Fatigue Crack Propagation Experiment and Simulation on 7050 Aluminum Alloy

Abstract:

In this paper, an experiment of fatigue crack propagation in 7050 aluminum alloy was presented. Laser shock processing (LSP) is used to shock the crack surface. Compared with the specimen without LSP, the fatigue life after LSP increased greatly. The simulation of the fatigue crack growth in 7050 aluminum alloy is implemented in FRANC2D. Simulating result is in accordance with the result of the experiment well. Laser shock processing increases the fatigue life and reduce fatigue crack growth rate, it has good prospect on the study of crack arrestment.

• Periodical: Key Engineering Materials (Volume 464)
• Pages: 560-563
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.464.560
• Online since: January 2011
• Authors: Xu Dong Ren, Yong Zhuo Huangfu, Yong Kang Zhang, Da Wei Jiang, Tian Zhang
• Keywords: Fatigue Life, FRANC2D, Laser Shock Processing (LSP)

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