
- Principal Investigator
  
  KANADA Tsugunori
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Structural/Functional materials
- Research Institution
  OITA NATIONAL COLLEGE OF TECHNOLOGY
Development of High-Sensitive Detection and Diagnosis System
- Principal Investigator
  
  ENOKIZONO Masato
- Project Period (FY)
  1997 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (B).
- Research Field
  
  計測・制御工学
- Research Institution
  Oita University
Development of The High Grade Magnetic Diagnosis System Using The New Rotational Magnetic Flux Sensor for Non-destructive TestingPrincipal Investigator
- Principal Investigator
  
  OKA Mohachiro
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  計測・制御工学
- Research Institution
  Oita National College of Technology
新しい回転磁束形磁気センサーによる構造用金属材料の亀裂探査システム構築に関する研究Principal Investigator
- Principal Investigator
  
  岡茂八郎
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  計測・制御工学
- Research Institution
  Oita National College of Technology

[Journal Article] Magnetic Properties of Wound Laminated Cores for a Dual-Axial Gap Induction Motor under PWM Excitation2023
- Author(s)
  [1]M. Oka, M. Enokizono, D. Wakabayashi, H. Kiyotake, N. Soda, M. Takai, and T. Kajiya
- Journal Title
  
  Abstracts of the 2023 IEEE International Magnetic Conference
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04509
[Journal Article] Magnetic Property Distribution of a Wound Laminated Stator Core by Ultra-thin Electrical Steel Strip for a Dual-Axial Gap High-Speed Induction Motor2022
- Author(s)
  M. Oka, M. Enokizono, D. Wakabayashi, N. Soda, M. Takai, T. Kajiya
- Journal Title
  
  2022 International Conference on Electrical Machines
  
  Volume: - Pages: 2034-2040
- DOI
  10.1109/icem51905.2022.9910638
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K04509
[Journal Article] Iron Loss Measurements under PWM Excitation for Ring Cores Made of Ultrathin Electrical Steel Sheets for a Stator Core2020
- Author(s)
  Mohachioro Oka, Hirofumi Kiyotake, Masato Enokizono, Daisuke Wakabayashi
- Journal Title
  
  2020 International Conference on Electrical Machines (ICEM2020)
  
  Volume: 1 Pages: 2294-2300
- DOI
  10.1109/icem49940.2020.9270980
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K04509
[Journal Article] Magnetic Property Evaluation of the High-Speed Motor Stator Core Under Sinusoidal and Pulse Width Modulation Wave Excitation using Stator Winding Excitation2019
- Author(s)
  M. Oka, and M. Enokizono
- Journal Title
  
  Journal of the Japan Society of Applied Electromagnetics and Mechanics
  
  Volume: 23 Pages: 458-463
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K06480
[Journal Article] Iron Loss Evaluation of Ultrathin Electrical Steel Sheet for High-speed Motor Stator Core under PWM Excitation2018
- Author(s)
  M. Oka, M. Enokizono, and D. Wakabayashi
- Journal Title
  
  Proceedings of the 2018 XIII International Conference on Electrical Machines
  
  Volume: - Pages: 1240-1245
- DOI
  10.1109/icelmach.2018.8507198
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K06480
[Journal Article] Magnetic characterization of the stator core of a high-speed motor made of an ultrathin electrical steel sheet using the magnetic property evaluation system2018
- Author(s)
  M. Oka, M. Enokizono, Y. Mori, M. Yamazaki
- Journal Title
  
  AIP Advances 8
  
  Volume: 8 Issue: 4 Pages: 047603-047603
- DOI
  10.1063/1.4993502
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K06480, KAKENHI-PROJECT-17H01259
[Journal Article] Evaluation of Frame-Induced Compressive Stress on the Magnetic Properties of Stator Cores Using the Excitation Inner Core Method2018
- Author(s)
  M. Oka, M. Enokizono
- Journal Title
  
  Journal of Electrical Engineering
  
  Volume: 69 Issue: 6 Pages: 477-480
- DOI
  10.2478/jee-2018-0080
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K06480, KAKENHI-PROJECT-17H01259
[Journal Article] The Evaluation of Fatigue Caused by Plane-Bending Stress on Stainless Steel Using the Stacked-Coil Type Magnetic Sensor2017
- Author(s)
  M. Oka, T. Yakushiji, and M. Enokizono
- Journal Title
  
  AIP Conference Proceedings 1806 (Review of Progress in Quantitative Nondestructive Evaluation)
  
  Volume: 1806 Pages: 110009-110009
- Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26420406
[Journal Article] Evaluation of Fatigue Damage Induced by Pulsating Tension Stress and Plane Bending Stress Using the Remnant Magnetization Method2016
- Author(s)
  M. Oka, Yuki Sato, T. Yakushiji, and M. Enokizono
- Journal Title
  
