Doi Kotaro 土井康太郎

Researcher Number	80772889
Other IDs	https://orcid.org/0000-0002-5204-1088
Affiliation (Current)	2025: 国立研究開発法人物質・材料研究機構, 構造材料研究センター, 主任研究員
Affiliation (based on the past Project Information) *help	2023 – 2024: 国立研究開発法人物質・材料研究機構, 構造材料研究センター, 主任研究員 2018 – 2022: 国立研究開発法人物質・材料研究機構, 構造材料研究拠点, 独立研究者 2017: 国立研究開発法人物質・材料研究機構, 若手国際研究センター, ICYS研究員
Review Section/Research Field	Principal Investigator Basic Section 22010:Civil engineering material, execution and construction management-related / Civil engineering materials/Construction/Construction management Except Principal Investigator Basic Section 22010:Civil engineering material, execution and construction management-related
Keywords	Principal Investigator コンクリート / 腐食 / 鋼材 / 急速ひずみ電極試験 / 酸素還元 / 再不働態化 / 鉄筋 / 高酸素腐食促進試験法 / 高酸素反応促進 / 高酸素反応促進技術 … More / 亜鉛めっき / CHZ / カルシウムハイドロキシジンケート / 亜鉛 / 表面処理 / 防食 / 繰返し荷重 / 変形 / 塩化物イオン / 不働態皮膜 / メカノケミカル腐食 / 鉄筋コンクリート / 腐食加速試験 / 不働態皮膜破壊 … More Except Principal Investigator ナノ空間 / 水分移動 / 空隙構造 / コンクリート / 腐食モニタリング / ラマン分光分析 / 腐食環境 / 保護性さび / 鉄筋腐食 Less

Analysis and model construction of water transport in concrete based on phenomenon specific to nano-scaled pore
- Principal Investigator
  
  酒井雄也
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 22010:Civil engineering material, execution and construction management-related
- Research Institution
  The University of Tokyo
Corrosion Behavior of Galvanized Steel Rebar Studied by Hyperbaric-oxygen Accelerated Corrosion TestPrincipal Investigator
- Principal Investigator
  
  DOI Kotaro
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 22010:Civil engineering material, execution and construction management-related
- Research Institution
  National Institute for Materials Science
Establishment of Electrochemical Evaluation and Analysis Method for Steel Corrosion in Concrete in Mechanochemical EnvironmentPrincipal Investigator
- Principal Investigator
  
  DOI Kotaro
- Project Period (FY)
  2019 – 2020
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 22010:Civil engineering material, execution and construction management-related
- Research Institution
  National Institute for Materials Science
Development of corrosion controlling method by stabilization of rust layer
- Principal Investigator
  
  Takaya Satoshi
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 22010:Civil engineering material, execution and construction management-related
- Research Institution
  Kyoto University
Elucidation of Corrosion Mechanism of Steel Rebar in Concrete Using Rapid Straining Electrode Test and Development of a New Accelerated Corrosion TestPrincipal Investigator
- Principal Investigator
  
  Doi Kotaro
- Project Period (FY)
  2017 – 2018
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Civil engineering materials/Construction/Construction management
- Research Institution
  National Institute for Materials Science

All 2023 2022 2021 2020 2019 2018 2017

All Journal Article Presentation Patent

[Journal Article] Rapid Formation of Calcium Hydroxy Zincate on Zinc by Hyperbaric-oxygen2022
- Author(s)
  Doi Kotaro、Hiromoto Sachiko
- Journal Title
  
  Zairyo-to-Kankyo
  
  Volume: 71 Issue: 1 Pages: 21-29
- DOI
  10.3323/jcorr.71.21
- NAID
  130008158507
- ISSN
  0917-0480, 1881-9664
- Year and Date
  2022-01-10
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K04226
[Journal Article] Effects of CO<sub>2</sub> Partial Pressure and Drying Conditions on Carbonation of Mortars2022
- Author(s)
  Yokoyama Yuki、Doi Kotaro、Hiromoto Sachiko
- Journal Title
  
