# Delayed Fracture Mechanism of 1700 MPa-Class Quenched and Tempered Bolt under Atmospheric Corrosion Environment

https://mdr.nims.go.jp/datasets/f164a327-a748-4ae9-b973-8ea26571674a

## File

- [Kimura_TETSU(2026).pdf](https://mdr.nims.go.jp/filesets/338002b4-d977-4778-a05c-9b5b1ae7e6ff/download) ([Detail](https://mdr.nims.go.jp/filesets/338002b4-d977-4778-a05c-9b5b1ae7e6ff.md))

## Id

f164a327-a748-4ae9-b973-8ea26571674a

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2026-02-02T00:29:17.408706Z

## Updated at

2026-03-04T03:30:15.631654Z

## Published at

2026-03-04T00:52:51.241584Z

## Doi



## First published url

https://doi.org/10.2355/tetsutohagane.tetsu-2025-080

## Date published

2026-02-01

## Recorded date published

2026

## Resource type

journal_article

## Manuscript type

vor

## Collection



## Title

- title: Delayed Fracture Mechanism of 1700 MPa-Class Quenched and Tempered Bolt under
    Atmospheric Corrosion Environment
  title_type: original
  lang: en

## Description

- description: 本論文では、1700 MPa級調質ボルトについて、日本ウエザリングテストセンター（JWTC）宮古島試験場での10年間の暴露試験結果、さらにこれを再現したつくば市の物質・材料研究機構（NIMS）構内での暴露試験の結果をまとめたうえで、大気暴露試験でボルト軸部の軸力の変化測定からき裂発生から破断に至る遅れ破壊過程を観察して破面形態と関連付けて議論した。
  description_type: abstract
  lang: und

## Creator

- name: Yuuji Kimura
  role: author
  orcid: https://orcid.org/0000-0002-8907-0704
- name: Tadanobu Inoue
  role: author
  orcid: https://orcid.org/0000-0002-7366-7688

## Contact agent



## Publisher

organization: Iron and Steel Institute of Japan

## Managing organization



## Keyword

- subject: low-alloy steel
  schema: not_defined
- subject: ultra-high-strength bolt
  schema: not_defined
- subject: outdoor exposure test
  schema: not_defined
- subject: delayed fracture
  schema: not_defined
- subject: hydrogen embrittlement.
  schema: not_defined

## Rights

- identifier: https://creativecommons.org/licenses/by-nc-nd/4.0/

## Other identifier(s)



## Data origin



## Embargo



## Journal

- title: Tetsu-to-Hagane
  issn: '00211575'
  volume: '112'
  issue: '2'
  article_number: TETSU-2025-080

## Conference



## Related item



## Funding

- identifier: JP19H02468
  funder_name: JSPS
  description: 科研費
- identifier: JP24K01204
  funder_name: JSPS
  description: 科研費

## Instrument



## Instrument operator



## Instrument managing organization



## Measurement method



## Specimen



## Chemical composition



## Structure for specimen



## Structural feature for specimen



## Specific property for specimen



## Process for specimen treatment



## Computational method



## Energy level/transition state



## Software



## Custom property



## Fileset

- id: 338002b4-d977-4778-a05c-9b5b1ae7e6ff
  filename: Kimura_TETSU(2026).pdf
  content_type: application/pdf
  size: 11770327
  md5: f253996e500a8e818cddea08ccdfa777

## Thumbnail

fileset_id: 338002b4-d977-4778-a05c-9b5b1ae7e6ff
filename: Kimura_TETSU(2026).pdf