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Residual stress measurements on a metal matrix composite using the contour method with brittle fracture

Araujo de Oliveira, Jeferson; Fitzpatrick, Michael E. and Kowal, Jan (2014). Residual stress measurements on a metal matrix composite using the contour method with brittle fracture. In: Advanced Materials Research, Trans Tech Publications, 996 pp. 349–354.

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DOI (Digital Object Identifier) Link: https://doi.org/10.4028/www.scientific.net/AMR.996.349
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Abstract

In this work we evaluate the application of the contour method to fatigue and fracture surfaces. Residual stress measurements were made on quenched and aged AA2124-SiCp composite using neutron diffraction, the contour method with wire EDM, and the contour method on a fatigue crack surface including brittle failure. The contour method successfully measured residual stresses from a wire electro-discharge cut surface, but the fracture method results suggest that residual stress information is lost due to plasticity during fatigue crack growth.

Item Type: Conference or Workshop Item
Copyright Holders: 2014 Trans Tech Publications
ISSN: 1022-6680
Project Funding Details:
Funded Project NameProject IDFunding Body
Not SetNot SetLloyds Register Foundation
Keywords: brittle fracture surface method; fatigue crack; contour method; neutron diffraction
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
Faculty of Science, Technology, Engineering and Mathematics (STEM)
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Item ID: 41389
Depositing User: Jeferson de Oliveira
Date Deposited: 24 Nov 2014 09:55
Last Modified: 02 Nov 2017 15:06
URI: http://oro.open.ac.uk/id/eprint/41389
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