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Study on the Experiment Laser Cladding and Shock Processing TC4 Titanium Alloy

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Abstract:

In order to study the application of laser cladding and laser shock processing (LSP) combinatorial treatment technology, the laser cladding samples of TC4 titanium alloy was shocked by pulse laser, then the surface residual stress, the fatigue life were compared with those without LSP in this paper. High cycle tension-compression fatigue tests were carried out in laser cladding titanium alloy before and after LSP treated. The results indicate that LSP treatment can improve the high cycle fatigue endurance limit of laser cladding titanium alloy effectively. The nano-crystal grained surface layer with residual compressive stress makes great contributions to the improvement in fatigue properties of titanium alloy.

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Periodical:

Advanced Materials Research (Volumes 538-541)

Pages:

1823-1827

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.538-541.1823

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Online since:

June 2012

Authors:

Cheng Wang, Lei Zhou, Zhi Lin Lai, Zhi Bin An, Liu Cheng Zhou

Keywords:

High Cycle Fatigue Properties, Laser Cladding, Laser Shock Processing, Titanium Alloy

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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