中国激光, 1999, 26 (11): 1007, 网络出版: 2006-08-09   

酚醛树脂对B/KNO3点火药的激光点火特性的影响

Effect of Phenolic Resin on Laser Ignition of B/KNO3
作者单位
南京理工大学化工学院,南京 210094
摘要
用光声-光电测试法,EMS方法和DSC热分析方法研究酚醛树脂对B/KNO3点火药的激光点火特性的影响。研究结果表明,在一定的入射激光能量下,当有酚醛树脂时,B/KNO3体系点火药的点火延迟期缩短,光声信号也减小,酚醛树脂的作用在于抑制样品的能量和物质量向环境流失。样品表面激光烧蚀斑的电子显微照相表明有无酚醛树酯,药剂的烧蚀情况无明显的差异,激光在药剂表面形成多个点火中心。
Abstract
The effect of phenolic resin on laser ignition of B/KNO3 was studied by detecting the delay time of ignition of a composite, and by means of EMS and DSC as wel1. It was shown that the igniting delay time and the strength of the photoacoustic signal of B/KNO_3 with phenolic resin are smaller than those without phenolic resin at certain laser energy. Phenolic resin prevents the energy and the mass transfering to environment.According to the analysis of the ablated spots by EMS, the difference between B/KNO3 and B/KNO3/phenolic resin is small. A lot of ignition centers are formed at the surface of the composite by the incident laser.

叶迎华, 沈瑞琪, 戴实之. 酚醛树脂对B/KNO3点火药的激光点火特性的影响[J]. 中国激光, 1999, 26(11): 1007. 叶迎华, 沈瑞琪, 戴实之. Effect of Phenolic Resin on Laser Ignition of B/KNO3[J]. Chinese Journal of Lasers, 1999, 26(11): 1007.

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