Establishment of Safety Evaluation Guide Considering Real Usage Environment in Materials Used for High Pressure Hydrogen Gas Containers of Fuel-cell Vehicle
Establishment of Safety Evaluation Guide Considering Real Usage Environment in Materials Used for High Pressure Hydrogen Gas Containers of Fuel-cell Vehicle
批准号:
23760681
负责人:
YAMADA Hiroyuki
金额:
$3.0万
依托单位国家:
日本
项目类别:
Grant-in-Aid for Young Scientists (B)
财政年份:
2011
资助国家:
日本
项目状态:
已结题
起止时间:
2011 至 2013
中文摘要
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英文摘要
The effect of pre-fatigue deformation in a high-humidity environment on the tensile impact properties of 7075 aluminum alloys was investigated. Within the author' s set of experiments, the flow stress was unaffected by the pre-fatigue deformation. On the otherhand, it was shown that the ductility of the pre-fatigue specimen was slightly lower than that of the non-fatigue specimen in the impact test. Additionally, the pre-fatigue specimen in a high-humidity environment had a lower ductility than in a low-humidity environment. It is thought that the decrease in ductility occurred due to changes in the microstructure, such as dislocations caused by the presence of hydrogen in the specimen due to pre-fatigue deformation in a high-humidity environment.
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疲労変形を与えた7075アルミニウム合金における水素集積の可視化
7075 铝合金疲劳变形过程中氢积累的可视化
DOI:
--
发表时间:
2012
期刊:
影响因子:
--
作者:
[鶴留正樹, 川崎將司, 浅野佳美, 山田浩之, 小笠原永久]
通讯作者:
小笠原永久
水素マイクロプリント法を用いた7075アルミニウム合金の疲労変形における水素放出の可視化
使用氢微打印方法可视化 7075 铝合金疲劳变形过程中的氢释放
DOI:
--
发表时间:
2012
期刊:
影响因子:
--
作者:
[山田浩之, 浅野佳美, 小笠原永久, 堀川敬太郎]
通讯作者:
堀川敬太郎
湿潤環境下疲労変形を与えた7075アルミニウム合金の微視組織観察
7075铝合金在潮湿环境下疲劳变形的显微组织观察
DOI:
--
发表时间:
2013
期刊:
影响因子:
--
作者:
[山田浩之, 鶴留正樹, 三浦信祐, 小笠原永久, 堀川敬太郎]
通讯作者:
堀川敬太郎
水素マイクロプリント法による金属材料中の水素放出の可視化
使用氢微印刷方法可视化金属材料中的氢释放
DOI:
--
发表时间:
2012
期刊:
影响因子:
--
作者:
[鶴留正樹, 山田浩之, 小笠原永久]
通讯作者:
小笠原永久
湿潤環境下で予疲労を受けた7075アルミニウム合金の衝撃引張特性
7075铝合金潮湿环境下预疲劳冲击拉伸性能
DOI:
--
发表时间:
2013
期刊:
影响因子:
--
作者:
[山田浩之, 鶴留正樹, 小笠原永久, 堀川敬太郎]
通讯作者:
堀川敬太郎
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