3 records found.
大気暴露試験による1700 MPa級超高力ボルトの緩み
- Journal article
- Creator
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木村 勇次 (author) (Search by this author)構造材料研究センター/材料創製分野/異方性材料グループ, 物質・材料研究機構
;
;森山 仁志 (author) (Search by this author)徳島大学;長崎 英二 (author) (Search by this author)大阪公立大学;山口 隆司 (author) (Search by this author)大阪公立大学;増田 浩志 (author) (Search by this author)宇都宮大学津﨑 兼彰 (author) (Search by this author)
- Keyword
- 低合金鋼, low-alloy steel, ultra-high-strength bolt, bolt loosening, delayed fracture, outdoor exposure test
- Date published
- Updated at
- 2026-06-25 14:39:30 +0900
Delayed Fracture Mechanism of 1700 MPa-Class Quenched and Tempered Bolt under Atmospheric Corrosion Environment
- Journal article
- Creator
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Yuuji Kimura (author) (Search by this author)
;
Tadanobu Inoue (author) (Search by this author)
- Keyword
- low-alloy steel, ultra-high-strength bolt, outdoor exposure test, delayed fracture, hydrogen embrittlement.
- Date published
- 2026-02-01
- Updated at
- 2026-03-04 12:30:15 +0900
Enhanced Resistance to Delayed Fracture in 0.09 mass% P-Doped High-Strength Steel Processed by Warm Tempforming
- Journal article
- Creator
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Yuuji Kimura (author) (Search by this author)Research Center for Structural Materials/Materials Manufacturing Field/Anisotropic Materials Group, National Institute for Materials Science
;
Taku Moronaga (author) (Search by this author)Research Network and Facility Services Division/Materials Fabrication and Analysis Platform/Electron Microscopy Unit, National Institute for Materials Science
;
Kaneaki Tsuzaki (author) (Search by this author)Research Center for Structural Materials, National Institute for Materials Science
- Keyword
- martensite, phosphorus segregation, hydrogen embrittlement, low-alloy steel, thermomechanical treatment, delayed fracture
- Date published
- 2025-01-15
- Updated at
- 2025-01-11 16:30:55 +0900