Preparation and Performance Study of DAAF Insensitive Booster
- 摘要
|
- 图/表
|
- 访问统计
|
- 参考文献
|
- 相似文献
|
- 引证文献
|
- 资源附件
|
- 文章评论
摘要:为了优化DAAF的形貌及热稳定性，采用自组装技术在不同工艺条件下对DAAF进行细化，结果在温度为16℃、溶剂非溶剂比为1∶40、搅拌速度为150r/min条件下制备的DAAF呈球状且表面光滑，流散性好；采用Materials studio对DAAF和3种氟橡胶黏结剂之间的界面相互作用能进行模拟计算，确定F2602为包覆黏结剂。用水悬浮法制备DAAF基PBX炸药，相比原料DAAF，DAAF/F2602放热峰温有所延迟，平均活化能提高了3.59kJ/mol，热爆炸临界温度提高了8.15℃，其热稳定性有所提高且机械性能稳定，有望替代TATB成为不敏感传爆药中的主体炸药而广泛应用。
Abstract:In order to optimize the morphology and thermal stability of DAAF, self-assembly technology was used to refine DAAF under different process conditions, and as the temperature is 16℃, the ratio of solvent to nonsolvent is 1:40, and the stirring speed is 150r/min, the prepared DAAF has a spherical shape with a smooth surface and good flowability. The interface interaction energy between DAAF and three fluororubber adhesives was simulated and calculated by Materials studio, and adhesive F2602 was determined for coating. The DAAF-based PBX explosive was prepared by the water suspension method, compared to the raw material, its exothermic peak temperature is delayed. The average activation energy is increased by 3.59 kJ/mol and the critical temperature of thermal explosion is increased by 8.15℃, which indicated its thermal stability is increased, meanwhile, the mechanical sensitivity of DAAF/F2602 is low. The study show it can be expected to replace TATB as the main explosive in the insensitive booster.
var swiper = new Swiper('.swiper_xq', {
navigation: {
nextEl: '.swiper-button-next',
prevEl: '.swiper-button-prev',
},
});
$(function(){
$('img').bigic();
});
jQuery(".slideTxtBox").slide({ trigger: "click" });
