The mechanical property and resistance ability to atomic oxygen corrosion of boron modified carbon/carbon composites

被引：9

作者：

Chen Jie ^{[1
]}

Tian Cong ^{[2
]}

Luan Xin-Gang ^{[2
]}

Xiao Peng ^{[1
]}

Xiong Xiang ^{[1
]}

机构：

[1] Cent S Univ, State Key Lab Powder Met, Changsha 410083, Hunan, Peoples R China

[2] Northwestern Polytech Univ, Natl Key Lab Thermostruct Composite Mat, Xian 710072, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2014年 / 610卷

关键词：

Mechanical characterization; Composites; Banding; Interfaces; CARBON-FIBER; BEHAVIOR; MICROSTRUCTURE; POLYMERS;

D O I：

10.1016/j.msea.2014.05.040

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Before being densified by chemical vapor deposition, carbon preform was modified by boron. The mechanical property and resistance to atomic oxygen corrosion of carbon/carbon composites were investigated. The results show that fiber surface modification induces the deposition of high texture pyrocarbon and a moderate interfacial transition layer between carbon fibers and matrix carbon. After being modified by boron, the flexural and compressive strength of carbon/carbon composite is significantly increased. The bending curve has been adjusted with obvious pseudo-ductility phenomenon. The resistance ability to atomic oxygen corrosion is improved significantly. The mass loss and corrosion degree of the modified composite are lower than that of pure carbon/carbon composite. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：126 / 131

页数：6

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