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浙江大学学报(工学版)
化学工程     
功能无纺布插层复合材料的结构阻尼性能
倪楠楠1, 温月芳1, 贺德龙2, 王程成2, 益小苏2, 许亚洪3
1. 浙江大学 化学工程与生物工程学院,浙江 杭州 310013;2. 北京航空材料研究院,北京 100095;3. 航天特种材料及工艺技术研究所,北京 100074
Structural damping properties of composites interleaved with  functionalized nonwoven fabrics
NI Nan nan1, WEN Yue fang1, HE De long2, WANG Cheng cheng2, YI Xiao su2, XU Ya hong3
1. Department of Chemical and Biological Engineering, Zhejiang 310007, China; 2. Beijing Institute of Aeronautical Materials, Beijing 100095, PR China; 3 Aerospace Research Institute of Special Materials and Processing Technology,Beijing 100074, PR China
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摘要:
以负载定量聚偏二氟乙烯的尼龙无纺布为功能插层,采用共固化工艺制备碳纤维增强环氧树脂基结构阻尼复合材料. 测试复合材料的弯曲强度、弯曲模量和层间剪切强度等静态力学性能和储能模量和损耗因子的温度谱.此外,通过单悬臂梁振动实验评价阻尼减振性能. 通过光学显微镜和扫描电镜分析共固化复合材料的微观结构,研究了阻尼机理. 结果表明,在复合材料层间插入改性的尼龙无纺布能在不引起力学性能明显下降的前提下,显著提高复合材料的阻尼性能. 其中插入7层改性的PNF插层的复合材料损耗因子达到0.008 3,比无插层复合材料提高了72. 9%,弯曲模量下降了16. 3%.
Abstract:
A new structural damping composite was prepared by interleaving polyamide nonwoven fabricsmodified by PVDF between the carbon fiber reinforced epoxy composites via co cured method. The static mechanical properties of co cured composites were estimated by measurement of flexural strength, flexural modulus and interlaminar shear strength. The temperature spectra of storage modulus and loss factor were measured,and single cantilever beam vibration experiment was conducted to analyze the vibration damping characteristics. The micro structure and damping mechanism of co cured composites were analyzed by optical microscopy and scanning electron microscopy. Results indicate that the damping properties can be significantly improved by inserting modified PNF with comparatively lower decline of mechanical properties. The loss factor of composites with seven layers of modified PNF was 0.008 3, 72.9% more than the control sample, and flexural modulus was only 16.3% lower than the control sample.
出版日期: 2016-02-01
:  TB 332  
基金资助:

国家“863”高技术研究发展计划资助项目(2015AA03A201).

通讯作者: 温月芳,男,教授,博导. ORCID: 0000 0003 3240 8791.     E-mail: wenyf@vip163.com
作者简介: 倪楠楠(1986—),男,博士,从事碳纤维及树脂基复合材料方面研究. ORCID: 0000 0002 8299 0567. E-mail: nan19860419@163.com.
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倪楠楠, 温月芳, 贺德龙, 王程成, 益小苏, 许亚洪. 功能无纺布插层复合材料的结构阻尼性能[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2016.02.022.

NI Nan nan, WEN Yue fang, HE De long, WANG Cheng cheng, YI Xiao su, XU Ya hong. Structural damping properties of composites interleaved with  functionalized nonwoven fabrics. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2016.02.022.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2016.02.022        http://www.zjujournals.com/eng/CN/Y2016/V50/I2/353

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