Effects of different shocked paths on fatigue property of 7050-T7451 aluminum alloy during two-sided laser shock processing: Fid-Bau Portal

Effects of different shocked paths on fatigue property of 7050-T7451 aluminum alloy during two-sided laser shock processing

Zhang, L. / Lu, J.Z. / Zhang, Y.K. / Luo, K.Y. / Zhong, J.W. / Cui, C.Y. / Kong, D.J. / Guan, H.B. / Qian, X.M.

Abstract

Abstract The tensile samples manufactured by 7050 aluminum (Al) alloy were treated by different shocked paths during two-sided laser shock processing (LSP), and the samples were divided into two groups according to these different paths. The first group was treated by two paths, while the second group was treated by four paths. The fatigue tests were performed on a servo-hydraulic material testing machine system by using the stepped loading method named Locati. The fracture morphology was observed by scanning electron microscopy (SEM). Experimental results showed that the fatigue lives of the second group increased compared to those of the first group. The effects of different shocked paths on fracture morphology during two-sided LSP were discussed. Furthermore, the enhancement mechanism of different shocked paths on fatigue crack initiation and growth two-sided LSP was also addressed during.

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Effects of different shocked paths on fatigue property of 7050-T7451 aluminum alloy during two-sided laser shock processing

Zhang, L. / Lu, J.Z. / Zhang, Y.K. / Luo, K.Y. / Zhong, J.W. / Cui, C.Y. / Kong, D.J. / Guan, H.B. / Qian, X.M.

Abstract

Effects of different shocked paths on fatigue property of 7050-T7451 aluminum alloy during two-sided laser shock processing

Zhang, L. / Lu, J.Z. / Zhang, Y.K. / Luo, K.Y. / Zhong, J.W. / Cui, C.Y. / Kong, D.J. / Guan, H.B. / Qian, X.M.

Abstract

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Title:

Effects of different shocked paths on fatigue property of 7050-T7451 aluminum alloy during two-sided laser shock processing

Contributors:

Zhang, L. (author) / Lu, J.Z. (author) / Zhang, Y.K. (author) / Luo, K.Y. (author) / Zhong, J.W. (author) / Cui, C.Y. (author) / Kong, D.J. (author) / Guan, H.B. (author) / Qian, X.M. (author)

Publication date:

2010-08-23

Size:

7 pages

ISSN:

0261-3069

DOI:

https://doi.org/10.1016/j.matdes.2010.08.039

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

A. Ferrous metals and alloys , C. Lasers , F. Microstructure , Laser shock processing , 7050 Aluminum alloy , Stepped loading method , Fracture morphology

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