Modeling ablative behavior and thermal response of carbon/carbon composites

被引：28

作者：

Yin, Tiantian ^{[1
]}

Zhang, Zhongwei ^{[2
]}

Li, Xiaofeng ^{[1
]}

Feng, Xiang ^{[2
]}

Feng, Zhihai ^{[2
]}

Wang, Yu ^{[1
]}

He, Linghui ^{[1
]}

Gong, Xinglong ^{[1
]}

机构：

[1] Univ Sci & Technol China, Dept Modern Mech, CAS Key Lab Mech Behav & Design Mat, Hefei 230027, Peoples R China

[2] Aerosp Res Inst Mat & Proc Technol, Beijing 100076, Peoples R China

来源：

COMPUTATIONAL MATERIALS SCIENCE | 2014年 / 95卷

基金：

中国国家自然科学基金;

关键词：

Chemical ablation; Carbon/carbon composites; Altitude effect; Oxidation protection; CARBON-CARBON COMPOSITES; SOLID ROCKET MOTOR; HIGH-TEMPERATURE; C/C COMPOSITE; OXIDATION; RESISTANCE; FLOW;

D O I：

10.1016/j.commatsci.2014.07.013

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Carbon/carbon composites usually work in complex thermo-chemical environments, surface recession is thus inevitable due to chemical ablation and further affects the system stability and safety. In this paper, a model for chemical ablation of the materials which accounts for the effects of non-uniform temperature and pressure is proposed. As an application, the surface recession of a carbon/carbon composites leading edge structure are simulated in detail. The results show that the non-uniform distributed pressure plays an important role in the final ablation configuration. The effects of altitude and oxidation protection on the chemical ablation are discussed as well. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：35 / 40

页数：6

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