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cai liao de jia gong ying hua dui duan lie de ying xiang
Author(s): 
Pages: 1-4+50
Year: Issue:  8
Journal: Ordnance Material Science and Engineering

Keyword:  加工硬化能力缺口试样试样尺寸均匀延伸率冲击功阻力曲线屈强比断面收缩率加工硬化指数裂纹扩展;
Abstract: 必须区分缺口试样和带裂纹试样中材料加工硬化能力对断裂的不同影响。前者因材料具有高的加工硬化能力使试样提前断裂,而后者则因材料具有高的加工硬化能力使裂纹扩展受阻或减缓。本文对这两种不同的影响给予了解释。
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