Microstructure and creep of 2•5D Cf-SiC composites

被引：10

作者：

Boitier, G ^{[1
]}

Vicens, J ^{[1
]}

Chermant, JL ^{[1
]}

机构：

[1] Inst Sci Mat & Rayonnement, LERMAT, CNRS, URA 1317, F-14050 Caen, France

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 1998年 / 18卷 / 13期

关键词：

D O I：

10.1016/S0955-2219(98)00123-X

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Tensile creep tests have been performed on 2.5D C-f-SiC composites in parallel to a microstructural characterisation down to the nanometric scale. These ceramic matrix composites (CMCs) appear to be creep resistant when tested under argon (50 mbar), between 1273 and 1673 K, at 110 and 220 MPa. The nanostructure of the different phases involved in the as-received material has been determined via HREM. Microstructural changes and search for creep mechanism have been achieved by SEM. Different types of cracks have been evidenced, and the major role of the fibre/matrix interphase was demonstrated by HREM on tested samples. (C) 1998 Elsevier Science Limited All rights reserved.

引用

页码：1835 / 1843

页数：9

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