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本文介绍了我们从1970—1980年进行高温常压合成金刚石等超硬晶体研究工作的初步成果——在2000℃以上的高温、常压、及非真空和无外加保护气氛的条件下,在国内首次合成了0.243毫米至0.7毫米级颗粒的金刚石及0.4—0.5毫米级颗粒的AIB_(12)等超硬晶体。本研究从而为工程界及物理学界探讨金刚石等超硬晶体新的合成机理提供了可靠的依据及新的途径,本文也对这种金刚石合成的新机理进行了初步的探讨。
This paper presents the preliminary results of our research work on superhard crystals such as diamond synthesized at high temperature and pressure from 1970 to 1980.At the same time, under the conditions of high temperature and atmospheric pressure above 2000 ℃, non-vacuum and no protective atmosphere, The first synthesis of 0.243 mm to 0.7 mm particles of diamond and 0.4-0.5 mm particles of AIB_ (12) and other super-hard crystals. This study therefore provides a reliable basis and a new way for engineering and physics researchers to explore the new synthesis mechanism of diamond and other super-hard crystals. The paper also discusses the new mechanism of diamond synthesis.