A promising method for the analysis of notch effect on fatigue strength： Strain energy density approach

In recent years, the approach of strain energy density （SED） has received special attention in the analysis of notch effect on fatigue strength of notched components, e.g. ref. [1-3]. One of the fundamental contributions to SED-based approaches was by Sih [4,5] who proposed the SED factor S, which w...

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Bibliographic Details
Published in:Science China. Technological sciences 2016-10, Vol.59 (10), p.1617-1618
Main Authors: Sun, ChengQi, Hong, YouShi
Format: Article
Language:English
Subjects:
Engineering
News & Views
SED
临界距离
参考文献
密度法
应变能
强度影响
疲劳强度
缺口效应
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Summary:In recent years, the approach of strain energy density （SED） has received special attention in the analysis of notch effect on fatigue strength of notched components, e.g. ref. [1-3]. One of the fundamental contributions to SED-based approaches was by Sih [4,5] who proposed the SED factor S, which was defined as the product of the SED and a critical distance from the point of singularity. Thus, the failure is controlled by the critical value S~.
ISSN:1674-7321
1869-1900
DOI:10.1007/s11431-016-0658-y