  International Journal of Applied Electromagnetics and Mechanics
  
  Volume: 52 Pages: 1169-1176
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26420406
[Journal Article] 磁気的手法による鉄系構造材の非破壊片振り引張疲労評価2015
- Author(s)
  岡茂八郎, 薬師寺輝敏, 榎園正人
- Journal Title
  
  日本AEM学会誌
  
  Volume: 23 Pages: 654-658
- NAID
  130005123762
- Data Source
  KAKENHI-PROJECT-26420406
[Journal Article] Evaluation of the Material Degradation of Austenitic Stainless Steel under Pulsating Tension Stress Using Magnetic Methods2015
- Author(s)
  M. Oka, T. Yakushiji, and M. Enokizono
- Journal Title
  
  Journal of the Japan Society of Applied Electromagnetics and Mechanics
  
  Volume: ２３ Pages: 458-463
- NAID
  130005113285
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26420406
[Journal Article] Examination of the Inductance Method for Non-Destructive Testing in Structural Metallic Material by Means of the Pancake-type Coil2013
- Author(s)
  M. Oka, T. Yakushiji, Y. Tsuchida, and M. Enokizono
- Journal Title
  
  Journal of the Japan Society of Applied Electromagnetics and Mechanics
  
  Volume: Vol. 21, No. 3 Pages: 488-493
- NAID
  10031192123
- Data Source
  KAKENHI-PROJECT-23560518
[Journal Article] Fatigue Evaluation of Low Carbon Steel by Means of the Inductance Method Using a Pancake-Type Coil2012
- Author(s)
  M. Oka, T. Yakushiji, Y. Tsuchida, and M. Enokizono
- Journal Title
  
  Journal of the Japan Society of Applied Electromagnetics and Mechanics
  
  Volume: Vol. 20, No. 2 Pages: 514-519
- NAID
  110009544613
- Data Source
  KAKENHI-PROJECT-23560518
[Journal Article] NON-DESTRUCTIVE EVALUATION OF FATIGUE DAMAGE FOR SUS316 BY USING ELECTROMAGNETIC METHODS2009
- Author(s)
  M. Oka, Y. Tsuchida, T. Yakushiji, and M.Enokizono
- Journal Title
  
  Review of Progress in Quantitative Nondestructive Evaluation, American Institute of Physics, CP1096 Vol. 28B
  
  Pages: 1442-1449
- Data Source
  KAKENHI-PROJECT-19560434
[Journal Article] NON-DESTRUCTIVE EVALUATION OF FATIGUE DAMAGE FOR SUS316 BY USING ELECTROMAGNETIC METHODS2009
- Author(s)
  岡茂八郎
- Journal Title
  
  Review of Progress in Quantitative Non destructive Evaluation Vol. 28
  
  Pages: 1442-1449
- Data Source
  KAKENHI-PROJECT-19560434
[Journal Article] Estimation of Fatigue Damage for an Austenitic Stainless Steel (SUS304) Using a Pancake Type Coil2008
- Author(s)
  M. Oka, T. Yakushiji, S. Nagato, Y. Tsuchida and M. Enokizono
- Journal Title
  
  Review of Progress in Quantitative Nondestructive Evaluation, American Institute of Physics, CP975 Vol. 27
  
  Pages: 1244-125
- Data Source
  KAKENHI-PROJECT-19560434
[Journal Article] Estimation of Fatigue Damage for an Austenitic Stainless Steel (SUS304) Using a Pancake Type Coil2008
- Author(s)
  岡茂八郎, 他
- Journal Title
  
  Review of Progress in Quantitative Nondestructive Evaluation Vol.27
  
  Pages: 1244-1251
- Data Source
  KAKENHI-PROJECT-19560434
[Journal Article] 磁気センサによるSUS304系鋼・SUS316系鋼の歪みおよび曲げ疲労評価2008
- Author(s)
  槌田雄二, 榎園正人, 岡茂八郎, 薬師寺輝敏
- Journal Title
  
  非破壊検査 Vol. 57, No. 9
  
  Pages: 433-436
- NAID
  10024276773
- Data Source
  KAKENHI-PROJECT-19560434
[Journal Article] Non-destructive Evaluation of Fatigue Damage in the Stainless Steel by Using Electromagnetic Method2008
- Author(s)
  岡茂八郎, 他
- Journal Title
  
  Short Papers Proceedings of 13th International Symposium on Applied Electromagnetics and Mechanics
  
  Pages: 149-150
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560434
[Journal Article] Evaluation of Fatigue Damage in an Austenitic Stainless Steel Using Magnetic Sensors2007
- Author(s)
  M.Oka, K.Ono, S.Nagato, T.Yakushiji, T.Tsuchida, M.Enokizono
- Journal Title
  
  Proceedings of Oita University-Seoul National University Joint Symposium on the Applied Electromagnetics
  
  Pages: 37-38
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17560384
[Journal Article] Non-destructive Evaluation of Fatigue Damage in the Stainless Steel by Using Electromagnetic Method2007
- Author(s)
  M. Oka, K. Ono, T. Yakushiji, Y. Tsuchida and M. Enokizono
- Journal Title
  
