[1]匡 宁,刘 畅,周光明.整体中空夹层复合材料剪切性能研究[J].南京理工大学学报(自然科学版),2017,41(05):653.[doi:10.14177/j.cnki.32-1397n.2017.41.05.018]
 Kuang Ning,Liu Chang,Zhou Guangming.Study on shear performance of hollow integrated sandwich composite[J].Journal of Nanjing University of Science and Technology,2017,41(05):653.[doi:10.14177/j.cnki.32-1397n.2017.41.05.018]
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整体中空夹层复合材料剪切性能研究()
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
41卷
期数:
2017年05期
页码:
653
栏目:
出版日期:
2017-10-31

文章信息/Info

Title:
Study on shear performance of hollow integrated sandwich composite
文章编号:
1005-9830(2017)05-0653-07
作者:
匡 宁1刘 畅2周光明2
1.中材科技股份有限公司,江苏 南京 210012; 2.南京航空航天大学 机械结构力学及控制国家重点实验室,江苏 南京 210016
Author(s):
Kuang Ning1Liu Chang2Zhou Guangming2
1.Sinoma Science & Technology Co Ltd,Nanjing 210012,China; 2.State Key Laboratory of Mechanics and Control of Mechanical Structures,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China
关键词:
整体中空 夹层复合材料 剪切性能 渐进损伤分析 有限元法
Keywords:
hollow integrated sandwich composites shear performance progressive failure analysis finite element method
分类号:
TB332
DOI:
10.14177/j.cnki.32-1397n.2017.41.05.018
摘要:
为了研究整体中空夹层复合材料的层间剪切性能,该文在分析整体中空夹层复合材料细观结构的基础上,将材料的芯材结构简化为双菱形,建立了相应的实体模型。采用渐进损伤分析有限元方法预测了材料的剪切刚度及强度、各组分材料的应力分布和破坏模式。理论分析与实验结果表明,整体中空夹层复合材料的经向剪切性能优于纬向性能,剪切载荷作用下的主要承力部件为绒经,绒经根部是发生破坏的主要区域。
Abstract:
In order to study the interlaminar shear performance of hollow integrated sandwich composites,the core structure of composites is simplified as the double rhombus,and then the corresponding entity model is established based on the full analysis of pile structure of the hollow integrated sandwich composites.The progressive failure analysis of the finite element method is applied to predict shear performances,stress distribution and failure modes.The results show that the simulation results agree well with the experimental data.The warp shear performances of the hollow integrated sandwich composites are better than its weft shear performances.The main load-bearing components of the titled composites are its piles,and the failure under shearing loads incurs mainly in the root area of the piles.

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备注/Memo

备注/Memo:
收稿日期:2017-07-18 修回日期:2017-08-21
作者简介:匡宁(1980-),男,高级工程师,主要研究方向:高性能纺织复合材料的研究与开发,E-mail:26571563@qq.com。
引文格式:匡宁,刘畅,周光明.整体中空夹层复合材料剪切性能研究[J].南京理工大学学报,2017,41(5):653-659.
投稿网址:http://zrxuebao.njust.edu.cn
更新日期/Last Update: 1900-01-01