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1. General information on isothermal relaxation
The precautions to be taken when carrying out a relaxation test can be understood from the description of an ideal relaxation test: this test does not take into account the effect of the machine on the results of the relaxation test. The influence of the machine will be discussed later.
1.1 Ideal relaxation test
The test can be broken down into two stages (figure 1 ).
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General information on isothermal relaxation
Mechanisms of isothermal relaxation
References
Standardization
American society for testing and materials (ASTM)
- Test Methods for Stress Relaxation for materials and Structures - ASTM E328 - 2002
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