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The Effect of Composite Propellant Thermal Decomposition Characteristics on it's Fracture Property

Peng Wangda Wong Wujun Cao chuanxin Zhang Ren (National University of Defense Technology,Changsha 410073)  
The effect of AP/HTPB Composite propellant thermal decomposition characteristics on initial change rate of fracture property during aging has been studied in this paper.The results show that initial change rate of fracture energy is inversely proportional to initial decomposition temperature,high temperature decomposition peak temperature and decomposition reaction activation energy at high and low temperature,but it is directly proportional to high and low temperature reaction rate constant.The linear regression accuracy of all these corresponding relation exceeds 0.98.
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