Evaluation of Residual Stress Development at the Interface of Plasma Electrolytically Oxidized and Cold-Worked Aluminum

ASQUITH, David, YEROKHIN, Aleksey, JAMES, Neil, YATES, John and MATTHEWS, Allan (2013). Evaluation of Residual Stress Development at the Interface of Plasma Electrolytically Oxidized and Cold-Worked Aluminum. Metallurgical and Materials Transactions. A.,Physical Metallurgy and Materials Science, 44 (10), 4461-4465.

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Abstract

Fatigue failure in hard oxide-coated aluminum is usually driven by rapid short crack propagation from the interface through the substrate; mitigation of this is possible by introducing interfacial compressive stresses. Combining cold work with hard oxide coating can improve their performance under conditions of simultaneous wear, corrosion, and fatigue. Three-dimensional strain fields in an aluminum alloy with combined cold work and PEO coating have been measured and mechanisms for stress redistribution presented. These comprise material consumption, expansive growth of oxide layers, and local annealing.

Item Type:	Article
Departments - Does NOT include content added after October 2018:	Faculty of Science, Technology and Arts > Department of Engineering and Mathematics
Identification Number:	https://doi.org/10.1007/s11661-013-1854-0
Page Range:	4461-4465
Depositing User:	David Asquith
Date Deposited:	26 Apr 2017 11:39
Last Modified:	18 Mar 2021 18:30
URI:	https://shura.shu.ac.uk/id/eprint/11288

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