爆炸纳米多晶金刚石之爆炸力学的创新理论与技术  

Innovative Theory and Technology of Explosion Mechanics of Explosion Nano Polycrystalline Diamond

作　　者：张凯 张路青 

机构地区：[1]中国大连凯峰超硬材料有限公司,辽宁大连116025

出　　处：《超硬材料工程》2015年第5期33-38,共6页Superhard Material Engineering

摘　　要：叙述了在研究和生产爆炸纳米多晶金刚石中必须要发展和应用的爆炸力学中诸多的创新理论与技术:药柱在水中爆炸时,轴对称一维的飞片飞行速度计算公式;新的击波通过二相粉末时的压力计算模型;击波通过有空隙率的二相粉末时的空隙分配理论;粉体空隙内残存空气在击波作用下发生的绝热压缩理论;飞片下空气在高速飞片飞行过程中不能向侧向排出,最终产生绝热压缩的理论;击波在粉体中的追赶理论;石墨通过爆炸相变为金刚石的新结构位置转变模型的诸问题。The following innovative theories and technologies of explosion mechanics which should be developed and adopted for the research and production of explosion nano poly-crystalline diamond have been discussed in this article：computational formula of flying speed of the one-dimensional axisymmetric flyer when the grain explodes in the water;pressure computation model of the new shock waves when they pass through the two-phase powders;space allocation theory when the shock waves pass through the two-phase powders with certain voidage;adiabatic compression theory formed by the effect of shock waves to the trapped air between the gap of powders;the air underneath the flyer can not be discharged from lateral during the high speed flying of flyer,hence adiabatic compres-sion is ultimately formed;theories of catching-up development of the shock waves in pow-ders;the new structural position change model of the phase change of graphite into dia-mond through explosion.

关 键 词：创新理论与技术 压力计算模型 空隙分配理论 绝热压缩理论 爆炸相变的新结构位置转变模型 

分 类 号：TQ163[化学工程—高温制品工业] O643.221[理学—物理化学]