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通过扫描电镜、透射电镜、光学金相等手段对LY12CZ铝合金疲劳短裂纹的微观机制进行了分析研究,结果表明,材料的微观组织对短裂纹扩展行为有很大影响.

参考文献

[1] 洪友士 等.疲劳裂纹萌生及扩展的细观过程和理论力[J].力学进展,1993,23:468-485.
[2] J.C.Newman .Fastran-Ⅱ-A Fatigue Crack Growth Structural Analysis rogram[R].NASA Technical Memorandum 104159,1992.
[3] J. Pearson .Inition of fatigue crack in commercial aluminium alloys and the subsequent propagation of very short crack[J].Engineering Fracture Mechanics,1975,7(02):235-247.
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[5] A. F. Blom;A. Hedlund;W. Zhao;A. Fathulla, B. Weiss, R. Stckler.Presented Symposium on the Behaviour of Short Fatigue Cracks[C].,1985:871-879.
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[7] W. L. Morris .[J].Metallurgical and Materials Transactions,1980,11A:1117-1124.
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