摘要：阐述了粉末硬团聚体的形成以及爆炸冲击粉碎法的原理 ,从理论上分析了冲击粉碎过程的能量消耗、冲击波相关系数的求算 ,以及冲击粉碎时粉体的运动速度与粉碎极限半径之间的关系

关键词：冲击粉碎;纳米硬团聚体;粉碎极限半径;

Abstract：The formation of harden nano-aggregation powder and the principle of impact crushing by shock wave are described． The energy consumption in the course of the impact crushing，the calculation of relative shock wave parameters and the relationship between the velocity of grains and its crushed limit radius are disscussed． 

Key words：impact crushing by shock wave；harden nano-aggre gation powder；crushed limit radi