  Short Papers Proceedings of 13th International Symposium on Applied Electromagnetics and Mechanics
  
  Pages: 149-150
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560434
[Journal Article] Evaluation of Fatigue Damage in an Austenitic Stainless Steel Using Magnetic Sensors2007
- Author(s)
  岡茂八郎他
- Journal Title
  
  Proceedings of Oita University - Seoul National University Joint Symposium on the Applied Electromagnetics
  
  Pages: 37-38
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17560384
[Journal Article] Estimation of Fatigue Damage for an Austenitic Stainless Steel (SUS304) Using Magnetic Methods2007
- Author(s)
  M.Oka, T.Yakushiji, Y.Tsuchida, M.Enokizono
- Journal Title
  
  Review of Progress in Quantitative Nondestructive Evaluation, American Institute of Physics CP894, Vol.26B
  
  Pages: 1290-1297
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17560384
[Journal Article] Evaluation of the Amount of Plane Bending Fatigue Damage in SUS304 by the Excitation type Magnetic Sensor2007
- Author(s)
  M.Oka, H.Shimada, T.Yakushiji, T.Tsuchida, M.Enokizono
- Journal Title
  
  The 10^<th> Symposium on Nondestructive Surface Testing, Surface Sensing and Evaluation Technologies Related to Aging Degradation in Artfacts
  
  Pages: 120-123
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17560384
[Journal Article] Estimation of Fatigue Damage for an Austenitic Stainless Steel (SUS304) Using Magnetic Methods2007
- Author(s)
  岡茂八郎他
- Journal Title
  
  Review of Progress in Quantitative Nondestructive Evaluation Vol.26B
  
  Pages: 1290-1297
- Data Source
  KAKENHI-PROJECT-17560384
[Journal Article] Evaluation of Plane Bending Fatigue Damage in SUS304 by Magnetic Sensors2006
- Author(s)
  M.Oka, T.Yakushiji, Y.Tsuchida, M.Enokizono
- Journal Title
  
  Proceedings of The 15^<th> MAGDA Conference in Kiryuu
  
  Pages: 144-147
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17560384
[Journal Article] Non-destructive Evaluation of Fatigue in SUS304 Using an Excitation Type Magnetic Sensor2006
- Author(s)
  M.Oka, T.Yakushiji, T.Tsuchida, M.Enokizono
- Journal Title
  
  Proceedings of Oita University-Seoul National University Joint Symposium on the Applied Electromagnetics
  
  Pages: 45-46
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17560384
[Journal Article] 励磁型磁気センサによるSUS304鋼の平面曲げ疲労蓄積量の評価2006
- Author(s)
  岡茂八郎他
- Journal Title
  
  第10回表面探傷シンポジウム講演論文集(日本非破壊検査協会)
  
  Pages: 120-123
- Data Source
  KAKENHI-PROJECT-17560384
[Journal Article] Development of the Non-destructive Evaluation System Using the Eddy Current Probe for Detection of Fatigue Damage in a Stainless Steel2006
- Author(s)
  岡茂八郎他
- Journal Title
  
  Review of Progress in Quantitative Nondestructive Evaluation Vol.25A
  
  Pages: 323-329
- Data Source
  KAKENHI-PROJECT-17560384
[Journal Article] 励磁型磁気センサによるSUS304鋼の平面曲げ疲労蓄積量の評価2006
- Author(s)
  岡茂八郎他
- Journal Title
  
  第10回表面探傷シンポジウム講演論文集
  
  Pages: 120-112
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17560384
[Journal Article] 磁気センサによるSUS304鋼の面外曲げ疲労評価2006
- Author(s)
  岡茂八郎他
- Journal Title
  
  第15回MAGDAコンファレンス(桐生)講演論文集
  
  Pages: 144-147
- Data Source
  KAKENHI-PROJECT-17560384
[Journal Article] Development of the Non-destructive Evaluation System Using the Eddy Current Probe for Detection of Fatigue Damage in a Stainless Steel2006
- Author(s)
  M.Oka, T.Yakushiji, Y.Tsuchida, M.Enokizono
- Journal Title
  
  Review of Progress in Quantitative Nondestructive Evaluation, American Institute of Physics CP820, Vol.25A
  
  Pages: 323-329
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17560384
[Journal Article] Development of the Non-destructive Evaluation System Using the Eddy Current Probe for Detection of Fatigue Damage in a Stainless Steel2006
- Author(s)
  岡茂八郎他
- Journal Title
  
  Review of Progress in Quantitative Nondestructive Evaluation Vol. 25A
  
  Pages: 323-329
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17560384
[Journal Article] Non-destructive Evaluation of Plane Bending Fatigue Damage in SUS304 Using an Eddy Current Probe2006
- Author(s)
  岡茂八郎他
- Journal Title
  
