13 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
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;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
1700 MPa級軸先行型降伏ボルトを用いた引張接合継手の数値解析的研究
- Journal article
- Creator
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;杉本 悠真 (author) (Search by this author)岩手大学;森山 仁志 (author) (Search by this author)徳島大学木村 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
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津﨑 兼彰 (author) (Search by this author)
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山口 隆司 (author) (Search by this author)大阪公立大学
- Keyword
- 超高力ボルト, 引張接合接手
- Date published
- Updated at
- 2026-03-04 12:30:18 +0900
S45Cにおける加工熱処理が衝撃じん性と破壊形態に及ぼす影響
- Journal article
- Creator
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;佐々木 大輔 (author) (Search by this author)久留米工業高等専門学校;大塚 優馬 (author) (Search by this author)久留米工業高等専門学校;田中 亜弥 (author) (Search by this author)久留米工業高等専門学校;東 祐奈 (author) (Search by this author)久留米工業高等専門学校;畑 彰眞 (author) (Search by this author)久留米工業高等専門学校;大野 健臣 (author) (Search by this author)久留米工業高等専門学校;吉利 用之 (author) (Search by this author)久留米工業高等専門学校;西口 廣志 (author) (Search by this author)佐世保工業高等専門学校和田 健太郎 (author) (Search by this author)構造材料研究センター/材料評価分野/極低温疲労グループ, 物質・材料研究機構
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津﨑 兼彰 (author) (Search by this author)
- Keyword
- Processing heat treatment, Impact toughness, Fracture behavior, Ferrite-Pearlite, Martensite
- Date published
- [2024年12月]
- Updated at
- 2026-01-06 13:51:24 +0900
Fe-Cr-Niオーステナイト鋼における水素固溶強化の現象論と潜在機構
- Journal article
- Creator
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小川 祐平 (author) (Search by this author)National Institute for Materials Science
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;髙桑 脩 (author) (Search by this author);森山 潤一朗 (author) (Search by this author);西田 会希 (author) (Search by this author)National Institute for Materials Science津﨑 兼彰 (author) (Search by this author)National Institute for Materials Science
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柴田 曉伸 (author) (Search by this author)National Institute for Materials Science
- Keyword
- Austenitic steel, Hydrogen, Solid solution-hardening
- Date published
- 2025-10-01
- Updated at
- 2025-11-27 08:30:16 +0900
Fatigue Limit Doubling in High‐Strength Martensitic Steel through Crack Embryo Engineering–Cyclic‐Training‐Driven Self‐Optimization
- Journal article
- Creator
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Kazuho Okada (author) (Search by this author)National Institute for Materials Science
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Kaneaki Tsuzaki (author) (Search by this author)National Institute for Materials Science
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Eri Nakagawa (author) (Search by this author)National Institute for Materials Science
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Akinobu Shibata (author) (Search by this author)National Institute for Materials Science
- Keyword
- マルテンサイト鋼, 疲労限度, き裂発生
- Date published
- 2025-06-29
- Updated at
- 2025-11-11 16:30:06 +0900
Achieving remarkable enhancement of yield strength ensuring large ductility in a metastable Fe50Mn30Cr10Co10 high-entropy alloy via warm rolling treatment
- Journal article
- Creator
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Xiaodong Lan (author) (Search by this author)
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Kaneaki Tsuzaki (author) (Search by this author)
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Rintaro Ueji (author) (Search by this author)
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Akinobu Shibata (author) (Search by this author)
- Keyword
- metastable high-entropy alloy, warm rolling, martensitic transformation, ε-TRIP effect, mechanical properties
- Date published
- 2025-08-15
- Updated at
- 2025-08-18 16:30:57 +0900
1700 MPa級超高力ボルトの大気腐食環境での遅れ破壊挙動
- 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
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;森山 仁志 (author) (Search by this author)徳島大学;長崎 英二 (author) (Search by this author)大阪市立大学;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
- Low-alloy steel, ultra-high-strength bolt, delayed fracture, outdoor exposure test
- Date published
- Updated at
- 2025-04-01 13:06:37 +0900
Ausformed high-strength low-alloy steel exhibits exceptional resistance to fatigue crack-growth in high-pressure hydrogen environments
- Journal article
- Creator
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;Timothee Redarce (author) (Search by this author)Kyushu University;Keiichiro Iwata (author) (Search by this author)Kyushu UniversityYuhei Ogawa (author) (Search by this author)National Institute for Materials Science
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Kaneaki Tsuzaki (author) (Search by this author)National Institute for Materials Science
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Akinobu Shibata (author) (Search by this author)National Institute for Materials Science
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Hisao Matsunaga (author) (Search by this author)Kyushu University
- Keyword
- Hydrogen embrittlement, Martensitic steel, Fatigue crack growth, Thermo-mechanical treatment
- Date published
- 2025-01-11
- Updated at
- 2025-01-20 16:30:27 +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
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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
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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
Solid-solution hardening by hydrogen in Fe–Cr–Ni-based austenitic steel: Temperature and strain rate effects
- Journal article
- Creator
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Yuhei Ogawa (author) (Search by this author)National Institute for Materials Science
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;Osamu Takakuwa (author) (Search by this author)Kaneaki Tsuzaki (author) (Search by this author)National Institute for Materials Science
- Keyword
- Austenitic stainless steel, Hydrogen, Solid-solution hardening, Dislocations
- Date published
- 2023-06-10
- Updated at
- 2025-06-10 08:30:33 +0900