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材料工程  2018, Vol. 46 Issue (12): 61-69    DOI: 10.11868/j.issn.1001-4381.2017.000728
  研究论文 本期目录 | 过刊浏览 | 高级检索 |
航空碳纤维增强树脂基复合材料加筋壁板吸湿行为
谭翔飞1, 谭鹏达2, 何宇廷1, 冯宇1, 安涛1, 张天宇1, 刘凯1
1. 空军工程大学 航空航天工程学院, 西安 710038;
2. 重庆市南坪中学校, 重庆 400000
Moisture Behavior of Aeronautic Carbon Fiber Reinforced Resin Composite Stiffened Panel
TAN Xiang-fei1, TAN Peng-da2, HE Yu-ting1, FENG Yu1, AN Tao1, ZHANG Tian-yu1, LIU Kai1
1. Aeronautics Engineering College, Air Force Engineering University, Xi'an 710038, China;
2. Chongqing Nanping Middle School, Chongqing 400000, China
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摘要 为研究碳纤维增强树脂基复合材料加筋壁板在湿热环境中的吸湿特性,在70℃/85%相对湿度的条件中开展了吸湿实验,结合实验数据,提出了复合材料加筋壁板的阶段吸湿模型,并对该型结构的吸湿行为进行了有限元仿真。结果表明:复合材料加筋壁板在吸湿初期符合Fick吸湿定律,在吸湿后期存在明显的阶段吸湿现象;提出的阶段吸湿模型具有较高的分析精度,阶段吸湿模型的吸湿曲线与有限元仿真结果保持一致,计算误差在5%以内;水分浓度分布结果揭示复合材料加筋壁板的阶段吸湿机制,结构在不同厚度的吸湿平衡速率差异是导致阶段吸湿现象的主要原因。
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谭翔飞
谭鹏达
何宇廷
冯宇
安涛
张天宇
刘凯
关键词 复合材料加筋壁板吸湿行为吸湿模型水分浓度分布    
Abstract:In order to investigate the moisture property of carbon fiber reinforced resin composite stiffened panel in hygrothermal environment, moisture experiments were conducted in condition of 70℃/85%RH. Stage moisture model was proposed and moisture behaviors were analyzed by finite element method. The results show that the moisture curve of experimental result agrees with Fick's diffusion law perfectly in initial moisture stage. However, stage moisture behavior exists in later moisture period. The moisture curve of stage moisture model agrees with finite element result,with an error less than 5% compared with the experimental result. The composite stiffened panel moisture mechanism is revealed by moisture concentration distribution. Additionally, the saturated moisture rate in different thickness zones is not synchronous, which is main reason resulting in stage moisture.
Key wordscomposite stiffened panel    moisture behavior    moisture model    moisture concentration distribution
收稿日期: 2017-06-08      出版日期: 2018-12-18
中图分类号:  TB332  
基金资助: 
通讯作者: 何宇廷(1966-),男,博士,教授,主要从事飞机结构强度与使用寿命方面研究工作,联系地址:陕西省西安市灞桥区霸陵路1号,空军工程大学航空航天工程学院(710038),E-mail:heyut666@126.com     E-mail: heyut666@126.com
引用本文:   
谭翔飞, 谭鹏达, 何宇廷, 冯宇, 安涛, 张天宇, 刘凯. 航空碳纤维增强树脂基复合材料加筋壁板吸湿行为[J]. 材料工程, 2018, 46(12): 61-69.
TAN Xiang-fei, TAN Peng-da, HE Yu-ting, FENG Yu, AN Tao, ZHANG Tian-yu, LIU Kai. Moisture Behavior of Aeronautic Carbon Fiber Reinforced Resin Composite Stiffened Panel. Journal of Materials Engineering, 2018, 46(12): 61-69.
链接本文:  
http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2017.000728      或      http://jme.biam.ac.cn/CN/Y2018/V46/I12/61
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