Blum W, Breutinger F (2002)
Publication Type: Journal article
Publication year: 2002
Book Volume: 93
Pages Range: 649-653
Journal Issue: 7
Conventional measurement of stress relaxation in tests with constant total (elastic plus inelastic plus thermal) strain requires high resolution and excellent control of strain and is perturbed by thermal fluctuations. A new method for measuring the stress relaxation behavior is presented which avoids these experimental problems. It is based on the fact that the stress relaxation behavior is fully contained in the relation between inelastic strain rate and stress at given mechanical strain. Consequently, it should be possible to measure stress relaxation in creep machines when stepwise unloading is performed such that the inelastic strain rate can be determined at constant mechanical strain. This is confirmed by tests on the Mg-base alloy AZ91.
APA:
Blum, W., & Breutinger, F. (2002). New method of determining stress relaxation behavior in creep machines by controlled unloading. International Journal of Materials Research, 93(7), 649-653. https://dx.doi.org/10.3139/ijmr-2002-0110
MLA:
Blum, Wolfgang, and Falk Breutinger. "New method of determining stress relaxation behavior in creep machines by controlled unloading." International Journal of Materials Research 93.7 (2002): 649-653.
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