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材料工程  2010 

孔洞对铸造铝合金疲劳性能的影响

, PP. 92-96

Keywords: 孔洞,铸造铝合金,疲劳,寿命模型

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Abstract:

研究了铸造铝合金中孔洞在裂纹萌生、扩展过程中发挥的作用,孔洞的尺寸、体积分数、分布位置、形貌率等因素对材料的疲劳性能有重要影响。从试验现象和疲劳寿命模型两个方面综述了国内外学者研究的最新进展,指出了应力-寿命模型与线弹性断裂模型之间的内在联系,并讨论了存在的问题及研究方向。

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