The research on precise forming technology of “λ” type composite skin

Q. Guo, K. He, H. Xu, Y. Wen
{"title":"The research on precise forming technology of “λ” type composite skin","authors":"Q. Guo, K. He, H. Xu, Y. Wen","doi":"10.1177/2634983321994749","DOIUrl":null,"url":null,"abstract":"With the application of “λ” type composite skin becoming more and more extensive and diversified, its precise forming technology is also widely concerned. This article mainly solves the quality problems of “λ” type corner area, such as delamination dispersion and surface wrinkle, which exist in reality commonly in the manufacturing process. The prepreg is heated along the corner area of the tooling to solve the problem that prepreg is difficult to be compacted due to the large modulus of carbon fiber in “λ” type corner area. Furthermore, two precompaction tests are creatively increased at 16 layers (middle layer) and 32 layers (last layer) for the thick structure, respectively, to ensure the compaction effect of the blank. In addition, combined with the characteristics of highly elastic rubber and carbon fiber-reinforced materials, a new type of soft mold structure with proper flexibility and good stiffness is proposed innovatively through the reasonable placement of carbon fiber-reinforced materials and the setting of exhaust holes according to the structure characteristics of “λ” type root skin. Through further process verification, it is shown that the improved process has effectively solved the problems of wrinkles and internal delamination at the sharp corners of parts and realized zero-defect manufacturing of “λ” type root skin for the first time.","PeriodicalId":10608,"journal":{"name":"Composites and Advanced Materials","volume":"13 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Composites and Advanced Materials","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1177/2634983321994749","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0

Abstract

With the application of “λ” type composite skin becoming more and more extensive and diversified, its precise forming technology is also widely concerned. This article mainly solves the quality problems of “λ” type corner area, such as delamination dispersion and surface wrinkle, which exist in reality commonly in the manufacturing process. The prepreg is heated along the corner area of the tooling to solve the problem that prepreg is difficult to be compacted due to the large modulus of carbon fiber in “λ” type corner area. Furthermore, two precompaction tests are creatively increased at 16 layers (middle layer) and 32 layers (last layer) for the thick structure, respectively, to ensure the compaction effect of the blank. In addition, combined with the characteristics of highly elastic rubber and carbon fiber-reinforced materials, a new type of soft mold structure with proper flexibility and good stiffness is proposed innovatively through the reasonable placement of carbon fiber-reinforced materials and the setting of exhaust holes according to the structure characteristics of “λ” type root skin. Through further process verification, it is shown that the improved process has effectively solved the problems of wrinkles and internal delamination at the sharp corners of parts and realized zero-defect manufacturing of “λ” type root skin for the first time.
查看原文
分享 分享
微信好友 朋友圈 QQ好友 复制链接
本刊更多论文
“λ”型复合蒙皮精密成形技术研究
随着“λ”型复合蒙皮的应用越来越广泛和多样化,其精密成形技术也受到广泛关注。本文主要解决了现实中制造过程中普遍存在的“λ”型边角区域的分层分散、表面起皱等质量问题。预浸料沿模具角区加热,解决了“λ”型角区碳纤维模量大导致预浸料难以压实的问题。并创造性地在厚结构的16层(中间层)和32层(末层)分别增加两次预压实试验,以保证坯料的压实效果。此外,结合高弹性橡胶和碳纤维增强材料的特点,根据“λ”型根皮的结构特点,通过碳纤维增强材料的合理放置和排气孔的设置,创新性地提出了一种柔性适当、刚度良好的新型软模结构。进一步的工艺验证表明,改进后的工艺有效地解决了零件尖角处的起皱和内部分层问题,首次实现了“λ”型根皮的零缺陷制造。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
求助全文
约1分钟内获得全文 去求助
来源期刊
自引率
0.00%
发文量
0
期刊最新文献
Performance of blockboard using particle composite bagasse waste as core layer materials Vibration studies of an axially moving epoxy-carbon nanofiber composite beam in thermal environment—Effect of various nanofiber reinforcements Evaluation of fatigue life of fiberglass reinforced polyester composite materials using Weibull analysis methods Performance analysis of similar and dissimilar self-piercing riveted joints in aluminum alloys Characterization of animal shells-derived hydroxyapatite reinforced epoxy bio-composites
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
已复制链接
已复制链接
快去分享给好友吧!
我知道了
×
扫码分享
扫码分享
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1