吸湿后复合材料层合板快速加热分层扩展数值模拟

齐士杰; 张纪奎; 程小全

doi:10.13801/j.cnki.fhclxb.20151120.002

吸湿后复合材料层合板快速加热分层扩展数值模拟

北京航空航天大学航空科学与工程学院, 北京 100083

基金项目: 国家自然科学基金（11472024）；教育部基本科研业务费（2013105037）

详细信息

通讯作者:
张纪奎,博士,讲师,研究方向为复合材料结构设计。E-mail:zjk@buaa.edu.cn

中图分类号: V258⁺.5
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出版历程
- 收稿日期: 2015-07-22
- 修回日期: 2015-10-22
- 刊出日期: 2016-08-14

Numerical simulation of rapid heating induced delamination growth of composite laminates after moisture absorption

School of Aeronautic Science and Engineering, Beihang University, Beijing 100083, China

摘要

摘要: 为研究复合材料层合板吸湿后的分层现象，首先建立了吸湿后复合材料层合板快速加热导致分层损伤的有限元模型，并对ABAQUS有限元软件进行二次开发，通过UAMP子程序模拟吸湿后复合材料快速加热时水分汽化引起的局部高压载荷作用下层合板分层扩展与载荷施加过程；然后，采用该模型预测了饱和吸湿T650-35/HFPE-II-52碳纤维聚酰亚胺复合材料层合板快速加热至310 ℃时产生的分层现象，并将数值模拟与文献实验结果对比；最后，运用该模型分析了树脂吸湿量和富脂区树脂聚集体积对层合板分层损伤面积的影响。结果表明：建立的有限元模型有效；快速加热后，层合板的分层损伤面积随树脂吸湿量的增加而增加；当富脂区树脂聚集体积较小时，其对层合板快速加热后分层损伤面积影响较小，但当富脂区树脂聚集体积增加到一定值后，层合板分层损伤面积随富脂区树脂聚集体积的增加而显著增加。所得结论表明，使用ABAQUS的UAMP子程序建立的有限元模型可以有效分析吸湿后复合材料层合板快速加热导致的分层现象。
- 复合材料 /
- 吸湿 /
- 快速加热 /
- 分层 /
- 有限元模型
Abstract: In order to investigate the delamination phenomenon of composite laminates after moisture absorption, finite element model for the delamination of composite laminates after moisture absorption caused by rapid heating was established, and ABAQUS finite element software was second developed, the delamination growth under the local high pressure loading effect induced by the vaporized water after moisture adsorption when rapid heating as well as the load applied process were simulated through UAMP subroutine. Then, the delamination phenomenon of saturated moisture absorbed T650-35/HFPE-II-52 carbon fiber polyimide composite laminates when rapidly heating to 310 ℃ was predicted by the model, and the numerical simulation and reference experimental results were contrasted. Finally, the influences for the moisture content of resin and the aggregate volume of resin in resin rich area on the delamination damage area were analyzed by the model. The results show that the finite element model established is valid. After rapid heating, the delamination damage area increases with the moisture content of resin increases. When the aggregate volume of resin in resin rich area is relatively small, the influence of it on delamination damage area of laminates after rapid heating is relatively small, while when the aggregate volume of resin in resin rich area increasing to a certain value, the delamination damage area increases significantly with the aggregate volume of resin in resin rich area increasing. The conclusions obtained show that the finite element model established by UAMP subroutine of ABAQUS can analyze the delamination phenomenon of moisture absorbed composite laminates due to rapid heating effectively.
- composites /
- moisture absorption /
- rapid heating /
- delamination /
- finite element model

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