  Digests of ISEM- Bad Gastein (Austria)
  
  Pages: 82-82
- Data Source
  KAKENHI-PROJECT-17560384
[Journal Article] 磁気センサによるSUS304鋼の面外曲げ疲労評価2006
- Author(s)
  岡茂八郎他
- Journal Title
  
  第15回MAMAGDAコンファレンス(桐生)講演論文集
  
  Pages: 144-147
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17560384
[Journal Article] Non-destructive Evaluation of Fatigue in SUS304 Using an Excitation Type Magnetic Sensor2006
- Author(s)
  岡茂八郎他
- Journal Title
  
  Proceedings of Oita University - Seoul National University Joint Symposium on the Applied Electromagnetics
  
  Pages: 45-46
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17560384
[Journal Article] 漏洩磁束によるオーステナイトステンレス鋼の疲労蓄積量評価2005
- Author(s)
  岡茂八郎他
- Journal Title
  
  第14回MAGDAコンファレンス(岐阜)講演論文集
  
  Pages: 170-175
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15560371
[Journal Article] Non-destructive Evaluation of Plane Bending Fatigue Damage in SUS3O4 Using an Eddy Current Probe2005
- Author(s)
  岡茂八郎他
- Journal Title
  
  Short Paper Proceedings of ISEM-2005
  
  Pages: 298-299
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17560384
[Journal Article] オーステナイトステンレス鋼(SUS316,SUS316L)の漏洩磁束による平面曲げ疲労評価2005
- Author(s)
  岡茂八郎他
- Journal Title
  
  14回MAGDAコンファレンス(岐阜)講演論文集
  
  Pages: 170-175
- Data Source
  KAKENHI-PROJECT-15560371
[Journal Article] Evaluation of Fatigue Damage in an Austenitic Stainless Steel (SUS304) Using the Eddy Current Probe2005
- Author(s)
  M.Oka, T.Yakushiji, Y.Tsuchida, M.Enokizono
- Journal Title
  
  ABSTRACTS of The 2005 IEEE International Magnetic Conference BW-09
  
  Pages: 214-214
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15560371
[Journal Article] Non-destructive Evaluation of Plane Bending Fatigue Damage in SUS304 Using an Eddy Current Probe2005
- Author(s)
  M.Oka, T.Yakushiji, T.Tsuchida, M.Enokizono
- Journal Title
  
  Short Paper Proceedings of ISEM-2005(Bad Gastein, Austria)
  
  Pages: 298-299
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17560384
[Journal Article] Evaluation of Fatigue Damage in an Austenitic Stainless Steel (SUS304) Using the Eddy Current Probe2005
- Author(s)
  岡茂八郎他
- Journal Title
  
  ABSTRACTS of The 2005 IEEE International Magnetic Conference
  
  Pages: 214-214
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15560371
[Journal Article] Evaluation of Fatigue Damage in SUS316 and SUS316L Using the FG Magnetic Sensor2005
- Author(s)
  岡茂八郎他
- Journal Title
  
  Studies in Applied Electromagnetics and Mechanics, ELECTRICMAGNETIC NONDESTRUCTIVE EVALUATION (IX) (採録済み)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15560371
[Journal Article] Fatigue Dependence of the Residual Leakage Magnetic Flux Density in SUS3162005
- Author(s)
  M.Oka, T.Yakushiji, T.Tsuchida, M.Enokizono
- Journal Title
  
  Proceedings of Seoul National University Oita University Joint Symposium on the Applied Electromagnetics
  
  Pages: 49-50
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15560371
[Journal Article] Fatigue Dependence of the Residual Leakage Magnetic Flux Density in SUS3162005
- Author(s)
  岡茂八郎他
- Journal Title
  
  Proceedings of Seoul National University - Oita University Joint Symposium on the Applied Electromagnetics
  
  Pages: 49-50
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15560371
[Journal Article] Evaluation of the the Amount of Fatigue Damage in Austenitic Stainless Steels by the Leakage Magnetic Flux2004
- Author(s)
  M.Oka, T.Yakushiji, Y.Tsuchida, M.Enokizono
- Journal Title
  
  Proceedings of The 14^<th> MAGDA Conference in Gifu
  
  Pages: 170-175
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15560371
[Journal Article] オーステナイトステンレス鋼(SUS316,SUS316L)の漏洩磁束による平面曲げ疲労評価2004
- Author(s)
  岡茂八郎他
- Journal Title
  
  第13回MAGDAコンファレンス(仙台)講演論文集
  
  Pages: 203-206
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15560371
[Journal Article] Evaluation of the Plane Bending Fatigue Damage in Austenitic Stainless Steels (SUS316 and SUS316L) by the Leakage Magnetic Flux2004
- Author(s)
  M.Oka, E.Wada, T.Yakushiji, Y.Tsuchida, M.Enokizono
- Journal Title
  
