Effect of interface types on the static and dynamic mechanical properties of 3D braided SiC/SiC composites after oxidation

被引：4

作者：

Jiang, Lijuan ^{[1
,2
]}

Zhou, Yinzhi ^{[1
]}

Hou, Jianhua ^{[3
]}

Wu, Baolin ^{[4
]}

Hou, Zhenhua ^{[4
,5
]}

Jin, Fengnian ^{[1
]}

机构：

[1] Army Engn Univ PLA, Coll Natl Def Engn, Nanjing 210007, Peoples R China

[2] Southeast Univ, Int Inst Urban Syst Engn, Nanjing 210096, Peoples R China

[3] Yangzhou Univ, Sch Environm Sci & Engn, Yangzhou 225000, Jiangsu, Peoples R China

[4] Jiangxi Xinda Hangke New Mat Technol Co Ltd, Nanchang 330096, Jiangxi, Peoples R China

[5] Nanchang Univ, Int Inst Mat Innovat, Nanchang 330031, Jiangxi, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2021年 / 47卷 / 10期

基金：

中国国家自然科学基金;

关键词：

SiC; Interface; Oxidation; Mechanical performance;

D O I：

10.1016/j.ceramint.2020.10.075

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：

For applications in thermal structure engineering, static and dynamic mechanical properties of 3D braided SiC/ SiC composites after oxidation were investigated and the effects of interface between fibers and matrix were revealed. The results showed that composites with combined (PyC + SiC) multilayer interface (denoted as K?C/ S) were superior to those with a single interlayer or without an interlayer. After oxidation, K?C/S showed the least weight changes, the highest flexure strength, small internal friction, and highest storage modulus. The outside SiC interface of K?C/S protected the PyC interface from further oxidation. Thus, K?C/S showed highly advantageous with regard to both static and dynamic properties after oxidation.

引用

页码：13301 / 13311

页数：11

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