Characterization of Fe-Ni(C) nanocapsules synthesized by arc discharge in methane

被引：55

作者：

Dong, XL

Zhang, ZD

Jin, SR

Sun, WM

Zhao, XG

Li, ZJ

Chuang, YC

机构：

[1] Acad Sinica, Inst Met Res, Shenyang 110015, Peoples R China

[2] Shenyang Polytech Univ, Lab Ultrafine Particles, Shenyang 110023, Peoples R China

[3] Acad Sinica, Int Ctr Mat Phys, Shenyang 110015, Peoples R China

来源：

JOURNAL OF MATERIALS RESEARCH | 1999年 / 14卷 / 05期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1557/JMR.1999.0240

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ultrafine Fe-Ni(C) particles of various compositions were prepared by are discharge synthesis in a methane atmosphere. The particles were characterized by x-ray diffraction, transmission electron microscopy, energy disperse spectroscopy, chemical analysis, x-ray photoelectron spectroscopy, Mossbauer spectroscopy, and magnetization measurement. The carbon atoms solubilizing at interstitial sites in gamma-(Fe,Ni, C) solution particles have the effects of forming austenite structure and changing microstructures as well as magnetic properties. A carbon layer covers the surface of Fe-Ni(C) particles to form the nanocapsules and protect them from oxidization, The mechanism of forming Fe-Ni(C) nanocapsules in the methane atmosphere was analyzed.

引用

页码：1782 / 1790

页数：9

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