FORMATION OF METASTABLE PHASES OF NI-C AND CO-C SYSTEMS BY MECHANICAL ALLOYING

被引：84

作者：

TANAKA, T ^{[1
]}

ISHIHARA, KN ^{[1
]}

SHINGU, PH ^{[1
]}

机构：

[1] KYOTO UNIV,DEPT MET SCI & TECHNOL,KYOTO 60601,JAPAN

来源：

METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 1992年 / 23卷 / 09期

关键词：

D O I：

10.1007/BF02658046

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Mechanical alloying (MA) of nickel and graphite powders was performed in the composition range Ni1-xCx (x = 0.10 to 0.90) by use of a conventional ball mill. The structure of mechanically alloyed samples was examined by X-ray diffraction, transmission electron microscopy (TEM), scanning electron microscopy (SEM), and differential scanning calorimetry. A remarkable supersaturation of carbon in face-centered cubic (fcc) nickel phase was observed. A metastable phase Ni3C was formed by a prolonged MA treatment. For the purpose of comparative study, MA of cobalt and graphite powders was also performed in composition Co1-xCx (x = 0.10, 0.15, and 0.30). The supersaturation of carbon in fcc cobalt and formation of a metastable carbide Co3C were confirmed.

引用

页码：2431 / 2435

页数：5

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