  Zairyo-to-Kankyo
  
  Volume: 71 Issue: 10 Pages: 284-287
- DOI
  10.3323/jcorr.71.284
- ISSN
  0917-0480, 1881-9664
- Year and Date
  2022-10-10
- Language
  Japanese
- Data Source
  KAKENHI-PROJECT-21K04226
[Journal Article] Synergistic Effects of Plastic Deformation and Chloride Ions on Corrosion Initiation of Steel Rebars in Simulated Concrete Pore Solution2022
- Author(s)
  Doi Kotaro、Hiromoto Sachiko
- Journal Title
  
  Journal of The Electrochemical Society
  
  Volume: 169 Issue: 8 Pages: 081505-081505
- DOI
  10.1149/1945-7111/ac87d3
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K04226
[Journal Article] Electrochemical Impedance Analysis of Effect of Surrounding Oxygen Concentration on Corrosion Resistance of Type 304 Stainless Steel2022
- Author(s)
  Doi Kotaro、Asano Hiroyasu、Hoshi Yoshinao、Hiromoto Sachiko
- Journal Title
  
  Zairyo-to-Kankyo
  
  Volume: 71 Issue: 11 Pages: 308-311
- DOI
  10.3323/jcorr.71.308
- ISSN
  0917-0480, 1881-9664
- Year and Date
  2022-11-10
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K04226
[Journal Article] Micromechanical properties of steel corrosion products in concrete studied by nano-indentation technique2020
- Author(s)
  Jiang Baozhen、Doi Kotaro、Tsuchiya Koichi、Kawano Yutaka、Kori Ami、Ikushima Kenji
- Journal Title
  
  Corrosion Science
  
  Volume: 163 Pages: 108304-108304
- DOI
  10.1016/j.corsci.2019.108304
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K15066, KAKENHI-ORGANIZER-18H05450, KAKENHI-PROJECT-17H02808, KAKENHI-PLANNED-18H05451
[Journal Article] Diagnostic Technique for Corrosion of Reinforcing Steel Inside Concrete2020
- Author(s)
  Doi Kotaro
- Journal Title
  
  Materia Japan
  
  Volume: 59 Issue: 6 Pages: 313-320
- DOI
  10.2320/materia.59.313
- NAID
  130007849993
- ISSN
  1340-2625, 1884-5843
- Year and Date
  2020-06-01
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K15066
[Journal Article] Role of mill scale on corrosion behavior of steel rebars in mortar2020
- Author(s)
  Doi Kotaro、Hiromoto Sachiko、Shinohara Tadashi、Tsuchiya Koichi、Katayama Hideki、Akiyama Eiji
- Journal Title
  
  Corrosion Science
  
  Volume: 177 Pages: 108995-108995
- DOI
  10.1016/j.corsci.2020.108995
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K15066
[Journal Article] 模擬コンクリート溶液中で変形させたSD345 鋼の金属溶解と再不働態化挙動2019
- Author(s)
  土井康太郎、廣本祥子
- Journal Title
  
  第 66 回材料と環境討論会講演予稿集
  
  Volume: - Pages: 223-224
- Data Source
  KAKENHI-PROJECT-19K15066
[Journal Article] Effects of Oxygen Pressure and Chloride Ion Concentration on Corrosion of Iron in Mortar Exposed to Pressurized Humid Oxygen Gas2018
- Author(s)
  Doi Kotaro、Hiromoto Sachiko、Katayama Hideki、Akiyama Eiji
- Journal Title
  
  Journal of The Electrochemical Society
  
  Volume: 165 Issue: 9 Pages: C582-C589
- DOI
  10.1149/2.1421809jes
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K14711
[Journal Article] Hyperbaric-Oxygen Accelerated Corrosion Test of Iron in Cement Paste and Mortar2018
- Author(s)
  Doi Kotaro、Hiromoto Sachiko、Akiyama Eiji
- Journal Title
  
