Sintering and microstructural behaviour of SHS produced zirconium diboride powder with the addition of C and TiC

被引：41

作者：

Mishra, SK ^{[1
]}

Das, SK ^{[1
]}

机构：

[1] Natl Met Lab, Jamshedpur 831007, Bihar, India

来源：

MATERIALS LETTERS | 2005年 / 59卷 / 27期

关键词：

ZrB2; ceramics; SHS; high temperature material and sintering;

D O I：

10.1016/j.matlet.2005.06.015

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The addition of TiC (5-10 wt.%) and C (5 wt.%) was found to enhance the sinterability of SHS produced ZrB2 powder. The densification increased to 94% of the theoretical density with the addition of carbon and TiC. The oxygen impurities normally present on the surface of this diboride powder leads to exaggerated grain-growth during sintering and hinders densification. The addition of C and TiC reduced the surface oxide layer and resulted in improved densification. Less gain-growth was also observed during sintering. (C) 2005 Elsevier B.V. All rights reserved.

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页码：3467 / 3470

页数：4

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