Combustion synthesis of VC/Fe composites under the action of an electric field

被引：19

作者：

Feng, Keqin ^{[1
,2
]}

Hong, Mei ^{[2
]}

Yang, Yi ^{[1
]}

Wang, Wenjuan ^{[1
]}

机构：

[1] Sichuan Univ, Sch Mfg Sci & Engn, Chengdu 610065, Sichuan, Peoples R China

[2] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA

来源：

INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS | 2009年 / 27卷 / 05期

基金：

中国博士后科学基金;

关键词：

VC/Fe composite; Combustion synthesis; Electric field; Microstructure; FABRICATION; BINARY; VC;

D O I：

10.1016/j.ijrmhm.2009.04.001

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Composites of VC/Fe have been synthesized from reactant mixtures of graphite, iron, and ferrovanadium by a field-assisted combustion synthesis method in a Gleeble thermal simulation instrument. With the aid of a high electric current, a relatively low onset temperature for the combustion reaction, between 691 degrees C and 813 degrees C, could be achieved. The ignition temperature and ignition delay time of the reaction decreased with the increase of the reactant V content and the preset heating rate of the process, and the decrease of ferrovanadium particle size. These technologic parameters also affected the final phase and grain size of vanadium carbide particles in the products. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：852 / 857

页数：6

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