Fabrication of Cf/ZrC composites by infiltrating Cf/C performs with Zr-Cu alloys

被引：23

作者：

Zhu, Yulin ^{[1
]}

Wang, Song ^{[1
]}

Chen, Hongmei ^{[1
,2
]}

Li, Wei ^{[1
]}

Jiang, Jinming ^{[1
]}

Chen, Zhaohui ^{[1
]}

机构：

[1] Natl Univ Def Technol, Sci & Technol Adv Ceram Fibers & Composites Lab, Changsha 410073, Hunan, Peoples R China

[2] Hunan Int Econ Univ, Dept Mech Engn, Changsha 410205, Hunan, Peoples R China

来源：

MATERIALS LETTERS | 2013年 / 108卷

基金：

中国国家自然科学基金;

关键词：

Composites; Zirconium carbide; Intermetallic compound; Microstructure; Crystal growth; REACTIVE MELT INFILTRATION; MICROSTRUCTURE; CERAMICS;

D O I：

10.1016/j.matlet.2013.06.111

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Carbon fiber-reinforced zirconium carbide matrix (C-f/ZrC) composites were fabricated at 1200 degrees C, by vacuum infiltrating C-f/C performs with molten Zr7Cu10, ZrCu and Zr2Cu intermetallic compound respectively. The influences of Cu contents in the infiltrators on composition, microstructure and ablation resistance of the final composites were investigated. Results showed that: the products were composed of either single- or polycrystalline ZrC, C and Cu. With the increasing Cu content in the infiltrators, both the growth and crystallization of ZrC grains were inhibited, and the yield of ZrC decreased from 43.7 vol% to 27.9 vol%. Tested by an oxyacetylene torch, the composites show excellent anti-ablation properties affected apparently by the Cu contents. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：204 / 207

页数：4

共 14 条

[1] Effect of heating rate on densification, microstructure and strength of spark plasma sintered ZrB2-based ceramics [J].