  Proceedings of The 13^<th> MAGDA Conference in Sendai
  
  Pages: 203-206
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15560371
[Journal Article] 磁気センサによるSUS316Lの引張試験ひずみ評価2004
- Author(s)
  岡茂八郎他
- Journal Title
  
  第13回MAGDAコンファレンス(仙台)講演論文集
  
  Pages: 181-184
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15560371
[Journal Article] Evaluation of Tensile Strain in SUS316L Using the Magnetic Sensor2004
- Author(s)
  Y.Tsuchida, M.Oka, T.Yakushiji, M.Enokizono
- Journal Title
  
  Proceedings of The 13^<th> MAGDA Conferencein Sendai
  
  Pages: 181-184
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15560371
[Journal Article] Evaluation of Fatigue Damage in SUS316 and SUS316L Using the FG Magnetic Sensor2004
- Author(s)
  M.Oka, E.Wada, T.Yakushiji, Y.Tsuchida, M.Enokizono
- Journal Title
  
  The 10th International Workshop on Electromagnetic Nondestructive Evaluation, 2004 ENDE Short Papers
  
  Pages: 80-81
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15560371
[Presentation] PWM励磁下の極薄電磁鋼板製巻積層鉄心の磁気特性評価に関する基礎的研究2022
- Author(s)
  足立拓巳, 若林大輔, 岡茂八郎, 榎園正人, 清武博文
- Organizer
  2022年度(第75回)電気・情報関係学会九州支部連合大会
- Data Source
  KAKENHI-PROJECT-20K04509
[Presentation] ゲート信号発生器を用いたPWMインバータ励磁下の磁気特性評価装置による電磁鋼板の鉄損評価2022
- Author(s)
  岡茂八郎，清武博文，若林大輔，榎園正人
- Organizer
  電気学会マグネティックス研究会
- Data Source
  KAKENHI-PROJECT-20K04509
[Presentation] 電磁鋼板製リングコアの鉄損測定に用いるSiC-MOSFETインバータの開発2022
- Author(s)
  川野裕大，清武博文，岡茂八郎，榎園正人
- Organizer
  電気学会マグネティックス研究会
- Data Source
  KAKENHI-PROJECT-20K04509
[Presentation] 0.08mm厚極薄電磁鋼帯を用いた巻き積層コアのPWM励磁下の磁気特性2022
- Author(s)
  岡茂八郎, 清武博文, 若林大輔, 榎園正人, 足立拓巳
- Organizer
  第31回MAGDAコンファレンス in 鹿児島電磁現象および電磁力に関するコンファレンス
- Data Source
  KAKENHI-PROJECT-20K04509
[Presentation] アウターロータ型PMモータステータコアの磁気特性評価法の検討2021
- Author(s)
  岡茂八郎, 若林大輔, 菅亮誠, 榎園正人, 清武博文
- Organizer
  電気学会マグネティックス研究会
- Data Source
  KAKENHI-PROJECT-20K04509
[Presentation] アウターロータ型PMモータステータコアの磁気特性評価のための励磁コア法の検討2020
- Author(s)
  岡茂八郎, 若林大輔, 榎園正人, 菅亮誠
- Organizer
  第29回MAGDAコンファレンス in 大津
- Data Source
  KAKENHI-PROJECT-20K04509
[Presentation] Iron Loss Evaluation for a Small High-efficiency Motor Stator Core Made of an Ultrathin Electrical Steel Sheet under PWM Inverter Excitation Using the Stator Windings Excitation Method2019
- Author(s)
  M. Oka, M. Enokizono, D. Wakabayashi, Hirofumi Kiyotake
- Organizer
  11TH Japanese-Mediterranean Workshop on Applied Electromagnetics for Magnetic, Superconducting and Nano Materials (JAPMED11)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06480
[Presentation] 電磁鋼板製コアの磁気特性測定用PWMインバータ励磁法の検討2019
- Author(s)
  清武博文, 岡茂八郎, 榎園正人, 若林大輔
- Organizer
  電気学会マグネティックス研究会
- Data Source
  KAKENHI-PROJECT-17K06480
[Presentation] 汎用PWMインバータ励磁下の電磁鋼板製小型リングコアの鉄損評価2019
- Author(s)
  岡茂八郎, 清武博文, 榎園正人, 若林大輔
- Organizer
  第28回MAGDAコンファレンス in 大分
- Data Source
  KAKENHI-PROJECT-17K06480
[Presentation] 電磁鋼板製リングコアのPWM励磁条件下の磁気特性測定法の検討2019
- Author(s)
  岡茂八郎，清武博文，榎園正人
- Organizer
  電気学会マグネティックス研究会
- Data Source
  KAKENHI-PROJECT-17K06480
[Presentation] PWMインバータ励磁下の電磁鋼板製リングコアの鉄損測定法の検討2019
- Author(s)
  岡茂八郎，清武博文，榎園正人，若林大輔
- Organizer
  電気学会マグネティックス研究会
- Data Source
  KAKENHI-PROJECT-17K06480
[Presentation] 高調波を含む励磁電圧下の極薄電磁鋼板製鉄心の磁気特性評価2018
- Author(s)
  岡茂八郎,榎園正人
- Organizer
  第30回電磁力関連のダイナミクスシンポジウム
- Data Source
  KAKENHI-PROJECT-17K06480
[Presentation] Magnetic Property Evaluation of the High-Speed Motor Stator Core Under Sinusoidal and Pulse Width Modulation Wave Excitation using Stator Winding Excitation2018
- Author(s)
  M. Oka, and M. Enokizono
- Organizer
  10th Asia-Pacific symposium on Applied Electromagnetics and Mechanics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06480
[Presentation] Iron Loss Evaluation of Ultrathin Electrical Steel Sheet for High-speed Motor Stator Core under PWM Excitation2018
- Author(s)
  M. Oka, M. Enokizono, and D. Wakabayashi
