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JSIR Vol.68(12) [December 2009] >

Title: Relaxation of compressive residual stress. Part 1: Relaxation of stage I
Authors: Zaroog, Omar Suliman
Ali, Aidy
Sahari, B B
Zahari, Rizal
Keywords: Residual stress
Residual stress relaxation
Shot peening
X-ray diffraction
Issue Date: Dec-2009
Publisher: CSIR
Abstract: In this study, 2024-T351 aluminum alloy specimens were shot peened into three shot peening intensities condition to induce compressive residual stresses (RSs). Fatigue test was performed for the first and second cyclic load. Initial RSs at initial condition and after first and second cycle of fatigue loading were measured using X-ray diffraction method. Relaxation for first cycle was found to reach over 40% of initial RS and it depended on load amplitude.
Page(s): 1035-1037
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Source:JSIR Vol.68(12) [December 2009]

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