Synthesis of polycrystalline diamond with new non-metallic catalyst under high pressure and high temperature

被引：19

作者：

Sumiya, H ^{[1
]}

Satoh, S ^{[1
]}

机构：

[1] Sumitomo Elect Ind Ltd, Itami Res Labs, Itami, Hyogo 6640016, Japan

来源：

INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS | 1999年 / 17卷 / 05期

关键词：

diamond; polycrystalline; high pressure; sintering; double oxide;

D O I：

10.1016/S0263-4368(99)00019-0

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Some oxide or double oxide compounds of iron family elements, such as FeTiO3, Fe2SiO4, Y3Fe5O12 and so on, were found to have a catalyst effect on the formation of diamond under high pressure and high temperature. They were also determined to act as an effective sintering agent for producing a polycrystalline diamond. By using Y3Fe5O12 as the sintering agent a homogeneous and strongly bonded polycrystalline diamond, having high hardness and superior heat resistance, was obtained even at 1850 degrees C. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：345 / 350

页数：6

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