This paper deals with the synthesis of ultrafine diamond ( ufd ) under high pressure and high temperatures generated by negative oxygen balance explosive detonation . the mechanism of synthesis ultrafine diamond by detonation standpoint is presented 本文从理论和实验两个方面对利用负氧平衡炸药爆轰产生的游离碳，在高温、高压下相变为纳米金刚石( ultrafinediamond简称ufd )作了初步探索。
