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比例超载对铝合金圆孔薄板试件低周拉-拉疲劳寿命的影响
李敏华; 毛天祥; 周爱华; 蒋怀庆
Source Publication力学学报
1993
Volume25Issue:4Pages:492-495
ISSN0459-1879
Abstract对铝合金圆孔薄板试件进行了超载和常辐的对比实验,取六种超载比,对每一超载比各进行了不同超载周次的实验,从这些实验结果看出,对每一超载比,超载试件的疲劳寿命和常辐疲劳试件的寿命比值先是随超载周数的增加而较快的增加,之后在一个相当大的超载周数范围内,超载寿命比的变化不大。当超载周数超过一定值时,超载寿命比随超载周数的增加而略有减少。本文的实验中,在超载60%的情况下,超载周数从20周到90周的范围内,超载试件的平均寿命比常辐疲劳试件的寿命约高3.5倍。
Keyword低周疲劳 超载疲劳 疲劳寿命
Language中文
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/35638
Collection力学所知识产出(1956-2008)
Corresponding Author李敏华
Recommended Citation
GB/T 7714
李敏华,毛天祥,周爱华,等. 比例超载对铝合金圆孔薄板试件低周拉-拉疲劳寿命的影响[J]. 力学学报,1993,25,4,:492-495.
APA 李敏华,毛天祥,周爱华,&蒋怀庆.(1993).比例超载对铝合金圆孔薄板试件低周拉-拉疲劳寿命的影响.力学学报,25(4),492-495.
MLA 李敏华,et al."比例超载对铝合金圆孔薄板试件低周拉-拉疲劳寿命的影响".力学学报 25.4(1993):492-495.
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