  Journal of the Japan Institute of Metals and Materials
  
  Volume: 82 Issue: 1 Pages: 1-7
- DOI
  10.2320/jinstmet.J2017030
- NAID
  130006279198
- ISSN
  0021-4876, 1880-6880, 2433-7501
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K14711
[Journal Article] CORROSION RESISTANCE OF SD345 STEEL IN A SOLUTION THAT SIMULATES CONCRETE WITH Cl<sup>-</sup>2018
- Author(s)
  DOI Kotaro、YAMADA Maya、HOSHI Yoshinao、SHITANDA Isao、KATAYAMA Hideki、ITAGAKI Masayuki
- Journal Title
  
  Journal of Japan Society of Civil Engineers, Ser. E2 (Materials and Concrete Structures)
  
  Volume: 74 Issue: 1 Pages: 1-9
- DOI
  10.2208/jscejmcs.74.1
- NAID
  130006316168
- ISSN
  2185-6567
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K14711
[Journal Article] Hyperbaric-Oxygen Accelerated Corrosion Test for Iron in Cement Paste and Mortar2018
- Author(s)
  Doi Kotaro、Hiromoto Sachiko、Akiyama Eiji
- Journal Title
  
  MATERIALS TRANSACTIONS
  
  Volume: 59 Issue: 6 Pages: 927-934
- DOI
  10.2320/matertrans.M2018029
- NAID
  130006744108
- ISSN
  1345-9678, 1347-5320
- Year and Date
  2018-06-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K14711
[Journal Article] 電気化学的不働態皮膜破壊と加圧酸素ガス供給によるモルタル埋設鉄の加速腐食2018
- Author(s)
  土井康太郎, 廣本祥子, 秋山英二
- Journal Title
  
