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Title: Effect of Shot Peening on Fatigue Strength of Titanium Alloy
Author: T. Hanyuda, S. Nakamura, T. Endo, H. Shimizu
Source: Conf Proc: ICSP-5, (p.116-125)
Publication year 1993
Document number: 1993065
Number of pages: 9
Abstract:
It is well known that the fatigue strength of titanium alloys can be improved by shot peening. this study is aimed at optimizing the peening media and peening conditions to
improve the high cycle fatigue strength of the a-B type Ti-3A1-2V alloy components with lamellar microstructures and chemically polished surfaces. Stainless steel beads
were selected as the most suitable peening media because of the relatively smooth peened surface compared to glass beads and steel beads. Rotating bending fatigue tests were
done for specimens peened with stainless steel beads at various peening intensities. The maximum fatigue strength was acheived at the optimum Almen intensity of
approximately 0.2 mmN.
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