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HomeMaterials Science ForumMaterials Science Forum Vols. 638-642Residual Stress Depth-Profiling in Shot-Peened Al...

Residual Stress Depth-Profiling in Shot-Peened Al Alloy Components Subjected to Fatigue Testing

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Abstract:

The residual stress profile in a shot-peened Al alloy component was studied by a recently proposed method based on the known procedure of progressive thinning and X-ray Diffraction measurements. The effect the cyclic stress on the fatigue life was studied in detail, showing the correlation between nominal load and residual stress relaxation. Besides showing the expected decrease of compressive stress with the load and number of cycles, the present work highlights the importance of changes in the through-the-thickness residual stress distribution.

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THERMEC 2009

Info:

Periodical:

Materials Science Forum (Volumes 638-642)

Pages:

2464-2469

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.638-642.2464

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Cite this paper

Online since:

January 2010

Authors:

Cristy Leonor Azanza Ricardo, G. Degan, M. Bandini, Paolo Scardi

Keywords:

Cyclic Fatigue, Residual Stress, Shot Peening, X-Ray Diffraction (XRD), X-Ray Residual Stress Analysis

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