考虑湿热老化的复合材料机匣包容性试验与数值分析

郑竟波; 张颖; 姜文龙; 韦林; 迟雪; 伊文昭; 刘璐璐; 陈伟

doi:10.21656/1000-0887.450289

考虑湿热老化的复合材料机匣包容性试验与数值分析

doi: 10.21656/1000-0887.450289

郑竟波¹,
张颖¹,
姜文龙¹,
韦林²,
迟雪³,
伊文昭¹,
刘璐璐^1, ,,
陈伟¹

1. 南京航空航天大学能源与动力学院航空发动机热环境与热结构工业和信息化部重点实验室，南京 210016;
2. 中国航发四川燃气涡轮研究院，成都 610599;
3. 扬州平航航空动力技术有限公司，江苏扬州 225100

基金项目:

国家自然科学基金（52375150）；中央高校基本科研业务费(NC2022001)

详细信息

作者简介:
郑竟波（2000—），女，硕士生(E-mail: 947222529@qq.com);刘璐璐（1988—），女，研究员，教授，博士（通讯作者. E-mail: liululu@nuaa.edu.cn）.

通讯作者:
刘璐璐（1988—），女，研究员，教授，博士（通讯作者. E-mail: liululu@nuaa.edu.cn）.

中图分类号: O313
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出版历程
- 收稿日期: 2024-10-28
- 修回日期: 2024-11-23
- 网络出版日期: 2025-05-30

Tests and Numerical Analyses of the Composite Casing Containment Under Hydrothermal Environment

1. Aero-Engine Thermal Environment and Structure Key Laboratory of Ministry of Industry and Information Technology, College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P.R.China;
2. AECC Sichuan Gas Turbine Establishment, Chengdu 610599, P.R.China;
3. Yangzhou Pinghang Aviation Power Technology Co., Ltd., Yangzhou, Jiangsu 225100, P.R.China

Funds:

The National Science Foundation of China(52375150)

摘要

摘要: 为获得碳纤维增强树脂基复合材料（CFRP）机匣在服役环境下的包容特性，对其分别进行了湿热老化前后的两次高速冲击弹道试验，并建立了对应的机匣吸湿率分区湿热试验仿真模型与有限元高速冲击数值仿真分析模型.结果表明：湿热老化作用对于CFRP机匣的抗冲击能力及能量吸收能力均有显著影响.在高速冲击下，未湿热老化机匣的抗冲击能力及能量吸收能力优于湿热老化机匣.高速冲击下，CFRP机匣的损伤形式主要以纤维和基体的拉伸失效为主，伴随着一定数量的纤维压溃和面内剪切失效，压缩失效基本没有出现，损伤出现在冲击区域附近，并沿机匣轴向与周向扩展.此外，吸湿层的基体拉伸失效面积显著大于未老化层的基体拉伸失效面积，验证了湿热老化作用下基体力学性能的退化.
- 航空发动机 /
- 抗冲击特性 /
- 复合材料机匣 /
- 湿热老化 /
- 弹道试验
Abstract: To obtain the inclusion characteristics of carbon fiber resin matrix composite casing in service environment, 2 high-speed impact ballistic tests were conducted before and after hygrothermal treatment, and the corresponding simulation model for the casing hygroscopicity partition hygrothermal test simulation model along with the finite element high-speed impact numerical simulation-analysis model, was established. The results show that, the hygrothermal treatment has significant effects on the impact resistance and energy absorption capacity of the carbon fiber resin matrix composite casing. Under the high-speed impact, the impact resistance and energy absorption capacity of the casing without hygrothermal treatment are better than those of the casing with hygrothermal treatment. The damage form of the casing under high-speed impact is dominated by the tensile failure of fiber and matrix, accompanied by a certain amount of fiber crush and in-plane shear failure, with little or no compression failure observed. The damage occurs in the vicinity of the impact area, and extends along the axial and circumferential direction of the casing. In addition, the tensile failure area of the matrix of the hygrothermally treated layer is significantly larger than that of the matrix of the untreated layer, which verifies the degradation of the mechanical properties of the matrix after hygrothermal treatment.
- aero-engine /
- impact behavior /
- composite casing /
- hygrothermal treatment /
- ballistic impact test

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参考文献(22)

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考虑湿热老化的复合材料机匣包容性试验与数值分析

doi: 10.21656/1000-0887.450289

作者简介:
郑竟波（2000—），女，硕士生(E-mail: 947222529@qq.com);刘璐璐（1988—），女，研究员，教授，博士（通讯作者. E-mail: liululu@nuaa.edu.cn）.

通讯作者:
刘璐璐（1988—），女，研究员，教授，博士（通讯作者. E-mail: liululu@nuaa.edu.cn）.

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Tests and Numerical Analyses of the Composite Casing Containment Under Hydrothermal Environment

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留言板

考虑湿热老化的复合材料机匣包容性试验与数值分析

doi: 10.21656/1000-0887.450289

作者简介: 郑竟波（2000—），女，硕士生(E-mail: 947222529@qq.com);刘璐璐（1988—），女，研究员，教授，博士（通讯作者. E-mail: liululu@nuaa.edu.cn）.

通讯作者: 刘璐璐（1988—），女，研究员，教授，博士（通讯作者. E-mail: liululu@nuaa.edu.cn）.

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出版历程

Tests and Numerical Analyses of the Composite Casing Containment Under Hydrothermal Environment

计量

出版历程

目录

作者简介:
郑竟波（2000—），女，硕士生(E-mail: 947222529@qq.com);刘璐璐（1988—），女，研究员，教授，博士（通讯作者. E-mail: liululu@nuaa.edu.cn）.

通讯作者:
刘璐璐（1988—），女，研究员，教授，博士（通讯作者. E-mail: liululu@nuaa.edu.cn）.