Accelerated Life Testing and Aging
Accelerated life testing and aging methodologies are increasingly being used to generate engineering data for determining material property degradation and service life (or fitness for purpose) of plastic materials for hostile service conditions. This article presents an overview of accelerated life testing and aging of unreinforced and fiber-reinforced plastic materials for assessing long-term material properties and life expectancy in hostile service environments. It considers various environmental factors, such as temperature, humidity, pressure, weathering, liquid chemicals (i.e., alkalis and acids), ionizing radiation, and biological degradation, along with the combined effects of mechanical stress, temperature, and moisture (including environmental stress corrosion). The article also includes information on the use of accelerated testing for predicting material property degradation and long-term performance.
William R. Broughton, Antony S. Maxwell, Accelerated Life Testing and Aging, Characterization and Failure Analysis of Plastics, Vol 11B, ASM Handbook, Edited By Todd J. Menna, ASM International, 2022, p 1–11, https://doi.org/10.31399/asm.hb.v11B.a0006909
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