Mechanics Research Communications, Vol. 12, No.1, pp. 11-18, 1985.

Aging of Thermoplastics

M. Pecht


Most of the currently used thermoplastics take years to age to a degree where an undesirable amount of material property degradation occurs.  To reduce the time and cost of experimental tests, accelerated material aging tests are often performed. This paper examines the mechanical response of two novel thermoplastics subjected to accelerated aging conditions.  Tensile, hardness and impact tests were conducted to determine the effect of treatment period on mechanical properties.  A mathematical model is of introduced to describe the stress-strain data as a function of accelerated environmental testing...(con't.)

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