The change occurred in W/ZrC composite properties by using nano reactants

被引：15

作者：

Roosta, Mostafa ^{[1
]}

Baharvandi, Hamidreza ^{[2
]}

机构：

[1] Engn Res Inst, Tehran, Iran

[2] MUT Univ, Dept Mat Engn, Tehran, Iran

来源：

INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS | 2013年 / 37卷

关键词：

W/ZrC composite; Hot-pressing; Reaction sintering; Nano reactants; ELEVATED-TEMPERATURE STRENGTH; DISPLACIVE COMPENSATION; THERMOPHYSICAL PROPERTIES; MICROSTRUCTURE; DENSE;

D O I：

10.1016/j.ijrmhm.2012.10.012

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this article the effect of using nano reactants in the properties of W-ZrC composite fabricated by hot-press and reaction sintering has been evaluated. At first the W and ZrC powders were hot-pressed to produce W/ZrC composite and then the WC/ZrO2 and the WC/ZrSiO4 mixture were reaction sintered. The starting powders were selected in nano size to see the difference. In the case of using nano reactants the amount of unreacted and unwanted phases reduced and the reaction progressed better. Also the evaluated properties including density, hardness and modulus of elasticity are better in W/ZrC composite made by nano reactants. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：29 / 32

页数：4

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