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David Asquith
Researcher at Sheffield Hallam University
Publications - 13
Citations - 338
David Asquith is an academic researcher from Sheffield Hallam University. The author has contributed to research in topics: Residual stress & Shot peening. The author has an hindex of 6, co-authored 13 publications receiving 298 citations. Previous affiliations of David Asquith include University of Sheffield & National University of Defense Technology.
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Journal ArticleDOI
Residual stresses and fatigue performance
M.N. James,Darren J. Hughes,Zhe Chen,H. Lombard,D.G. Hattingh,David Asquith,John R. Yates,P.J. Webster +7 more
TL;DR: In this article, the residual stress profiles in aluminum and steel welds, and in shot peened aluminium, obtained via synchrotron and neutron diffraction at the ESRF-ILL in Grenoble, were presented.
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Effect of combined shot-peening and PEO treatment on fatigue life of 2024 Al alloy
TL;DR: In this article, a combination of shot-peening pre-treatment with plasma electrolytic oxidation coating is studied as a means to improve the fatigue performance of 2024 T351 Al alloy, which was carried out in a compressed air configuration using S110 gauge shot at 200% coverage with an intensity of 20 AlmenC.
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The effect of combined shot-peening and PEO treatment on the corrosion performance of 2024 Al alloy
TL;DR: In this paper, a duplex treatment combining mechanical cold-work with a hard surface layer has been demonstrated to significantly improve the fatigue resistance compared to the results for a hard coating alone.
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Evaluation of Residual Stress Development at the Interface of Plasma Electrolytically Oxidized and Cold-Worked Aluminum
TL;DR: In this article, three-dimensional strain fields in an aluminum alloy with combined cold work and PEO coating have been measured and mechanisms for stress redistribution presented, which include material consumption, expansive growth of oxide layers, and local annealing.
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The interaction of fatigue cracks with a residual stress field using thermoelastic stress analysis and synchrotron X-ray diffraction experiments.
TL;DR: It was found that the application of single compressive overload caused a relaxation, or reduction in the residual stresses, which has wider implications for improving the fatigue life.