IMR OpenIR
环境和缺口形状对LY12CZ铝合金疲劳短裂纹扩展的影响
常红; 王俭秋; 韩恩厚
2004-11-16
Conference Name第十二届全国疲劳与断裂学术会议
Source Publication机械强度
Conference Date2004-11-16
Conference Place厦门
Abstract  本文研究了不同环境下LY12CZ铝合金缺口短裂纹的扩展规律及缺口形状对短裂纹扩展规律的影响.相同△K水平下,短裂纹比长裂纹有更高的da/dN值,指出了尖缺口状态下,缺口根部塑性区尺寸很小,裂纹扩展主要受裂纹闭合影响;钝缺口状态下,缺口根部塑性区作用范围较大,裂纹扩展主要受其影响。
description.department中国科学院金属研究所,沈阳,110016
Keyword铝合金 腐蚀疲劳 短裂纹 缺口形状 裂纹闭合
Funding Organization中国腐蚀与防护学会;中国力学学会;中国航空学会;中国机械工程学会;中国金属学会;中国材料研究学会
Language中文
Document Type会议论文
Identifierhttp://ir.imr.ac.cn/handle/321006/70338
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
常红,王俭秋,韩恩厚. 环境和缺口形状对LY12CZ铝合金疲劳短裂纹扩展的影响[C],2004.
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