火炸药学报2023，Vol.46Issue(2)：163-171,9.DOI:10.14077/j.issn.1007-7812.202206001
四种混合不同碳材料的FOX-7粉末激光点火:点火延迟实验与简化计算
Laser Ignition of Four Types of FOX-7 Powders Mixed with Different Carbon Materials:Experiments and Simplified Calculations of Ignition Delays
摘要
Abstract
The ignition experiments of four types of FOX-7 (1 ,1-diamino-2 ,2-dinitroethene) powders mixed with different carbon materials were carried out by a CO2 laser over a certain range of power density to study the trend of ignition delay times ,aiming at the relatively difficult ignition performance of FOX-7 hindering extensive applications .The calculations and a- nalysis of ignition delay times were conducted by two simplified ignition models to gain insight into the ignition mechanism and guide the ignition performance improvement of FOX-7 .It is experimentally observed that the ignition delay time of FOX-7 powder reduced to different extents due to the addition of carbon materials .Graphene and graphene oxide exhibit relatively strong promoting role in shortening the ignition delay time and graphite has a slight effect .The calculation results show that Model 1 is more suitable for effectively predicting the ignition delay time of FOX-7 powder than Model 2 .The mechanism anal- ysis indicates that the addition of graphene could efficiently improve the absorption of radiation energy by FOX-7 powder and reduce energy loss .The main ignition induced process of FOX-7 sample was intensively affected by the heat transfer properties under laser irradiation .关键词
物理化学/FOX-7/碳材料/激光点火/点火延迟/简化计算Key words
physical chemistry/FOX-7/carbon material/laser ignition/ignition delay/simplified calculation分类
军事科技引用本文复制引用
李恒,郝海霞,赵凤起,徐司雨,姜菡雨,裴庆,王长健,张蕊,张洋,马晓迅..四种混合不同碳材料的FOX-7粉末激光点火:点火延迟实验与简化计算[J].火炸药学报,2023,46(2):163-171,9.基金项目
National Natural Science Foundation of China(No.21473130 （）
No.52027809) （）
