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采用青田山口叶蜡石作为超高压高温合成金刚石的传压介质 ,分析了其主要化学成分和矿物组成。对青田山口叶蜡石粉压块粒度效应进行了研究 ,确定了该传压介质的粒度组成。超高压高温人造金刚石试验表明 ,青田山口叶蜡石的传压介质理想 ,金刚石合成效果较好。
Qingtian Yamaguchi pyrophyllite was used as the pressure transmission medium for ultra-high pressure and high temperature synthesis of diamond, and its main chemical composition and mineral composition were analyzed. The particle size effect of pyrite pellets in Qingtian mountain pass was studied, and the particle size distribution of the pressure transfer medium was determined. Ultrahigh pressure and high temperature synthetic diamond test shows that the pressure transmission medium of pyrite in Qingtian mountain pass is ideal and diamond synthesis effect is better.