- Organizer
  Proceedings of the 2018 XIII International Conference on Electrical Machines
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06480
[Presentation] Evaluation of Frame-Induced Compressive Stress on the Magnetic Properties of Stator Cores Using the Excitation Inner Core Method2017
- Author(s)
  M. Oka, M. Enokizono
- Organizer
  Magnetic Measurements 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06480
[Presentation] 高速鉄損評価システムによる極薄電磁鋼板製鉄心の磁気特性評価2017
- Author(s)
  岡茂八郎,榎園正人,森祐司,山崎一正
- Organizer
  第29回電磁力関連のダイナミクスシンポジウム
- Data Source
  KAKENHI-PROJECT-17K06480
[Presentation] 高速回転用モータコアの励磁コアを用いた磁気特性評価技術の検討2017
- Author(s)
  岡茂八郎, 榎園正人, 森祐司, 山崎一正
- Organizer
  第26回MAGDAコンファレンス in Kanazawa
- Data Source
  KAKENHI-PROJECT-17K06480
[Presentation] 極薄電磁鋼板製小型高速回転ステータコアの磁気特性評価法の検討2017
- Author(s)
  岡茂八郎, 榎園正人, 森祐司, 山崎一正
- Organizer
  電気学会マグネティックス研究会
- Data Source
  KAKENHI-PROJECT-17K06480
[Presentation] Magnetic characterization of the stator core of a high-speed motor made of an ultrathin electrical steel sheet using the magnetic property evaluation system2017
- Author(s)
  M. Oka, M. Enokizono, Y. Mori, M. Yamazaki
- Organizer
  23rd Soft Magnetic Material Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06480
[Presentation] 積層コイル型磁気センサを用いた冷間圧延鋼板(SPCC)の平面曲げ疲労評価2016
- Author(s)
  岡茂八郎, 薬師寺輝敏, 榎園正人
- Organizer
  第25回MAGDAコンファレンス in Kiryu
- Place of Presentation
  群馬県桐生市
- Year and Date
  2016-11-24
- Data Source
  KAKENHI-PROJECT-26420406
[Presentation] The Evaluation of Fatigue Caused by Plane-Bending Stress on Stainless Steel Using the Stacked-Coil Type Magnetic Sensor2016
- Author(s)
  M. Oka, T. Yakushiji, and M. Enokizono
- Organizer
  Combined Abstracts 2016 PDF of QNDE-Georgia (USA)
- Place of Presentation
  Georgia , Atlanta, USA
- Year and Date
  2016-07-17
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26420406
[Presentation] Evaluation of Fatigue Damage Induced by Pulsating Tension Stress and Plane Bending Stress Using the Remnant Magnetization Method2015
- Author(s)
  M. Oka, Yuki Sato, T. Yakushiji, and M. Enokizono
- Organizer
  17th International Symposium on Applied Electromagnetics and Mechanics
- Place of Presentation
  Kobe city
- Year and Date
  2015-09-15
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26420406
[Presentation] 磁気的手法によるオーステナイトステンレス(SUS316L)の片振引張疲労評価2013
- Author(s)
  岡茂八郎,薬師寺輝敏,榎園正人
- Organizer
  第22回MAGDAコンファレンス in 宮崎電磁現象および電磁力に関するコンファレンス
- Place of Presentation
  宮崎観光ホテル（宮崎県宮崎市）
- Data Source
  KAKENHI-PROJECT-23560518
[Presentation] Fatigue Evaluation of the Iron-based Structural Material (SUS430) by the Eddy Current Sensor under the DC Magnetic Field2013
- Author(s)
  T. Komiya, M. Oka, T. Yakushiji, and M. Enokizono
- Organizer
  15th Japan Korea Joint Symposium on the Applied Electromagnetics
- Place of Presentation
  Sungkyunkwan University (Suwon Korea)
- Year and Date
  2013-02-01
- Data Source
  KAKENHI-PROJECT-23560518
[Presentation] Fatigue Evaluation of the Iron-based Structural Material (SUS430) by the Eddy Current Sensor under the DC Magnetic Field2013
- Author(s)
  T. Komiya, M. Oka, T. Yakushiji, and M. Enokizono
- Organizer
  Proceedings of 15th Japan Korea Joint Symposium on the Applied Electromagnetics
- Place of Presentation
  Sungkyunkwan University (Suwon City, 韓国)
- Data Source
  KAKENHI-PROJECT-23560518
[Presentation] 磁気的手法によるオーステナイトステンレス(SUS316L)の片振引張疲労評価2013
- Author(s)
  岡茂八郎,薬師寺輝敏,榎園正人
- Organizer
  第22回MAGDAコンファレンスin宮崎電磁現象および電磁力に関するコンファレンス
- Place of Presentation
  宮崎観光ホテル(宮崎県宮崎市)
- Year and Date
  2013-12-02
- Data Source
  KAKENHI-PROJECT-23560518
[Presentation] Examination of the Inductance Method for Non-Destructive Testing in Structural Metallic Material by Means of the Pancake-type Coil2012
- Author(s)
  M. Oka, T. Yakushiji, Y. Tsuchida, and M. Enokizono
