May 01, 2015 · Low-Temperature Degradation (LTD) was simulated in an autoclave (Sercon HS1-0300 n°1560389/1) at 134 °C, under 2 bar, over a period of 20 h. This accelerated aging protocol was chosen because Chevalier and collaborators ( Chevalier, 1999 ) observed that 20 h is enough time to promote an extensive transformation t→m (approximately 80%).
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