  コンクリート構造物の補修,　補強,　アップグレード論文報告集
  
  Volume: 18
- NAID
  40022281257
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K14711
[Patent] 亜鉛基合金又は亜鉛めっき鋼板の耐食性被覆層の形成方法2021
- Inventor(s)
  土井康太郎、廣本祥子
- Industrial Property Rights Holder
  物質・材料研究機構
- Industrial Property Rights Type
  特許
- Filing Date
  2021
- Data Source
  KAKENHI-PROJECT-21K04226
[Patent] 亜鉛基合金又は亜鉛めっき鋼板の耐食性被覆層の形成方法2021
- Inventor(s)
  土井康太郎、廣本祥子
- Industrial Property Rights Holder
  物質・材料研究機構
- Industrial Property Rights Type
  特許
- Patent Publication Number
  2023-019399
- Filing Date
  2021
- Data Source
  KAKENHI-PROJECT-21K04226
[Presentation] コンクリート中の亜鉛表面におけるカルシウムハイドロキシジンケート(CHZ)の形成と成長2023
- Author(s)
  土井康太郎
- Organizer
  2022年度 NIMSインフラ構造材料パートナーシップ第4回研究会
- Data Source
  KAKENHI-PROJECT-21K04226
[Presentation] 供給酸素分圧がSUS304鋼の耐食性に及ぼす影響の電気化学インピーダンス解析2022
- Author(s)
  浅野弘靖, 土井康太郎, 星芳直, 廣本祥子
- Organizer
  材料と環境2022
- Data Source
  KAKENHI-PROJECT-21K04226
[Presentation] Ca2+を含んだ溶液中における亜鉛耐食被膜の形成と成長2022
- Author(s)
  土井康太郎、廣本祥子
- Organizer
  日本金属学会第170回講演大会
- Data Source
  KAKENHI-PROJECT-21K04226
[Presentation] 加圧と乾燥条件がモルタルの中性化の進行へ及ぼす影響の分析2022
- Author(s)
  横山勇気, 土井康太郎, 廣本祥子
- Organizer
  材料と環境2022
- Data Source
  KAKENHI-PROJECT-21K04226
[Presentation] コンクリート中の鋼材腐食を律速する酸素と水分状態.2022
- Author(s)
  土井康太郎
- Organizer
  コンクリート中への水分浸透評価とその活用に関する研究小委員会（362委員会）」成果報告会およびシンポジウム
- Data Source
  KAKENHI-PROJECT-21K04226
[Presentation] Corrosion Behavior of Steel Rebar in Concrete Studied with Hyperbaric-oxygen Accelerated Corrosion Test2022
- Author(s)
  DOI, Kotaro, HIROMOTO, Sachiko, AKIYAMA, Eiji, TSUCHIYA, Koichi
- Organizer
  ICAS2022
- Data Source
  KAKENHI-PROJECT-21K04226
[Presentation] 高酸素腐食促進試験法の開発とコンクリート中鋼材腐食研究・防食技術への応用2022
- Author(s)
  土井康太郎
- Organizer
  Polymers-in-Concrete委員会講演会
- Invited
- Data Source
  KAKENHI-PROJECT-21K04226
[Presentation] 亜鉛表面におけるカルシウムハイドロキシジンケートの形成と成長2022
- Author(s)
  土井康太郎、廣本祥子
- Organizer
  令和4年度土木学会全国大会第77回年次学術講演会
- Data Source
  KAKENHI-PROJECT-21K04226
[Presentation] SD345鋼のすべりを起点とした腐食発生に及ぼす塩化物イオンの影響2021
- Author(s)
  土井康太郎, 廣本祥子
- Organizer
  日本金属学会2021年春期(第168回)講演大会
- Data Source
  KAKENHI-PROJECT-19K15066
[Presentation] 酸素供給による亜鉛表面でのカルシウムハイドロキシジンケートの加速形成2021
- Author(s)
  土井康太郎、廣本祥子
- Organizer
  第68回材料と環境討論会
- Data Source
  KAKENHI-PROJECT-21K04226
[Presentation] Dissolution and Repassivation Behavior of Reinforcing Steel Deformed in Simulated Concrete Solution Containing Cl-2020
- Author(s)
  DOI Kotaro, HIROMOTO Sachiko
- Organizer
  EUROCORR 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K15066
[Presentation] 模擬コンクリート溶液中で変形させたSD345 鋼の金属溶解と再不働態化挙動2019
- Author(s)
  土井康太郎、廣本祥子
- Organizer
  第66回材料と環境討論会
- Data Source
  KAKENHI-PROJECT-19K15066
[Presentation] Accelerated Corrosion of Reinforcing Steel in Mortar by Supplying Pressured Oxygen Gas2018
- Author(s)
  DOI Kotaro, HIROMOTO Sachiko, Eiji AKIYAMA
- Organizer
  EUROCORR2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14711
[Presentation] Enhancement of Reinforcing Steel Corrosion in Mortar by Hyperbaric-oxygen Accelerated Corrosion Test2018
- Author(s)
  Kotaro Doi, Sachiko Hiromoto, Eiji Akiyama
- Organizer
  MANA International Symposium 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14711
[Presentation] Enhancement of Reinforcing Steel Corrosion in Mortar by Hyperbaric-oxygen Accelerated Corrosion Test2018
- Author(s)
  DOI Kotaro, HIROMOTO Sachiko, Eiji AKIYAMA
- Organizer
  MANA International Symposium 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14711
[Presentation] Corrosion Enhancement of iron Embedded in Mortar by Hyperbaric-oxygen Accelerated Corrosion Test2018
- Author(s)
  DOI Kotaro, HIROMOTO Sachiko, Eiji AKIYAMA
- Organizer
  69th Annual ISE Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14711
[Presentation] 加圧酸素ガス供給によるモルタル埋設鉄筋の腐食加速2018
- Author(s)
  土井康太郎, 廣本祥子, 秋山英二
- Organizer
  第65回材料と環境討論会
- Data Source
  KAKENHI-PROJECT-17K14711
[Presentation] 電気化学的不働態皮膜破壊と加圧酸素ガス供給によるモルタル埋設鉄の加速腐食2018
- Author(s)
  土井康太郎, 廣本祥子, 秋山英二
- Organizer
  第18回コンクリート構造物の補修，補強，アップグレードシンポジウム
- Data Source
  KAKENHI-PROJECT-17K14711
[Presentation] Steel Corrosion Enhancement in Mortar by Supplying Pressurized Oxygen Gas2018
- Author(s)
  DOI Kotaro, HIROMOTO Sachiko, Eiji AKIYAMA
- Organizer
  18th Asian Pacific Corrosion Control Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14711
[Presentation] コンクリート中鉄筋腐食の基礎と新腐食加速試験法の開発2017
- Author(s)
  土井康太郎
- Organizer
  平成29年度ウエザリング技術研究成果発表会
- Invited
- Data Source
  KAKENHI-PROJECT-17K14711
[Presentation] Acceleration of Fe Corrosion in Cement Paste and Mortar by Enhancing Oxygen Supply2017
- Author(s)
  DOI, Kotaro, HIROMOTO, Sachiko, AKIYAMA Eiji
- Organizer
  232nd ECS MEETING
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14711
[Presentation] モルタル埋設鉄の腐食発生と進展の促進2017
- Author(s)
  土井康太郎, 廣本祥子, 秋山英二
- Organizer
  第64回材料と環境討論会
- Data Source
  KAKENHI-PROJECT-17K14711
[Presentation] 高酸素腐食促進試験における供給酸素圧とモルタル埋設鉄の腐食の関係2017
- Author(s)
  土井康太郎, 廣本祥子, 秋山英二
- Organizer
  日本金属学会2017年秋期(第 161回)講演大会
- Data Source
  KAKENHI-PROJECT-17K14711
[Presentation] 酸素供給促進によるモルタル埋設鉄の加速腐食2017
- Author(s)
  土井康太郎, 廣本祥子, 秋山英二
- Organizer
  土木学会全国大会第72回年次学術講演会
- Data Source
  KAKENHI-PROJECT-17K14711

