TY - JOUR
T1 - Researches on thermal decomposition kinetics of composite modified double-base propellants
AU - Tang, Zhan
AU - Ren, Yan
AU - Yang, Li
AU - Zhang, Tonglai
AU - Qiao, Xiaojing
AU - Zhang, Jianguo
AU - Zhou, Zunning
AU - Zhao, Fengqi
AU - Dang, Yongzhan
AU - Xu, Siyu
AU - Yi, Jianhua
PY - 2011/3
Y1 - 2011/3
N2 - The thermal decomposition kinetics of composite modified double-base (CMDB) propellants with a series of contents of hexogeon (RDX) was investigated by using parameters of Teo, Ti, Tp, Tf, Tb, Ta, E, lg A and ΔH, which were obtained from using a CDR-4P differential scanning calorimeter (DSC) and Perkin-Elmer Pyris 1 thermogravimetric analyzer (TG) analyses with heating rates of 5, 10, 15 and 20 K/min. Reliable activation energy was calculated using Flynn-Wall-Ozawa method before analyzing the thermal decomposition mechanism. TG-DTG curves were treated with Malek method in order to obtain the reaction mechanisms. The obtained results show that the thermal decomposition mechanisms with the conversion from 0.2 to 0.4 was f(α) 1/2α, and with the conversion from 0.5 to 0.7 was f(α)=(1/4)(1-α)[-ln(1-α)]-3.
AB - The thermal decomposition kinetics of composite modified double-base (CMDB) propellants with a series of contents of hexogeon (RDX) was investigated by using parameters of Teo, Ti, Tp, Tf, Tb, Ta, E, lg A and ΔH, which were obtained from using a CDR-4P differential scanning calorimeter (DSC) and Perkin-Elmer Pyris 1 thermogravimetric analyzer (TG) analyses with heating rates of 5, 10, 15 and 20 K/min. Reliable activation energy was calculated using Flynn-Wall-Ozawa method before analyzing the thermal decomposition mechanism. TG-DTG curves were treated with Malek method in order to obtain the reaction mechanisms. The obtained results show that the thermal decomposition mechanisms with the conversion from 0.2 to 0.4 was f(α) 1/2α, and with the conversion from 0.5 to 0.7 was f(α)=(1/4)(1-α)[-ln(1-α)]-3.
KW - DSC
KW - Decomposition machenism
KW - Malek method
KW - TG
KW - Thermal stability
UR - http://www.scopus.com/inward/record.url?scp=79953236570&partnerID=8YFLogxK
U2 - 10.1002/cjoc.201190096
DO - 10.1002/cjoc.201190096
M3 - Article
AN - SCOPUS:79953236570
SN - 1001-604X
VL - 29
SP - 411
EP - 414
JO - Chinese Journal of Chemistry
JF - Chinese Journal of Chemistry
IS - 3
ER -