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To explore the effect of physical aging on environmental stress cracking (ESC) behavior of polycarbonate (PC), sub-Tg annealing was utilized as a method for accelerated aging. Injection molded samples were annealed at 130 °C for different time varying up to 96 h. A three point bending apparatus was used to evaluate critical stress for crazing and to record the variation of stress with immersion time...
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