Fatigue life evaluation of welded joints under combined normal and shear stress cycles

被引：20
|
作者：
Kim, IT
Yamada, K
机构：
[1] Nagoya Univ, Dept Civil Engn, Chikusa Ku, Nagoya, Aichi 4648603, Japan
[2] Nagoya Univ, Div Environm Engn & Architecture, Chikusa Ku, Nagoya, Aichi 4648603, Japan
来源：
INTERNATIONAL JOURNAL OF FATIGUE | 2005年 / 27卷 / 06期
关键词：
fatigue; welded joint; combined normal and shear stress; fatigue life evaluation;
D O I：
10.1016/j.ijfatigue.2004.10.005
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper discusses methods for evaluating the fatigue life when combined normal and shear stresses are applied in phase simultaneously. The conventional fatigue design procedures based on maximum principal or normal stress ranges are reviewed using published data. This indicates that the fatigue life may be under- or overestimated by the procedures, when the shear-to-normal-stress ratio range is close to 1.0. A proposed alternative procedure, based on the equivalent stress range and the fatigue life for a normal stress range, produces a much more appropriate evaluation of the fatigue life for combined stress ranges, independent of the ratio. (c) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：695 / 701
页数：7
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