High Temperature Chemical Degradation of PMR-15 Polymer Resins
Grant W. Robinson
Broschiertes Buch

High Temperature Chemical Degradation of PMR-15 Polymer Resins

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PMR-15 is a polymer resin for glass and carbon reinforced composites used for high temperature, civilian and military aerospace applications. The harsh environments of PMR-15 applications lead to long term structural degradation and, in turn, impact the readiness capabilities of the system. This study investigated the thermal and oxidative degradation of PMR-15 neat resin powder through the use of thermal gravimetric analysis (TGA) in oxygen, argon and air at isothermal hold temperatures of 260, 288, 316, and 343 -C for 250 hours. The TGA measured the degradation by recording the change in nea...