The Proceedings of the Materials and Mechanics Conference
Online ISSN : 2424-2845
2012
Session ID : OS1604
Conference information
OS1604 Improvement of Fatigue Property of Ti-6A-4V Alloy by Peening Treatment
Kiyotaka MASAKI, Noriyuki HISAMORI, Yuji SANO, Yuji KOBAYASHI, Daisuke GOWA
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Keywords: High Cycle Fatigue, Titanium alloy, Residual Stress, Surface roughness, Hardness Laser Peening, Shot Peening
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Abstract
In order to improve the high cycle rotating bending fatigue property of Ti-6Al-4V Titanium alloy, laser peening without coating and shot peening with zirconia shot were applied. As the result of investigating the relation between fatigue property, surface roughness and residual stress, it proposed that fatigue life property was improved by giving the mild compressive residual stress which was C-Type distribution without surface roughness increasing.
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© 2012 The Japan Society of Mechanical Engineers
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Proceedings of the 1992 Annual Meeting of JSME/MMD

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