Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent
1979-03-28
1981-04-21
Goldstein, Herbert
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
73824, G01N 308
Patent
active
042625416
ABSTRACT:
A method of testing the aging properties of a rubber-based propellant by exposing a stressed sample of the rubber-based propellant to a controlled flow of air containing a carefully controlled concentration of ozone, and periodically measuring the physical properties.
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patent: 2709359 (1955-05-01), Koch et al.
patent: 2768068 (1956-10-01), Juve et al.
patent: 3582282 (1971-06-01), Kampf et al.
patent: 3868221 (1975-02-01), Howard et al.
Newton, "Mechanism of Exposure-Cracking of Rubber", in Journal of Rubber earch, vol. 14, 4/45, pp. 41-59.
Chemical Abstracts, vol. 841645LT, vol. 85125424C, vol. 85144408S, all 1976.
Branning A. L.
Goldstein Herbert
Sciascia R. S.
The United States of America as represented by the Secretary of
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