Stress relaxation testing.The TSSR TSSR Total System Support Responsibility TSSR Tropo/Satellite Support Radio TSSR Turkmen Soviet Socialist Republic TSSR Tajik Soviet Socialist Republic (Tajikistan) TSSR tropospheric scatter (TROPO) meter measures the thermo-mechanical properties of elastomers and polymers subjected to a constant stress at a constantly rising temperature, according to according to prep. 1. As stated or indicated by; on the authority of: according to historians. 2. In keeping with: according to instructions. 3. this two-page bulletin. The anisothermal stress relaxation Stress relaxation describes how polymers relieve stress under constant strain. Because they are viscoelastic, polymers behave in a nonlinear, non-Hookean fashion.[1] test is said to be a new test method for characterizing the thermo-mechanical properties of elastomers and polymers. It consists of subjecting a test specimen to a constant tensile stress tensile stress See under axial stress. at a constantly rising temperature. The stress relaxation is measured as a function of time and is recorded and evaluated. The measuring data are said to supply reliable information about the phase morphology of the material tested. This instrument also allows assessment of the modification of polymers with various additives and determination of the properties of such modified substances, according to the literature. (C. W. Brabender Instruments) Circle 122 on card |
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