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新型多部件复合易碎盖的设计与分析

Design and Analysis of a New Multi-Part Composite Frangible Cover.

作者信息

Qian Yuan, Li Wenlong, Wang Xiaopei, Cai Deng'an

机构信息

Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210034, China.

State Key Laboratory of Mechanics and Control for Aerospace Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China.

出版信息

Polymers (Basel). 2023 Aug 4;15(15):3307. doi: 10.3390/polym15153307.

DOI:10.3390/polym15153307
PMID:37571200
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10422476/
Abstract

In this paper, a new multi-part composite frangible cover (MCFC) was designed and fabricated. The frangible cover, manufactured with a traditional manual lay-up method, is designed to conduct a simulated missile launch test using a specially developed test device. A weak zone structure of the composite multi-part frangible cover was designed, and the separation process of the cover was studied by numerical simulation. Based on the strength envelope of the weak zone and the equal-strength design principle, a design method for the weak zone structure of the composite multi-part frangible cover was proposed. A finite element model of the composite multi-part frangible cover was established, and the separation process was numerically simulated and analyzed. Afterward, the verification experiments were carried out. Close agreements between the numerical and experimental results are observed.

摘要

本文设计并制造了一种新型多部件复合易碎罩(MCFC)。该易碎罩采用传统手工铺层方法制造,旨在使用专门开发的测试装置进行模拟导弹发射试验。设计了复合多部件易碎罩的薄弱区结构,并通过数值模拟研究了罩的分离过程。基于薄弱区的强度包络和等强度设计原则,提出了复合多部件易碎罩薄弱区结构的设计方法。建立了复合多部件易碎罩的有限元模型,对分离过程进行了数值模拟和分析。随后进行了验证实验。数值结果与实验结果吻合良好。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/91250661465e/polymers-15-03307-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/94aa004c49cc/polymers-15-03307-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/b5dec9543bae/polymers-15-03307-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/1343a641a803/polymers-15-03307-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/63fd4a6efa98/polymers-15-03307-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/d84d8016a343/polymers-15-03307-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/ff3ebcd4603f/polymers-15-03307-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/f6a54293ad7c/polymers-15-03307-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/29cadb27ef5a/polymers-15-03307-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/fc21ad68651d/polymers-15-03307-g009a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/5bb149720c69/polymers-15-03307-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/fd18835646f5/polymers-15-03307-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/417a5cb9599f/polymers-15-03307-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/846c401e7db4/polymers-15-03307-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/91250661465e/polymers-15-03307-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/94aa004c49cc/polymers-15-03307-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/b5dec9543bae/polymers-15-03307-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/1343a641a803/polymers-15-03307-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/63fd4a6efa98/polymers-15-03307-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/d84d8016a343/polymers-15-03307-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/ff3ebcd4603f/polymers-15-03307-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/f6a54293ad7c/polymers-15-03307-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/29cadb27ef5a/polymers-15-03307-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/fc21ad68651d/polymers-15-03307-g009a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/5bb149720c69/polymers-15-03307-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/fd18835646f5/polymers-15-03307-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/417a5cb9599f/polymers-15-03307-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/846c401e7db4/polymers-15-03307-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f58/10422476/91250661465e/polymers-15-03307-g014.jpg

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Lightweight Glass Fiber-Reinforced Polymer Composite for Automotive Bumper Applications: A Review.用于汽车保险杠应用的轻质玻璃纤维增强聚合物复合材料:综述
Polymers (Basel). 2022 Dec 30;15(1):193. doi: 10.3390/polym15010193.
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An Experimental Investigation into Mechanical and Thermal Properties of Hybrid Woven Rattan/Glass-Fiber-Reinforced Epoxy Composites.
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Polymers (Basel). 2022 Dec 19;14(24):5562. doi: 10.3390/polym14245562.
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Effect of Interlaminar Toughness on the Residual Compressive Capacity of Carbon Fiber Laminates with Different Types of Delamination.层间韧性对不同类型分层的碳纤维层压板残余抗压能力的影响。
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