Miniature bulge test and energy release rate in HIPed aluminum/aluminum interfacial fracture

This paper summarizes the development of a technique of using miniature bulge test combined with three-dimensional digital image correlation (3D-DIC) for measuring energy release rate or fracture toughness of bimaterial interface of thin metal foils. The energy release rate associated with the HIPed...

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Bibliographic Details
Published in:Journal of the mechanics and physics of solids 2018-11, Vol.120, p.179-198
Main Authors: Liu, C., Lovato, M.L., Clarke, K.D., Alexander, D.J., Blumenthal, W.R.
Format: Article
Language:English
Subjects:
3D-DIC
Aluminum
Bulge test
Correlation analysis
Digital imaging
Energy measurement
Energy release rate
Foils
Fracture toughness
Interfacial energy release rate
MATERIALS SCIENCE
Thin metal foils
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Summary:This paper summarizes the development of a technique of using miniature bulge test combined with three-dimensional digital image correlation (3D-DIC) for measuring energy release rate or fracture toughness of bimaterial interface of thin metal foils. The energy release rate associated with the HIPed aluminum/aluminum interfacial delamination is determined experimentally using the proposed technique. Detailed discussions of the schemes of preparing and conducting the bulge test, and computing various quantities required for the determination of the energy release rate are presented.
ISSN:0022-5096
1873-4782
DOI:10.1016/j.jmps.2017.10.006