【摘 要】
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Critical temperature(Tb) of thermal explosion for energetic materials is estimated from Semenovs thermal explosion theory and the non-isothermal kinetic equatio
【机 构】
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Xi'an Modern Chemistry Research Institute,Department of Mathematics/Institute of Data Analysis and
论文部分内容阅读
Critical temperature(Tb) of thermal explosion for energetic materials is estimated from Semenovs thermal explosion theory and the non-isothermal kinetic equation dα/dt=A0exp(bT)[1+(T-T0)b]f(α) deduced via reasonable hypotheses, where T0 is the initial point of the deviation from the baseline of DSC curve. The final formula is (Tb-Te0){1+1/[1+( Tb-T00)b]}=1. We can easily obtain the initial temperature(T0i) and onset temperature(Tei) from the non-isothermal DSC curves, the values of T00 and Te0 from the equation T0i or ei=T00 or e0+α1βi+α2βi2+…+αL-2βiL-2, i=1,2,…,L, the value of b from the equation: ln[βi/(Tei-T0i)]=ln[A0/G(α)]+bTei, so as to calculate the value of Tb. The result obtained with this method coincides completely with the value of Tb obtained by Hu-Yang-Liang-Wu method.
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