1. Takaya Satoshi (40554209)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
2. 左藤眞市 (20359409)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. 酒井雄也 (40624531)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Doi Kotaro 土井 康太郎

Research Projects

Research Products

Co-Researchers

Analysis and model construction of water transport in concrete based on phenomenon specific to nano-scaled pore

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Corrosion Behavior of Galvanized Steel Rebar Studied by Hyperbaric-oxygen Accelerated Corrosion TestPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Establishment of Electrochemical Evaluation and Analysis Method for Steel Corrosion in Concrete in Mechanochemical EnvironmentPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of corrosion controlling method by stabilization of rust layer

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Elucidation of Corrosion Mechanism of Steel Rebar in Concrete Using Rapid Straining Electrode Test and Development of a New Accelerated Corrosion TestPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Rapid Formation of Calcium Hydroxy Zincate on Zinc by Hyperbaric-oxygen2022

Author(s)

Journal Title

DOI

NAID

ISSN

Year and Date

Language

Data Source

[Journal Article] Effects of CO<sub>2</sub> Partial Pressure and Drying Conditions on Carbonation of Mortars2022

Author(s)

Journal Title

DOI

ISSN

Year and Date

Language

Data Source

[Journal Article] Synergistic Effects of Plastic Deformation and Chloride Ions on Corrosion Initiation of Steel Rebars in Simulated Concrete Pore Solution2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Electrochemical Impedance Analysis of Effect of Surrounding Oxygen Concentration on Corrosion Resistance of Type 304 Stainless Steel2022

Author(s)

Journal Title

DOI

ISSN

Year and Date

Language

Data Source

[Journal Article] Micromechanical properties of steel corrosion products in concrete studied by nano-indentation technique2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Diagnostic Technique for Corrosion of Reinforcing Steel Inside Concrete2020

Author(s)

Journal Title

DOI

NAID

ISSN

Year and Date

Language

Data Source

[Journal Article] Role of mill scale on corrosion behavior of steel rebars in mortar2020

Author(s)

Doi Kotaro 土井康太郎