Study on Fatigue Crack Propagation at Negative Stress Ratio in 2A12 Aluminum Alloy

Shi Gang Bai; Jia Zhen Zhang; Y. Sha

doi:10.4028/www.scientific.net/AMR.335-336.809

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 335-336Study on Fatigue Crack Propagation at Negative...

Study on Fatigue Crack Propagation at Negative Stress Ratio in 2A12 Aluminum Alloy

Abstract:

This paper intends to get compressive loading effect on fatigue crack growth of 2A12 aluminum alloy. The fatigue crack propagation tests at negative stress ratio R=-0.5, -1and -2 were made in different applied compressive loading. The result showed that the effect of the compressive loading part of the applied stress cycle on fatigue crack growth rate in 2A12 aluminum alloy at negative stress ratio can not be omitted.

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Periodical:

Advanced Materials Research (Volumes 335-336)

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809-812

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.335-336.809

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Online since:

September 2011

Authors:

Shi Gang Bai, Jia Zhen Zhang, Y. Sha

Keywords:

Aluminium Alloy, Fatigue Crack Propagation, Finite Element Analysis (FEA), Negative Stress Ratio

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