参考了前人对粉末高温合金低周疲劳的研究成果, 回顾了基于缺陷的裂纹萌生和扩展的研究情况, 介绍了针对粉末高温合金的喷丸强化机理和作用, 总结了几种寿命模型, 其中修正Mitchell模型最适合粉末高温合金的寿命预测; 得出了需加强粉末高温合金低周疲劳寿命模型及喷丸强化研究的结论。
所属栏目
航空科学基金资助项目(2009ZF21011)
收稿日期
2011/8/21
作者单位
林涛:中国航空工业集团公司 北京航空材料研究院 失效中心, 北京 100095
何玉怀:中国航空工业集团公司 北京航空材料研究院 失效中心, 北京 100095
备注
林涛(1987-), 男, 硕士研究生。
引用该论文:
LIN Tao,HE Yu-huai.Research Progress on Low Cycle Fatigue of Powder Metallurgy High Temperature Alloys[J].Physical Testing and Chemical Analysis part A:Physical Testing,2011,47(11):697～701
林涛,何玉怀.粉末高温合金的低周疲劳研究进展[J].理化检验－物理分册,2011,47(11):697～701
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