- Organizer
  7th Asia-Pacific symposium on Applied Electromagnetics and Mechanics
- Place of Presentation
  Majestic Saigon Hotel (Ho Chi Minh City, Vietnam)
- Year and Date
  2012-07-26
- Data Source
  KAKENHI-PROJECT-23560518
[Presentation] Examination of the Inductance Method for Non-Destructive Testing in Structural Metallic Material by Means of the Pancake-type Coil2012
- Author(s)
  M. Oka, T. Yakushiji, Y. Tsuchida, and M. Enokizono
- Organizer
  Digests of 7th Asia-Pacific symposium on Applied Electromagnetics and Mechanics
- Place of Presentation
  Majestic Hotel (Ho Chi Minh City, ベトナム)
- Data Source
  KAKENHI-PROJECT-23560518
[Presentation] Fatigue Evaluation of Low Carbon Steel by Means of the Inductance Method Using a Pancake-Type Coil2011
- Author(s)
  M. Oka, T. Yakushiji, Y. Tsuchida, and M. Enokizono
- Organizer
  20th MAGDA Conference in Pacific Asia
- Place of Presentation
  Garden Villa Kaohsiung (Kaohsiung Taiwan)
- Year and Date
  2011-11-16
- Data Source
  KAKENHI-PROJECT-23560518
[Presentation] Fatigue Evaluation of Low Carbon Steel by Means of the Inductance Method Using a Pancake-Type Coil2011
- Author(s)
  M. Oka, T. Yakushiji, Y. Tsuchida, and M. Enokizono
- Organizer
  The 20th MAGDA Conference in Pacific Asia
- Place of Presentation
  Kaohsiung, Taiwan
- Data Source
  KAKENHI-PROJECT-23560518
[Presentation] NON-DESTRUCTIVE EVALUATION OF FATIGUE DAMAGE FOR SUS316 BY USING ELECTROMAGNETIC METHODS2009
- Author(s)
  M. Oka, Y. Tsuchida, T. Yakushiji, and M. Enokizono
- Organizer
  Review of Progress in Quantitative Nondestructive Evaluation, American Institute of Physics, CP1096, Vol. 28B, pp. 1442-1449
- Data Source
  KAKENHI-PROJECT-19560434
[Presentation] パンケーキ型コイルによるステンレス鋼の疲労評価2008
- Author(s)
  岡茂八郎
- Organizer
  第17回MAGDAコンファレンス in 日立
- Place of Presentation
  茨城県日立市
- Year and Date
  2008-11-20
- Data Source
  KAKENHI-PROJECT-19560434
[Presentation] 電磁気的性質の変化を利用したステンレス鋼(SUS304, SUS316)の疲労評価2008
- Author(s)
  岡茂八郎, 薬師寺輝敏, 槌田雄二, 榎園正人
- Organizer
  第20回「電磁力関連のダイナミクス」シンポジウム講演論文集, pp. 29-32
- Data Source
  KAKENHI-PROJECT-19560434
[Presentation] パンケーキ型コイルによるステンレス鋼の疲労評価2008
- Author(s)
  岡茂八郎,宮崎翔太,薬師寺輝敏, 槌田雄二, 榎園正人
- Organizer
  第17 回MAGDA コンファレンス in 日立電磁現象および電磁力に関するコンファレンス講演論文集, pp.115-118
- Place of Presentation
  日立
- Data Source
  KAKENHI-PROJECT-19560434
[Presentation] 電磁気的性質の変化を利用したステンレス鋼(SUS304, SUS316)の疲労評価2008
- Author(s)
  岡茂八郎
- Organizer
  第20回「電磁力関連のダイナミクス」シンポジウム
- Place of Presentation
  大分県別府市
- Year and Date
  2008-05-21
- Data Source
  KAKENHI-PROJECT-19560434
[Presentation] 3 連コイル型磁気センサを用いたステンレス鋼の疲労評価価2008
- Author(s)
  宮崎翔太,岡茂八郎
- Organizer
  平成20 年度電気関係学会九州支部連合大会講演論文集,10-1P-13, CD-ROM
- Data Source
  KAKENHI-PROJECT-19560434
[Presentation] パンケーキ型コイルのインダクタンスの変化を利用したオーステナイトステンレス鋼の疲労評価2007
- Author(s)
  岡茂八郎, 長門真也,薬師寺輝敏, 槌田雄二, 榎園正人
- Organizer
  第16 回MAGDAコンファレンスin 京都電磁現象および電磁力に関するコンファレンス講演論文集, pp.309-312
- Data Source
  KAKENHI-PROJECT-19560434
[Presentation] パンケーキ型コイルを用いたSUS304の平面曲げ疲労評価2007
- Author(s)
  岡茂八郎, 長門真也, 薬師寺輝敏, 槌田雄二, 榎園正人
- Organizer
  日本非破壊検査協会, 第2回表面探傷分科会講演資料, pp. 31-34
- Data Source
  KAKENHI-PROJECT-19560434
[Presentation] パンケーキ型コイルのインダクタンスの変化を利用したオーステナイトステンレス鋼の疲労評価2007
- Author(s)
  岡茂八郎, 他
- Organizer
  第16回MAGDAコンファレンスin京都電磁現象および電磁力に関するコンファレンス講演論文集
- Place of Presentation
  京都市
- Year and Date
  2007-11-23
- Data Source
  KAKENHI-PROJECT-19560434
[Presentation] Evaluation of the Material Degradation of Austenitic Stainless Steel under Pulsating Tension Stress Using Magnetic Methods
- Author(s)
  M. Oka, T. Yakushiji, and M. Enokizono
- Organizer
  Digests of 8th Asia-Pacific Symposium on Applied Electromagnetics and Mechanics
- Place of Presentation
  National Chung Hsing University, 台中市（台湾）
- Year and Date
  2014-07-23 – 2014-07-25
- Data Source
  KAKENHI-PROJECT-26420406

