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Fussy Assessment of Fatigue Strength of Spot-Welded Structures

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Abstract:

From the point of view of the objective and scientific design of spot-welded structures, each factor that influences the fatigue strength of the spot-welded structure is quantitatively analyzed using fuzzy mathematics. The weighing coefficient is calculated based on the contribution of each factor and their coupling relationship using DARE method. All the influencing factors are divided to two levels, and quantitative assessment result is obtained. Finally, the fatigue life curve of the spot-welded structure is predicted with the utilization of the fatigue life curve of a standard specimen made of the same material.

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Info:

Periodical:

Advanced Materials Research (Volumes 562-564)

Pages:

2030-2033

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.562-564.2030

Citation:

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Online since:

August 2012

Authors:

Yu Xin Yao, Chun Yuan Shi

Keywords:

DARE Method, Fatigue Strength, Fuzzy, Spot-Welded

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Сopyright:

© 2012 Trans Tech Publications Ltd. All Rights Reserved

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References

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