Diamond-Fe-Cu-Ni-Sn composite materials with predictable stable characteristics

被引：23
|
作者：
Mechnyk, V. A. [1 ]
机构：
[1] Ukrainian Natl Acad Sci, Bakul Inst Superhard Mat, Kiev, Ukraine
来源：
MATERIALS SCIENCE | 2013年 / 48卷 / 05期
关键词：
diamond; iron; copper; tin; transition zone; phase; composite; decarburization; activation energy; pressure; temperature; stress; structure;
D O I：
10.1007/s11003-013-9542-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A developed mathematical model and a complex of methods of physical materials science are used to establish the parameters of hot pressing of diamond-containing compositions for which these compositions improve their physicomechanical properties as compared with the composites produced by using the commercial technologies. It is shown that the mechanism of improvement of the structure of the diamond-matrix transition zone and the properties of diamond-51% Fe-32% Cu-9% Ni-8% Sn composites is reduced to the diffusion of carbon atoms formed in the course of graphitization of diamonds in the stage of free sintering of the compositions into the crystal lattice of alpha -Fe during their hot pressing under a pressure of a parts per thousand yen 200 DePD degrees for a parts per thousand yen 3 min.
引用
收藏
页码：591 / 600
页数：10
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