对灰铸铁进行爆炸冲击,发生石墨转变金刚石的高压相变。SEM,TEM和X射线衍射分析表明,金刚石为立方和六方两种相互共存的晶格结构,并具有严格的位向关系,常以织构形式存在。
A high shock pressure was brought to bear on the grey cast iron totransform its graphite into diamond. Observations under SEM and TEM as well asX-ray diffraction analysis show that the diamond is coexisting structure of cubicand hexagonal lattices, and has a strict crystal orientation.
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