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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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氢在面心立方金属裂纹尖端变形过程中的作用
, PP. 44-48
Keywords: 裂尖变形,应变场,氢致开裂
Abstract:
选用高纯度Ni单晶体,利用扫描电镜原位拉伸,观察了充氢后Ni单晶裂纹尖端的变形过程。发现氢的存在不改变在混合型载荷作用下,裂纹尖端的塑性变形特征。用网格法加计算机处理系统,测出氢显著促进裂纹尖端区域内的局部塑性变形。
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