1. ENOKIZONO Masato (40136784)

# of Collaborated Projects: 12 results

# of Collaborated Products: 32 results
2. KANADA Tsugunori (70040756)

# of Collaborated Projects: 7 results

# of Collaborated Products: 0 results
3. YAKUSHIJI Terutoshi (90210228)

# of Collaborated Projects: 5 results

# of Collaborated Products: 40 results
4. TODAKA Takashi (50163994)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
5. TSUCHIDA Yuji (80284785)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
6. AKITA Masanori (40192900)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. CHADY Tomasz (00295164)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. SIKORA Rysza

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. SIKORA Jan

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

OKA Mohachiro 岡 茂八郎

岡 茂八郎 オカ モハチロウ

岡茂 八郎 オカモ ハチロウ

OKA Mohatiro 岡茂 八郎

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Construction of high-speed magnetic property evaluation system under inverter excitation for high-speed high-power density motor corePrincipal Investigator

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Construction of building factor evaluation system for realizing high-power and high-efficiency motor in wide speed rangePrincipal Investigator

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Development of the nondestructive fatigue monitoring system using the combined-type magnetic sensor to achieve highly accurate residual life assessmentPrincipal Investigator

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Development of the New Nondestructive Material Degradation Evaluation Method Using the Low Frequency Excitation Magnetic Sensor Under the DC Magnetic FieldPrincipal Investigator

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Development of the monitoring method of fatigue accumulation using the magnetic sensor to achieve preventive maintenance for ferrous structural materialsPrincipal Investigator

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Development of Fatigue Evaluation System for Structural Metallic Material Using the Eddy Current Type High Sensitivity Magnetic SensorPrincipal Investigator

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Development of Nondestructive Evaluation System Using the Excitation Type High Sensitivity Magnetic Sensor to Ddetect Fatigue Damage of Metallic MaterialPrincipal Investigator

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構造用金属材の磁気的特性の変化を利用した新しい余寿命推定法の構築Principal Investigator

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Frequency Scanning System by Multi-frequency Excitation Spectrogram Method

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Development of Non-destructive Evaluation System Using the Hybrid Magnetic Sensor for Natural Cracks on a Reverse-side of thick metallic PlatesPrincipal Investigator

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A NEW COMPOSITE FUNCTIONAL MATERIAL・ DEVELOPMENT OF MAGNETIC SHAPE MEMORY ALLOY

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Development of High-Sensitive Detection and Diagnosis System

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Development of The High Grade Magnetic Diagnosis System Using The New Rotational Magnetic Flux Sensor for Non-destructive TestingPrincipal Investigator

OKA Mohachiro 岡茂八郎

岡茂八郎オカモハチロウ

岡茂八郎オカモハチロウ

OKA Mohatiro 岡茂八郎