Xuejian Jiao, Wenqing Ge, Lanfei Sun, Huanyu Wang, Luyu He
{"title":"PEEK和MWCNTs交织层对CF/EP复合材料层间断裂韧性和热性能的协同改善","authors":"Xuejian Jiao, Wenqing Ge, Lanfei Sun, Huanyu Wang, Luyu He","doi":"10.1002/app.57222","DOIUrl":null,"url":null,"abstract":"<div>\n \n <p>The low interlaminar fracture toughness and thermal properties of carbon fiber/epoxy resin (CF/EP) composites limit their applications in harsh environments. Synergetic improvement of the interlaminar fracture toughness and thermal conductivity of CF/EP is a challenging research job. In this paper, the surface of CF/EP prepregs was coated by multiwalled carbon nanotubes (MWCNTs) and PEEK, and then the modified CF/EP laminates were prepared by compression molding process. The effects of MWCNTs and PEEK on the mechanical properties and thermal properties of CF/EP laminates were investigated. The results showed that the type II interlaminar fracture toughness, impact strength, and thermal conductivity of the CF/EP laminates synergistically modified by 0.5 wt% MWCNTs, and 2 wt% PEEK reached 1404 J/m<sup>2</sup>, 277 J/m<sup>2</sup>, 0.89 W·m<sup>−1</sup>·K<sup>−1</sup> at 100°C, which were 81%, 42% and 82% higher than that of unmodified CF/EP laminate, respectively. And thermal stability of CF/EP laminate was improved. The addition of MWCNTs and PEEK reduces the loss factor of CF/EP laminates. This work is of great significance to realize the integration of structure and function of composite materials in the high-performance applications.</p>\n </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 30","pages":""},"PeriodicalIF":2.8000,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Synergistically Improved Interlaminar Fracture Toughness and Thermal Properties of CF/EP Composites With PEEK and MWCNTs Interleaves\",\"authors\":\"Xuejian Jiao, Wenqing Ge, Lanfei Sun, Huanyu Wang, Luyu He\",\"doi\":\"10.1002/app.57222\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div>\\n \\n <p>The low interlaminar fracture toughness and thermal properties of carbon fiber/epoxy resin (CF/EP) composites limit their applications in harsh environments. Synergetic improvement of the interlaminar fracture toughness and thermal conductivity of CF/EP is a challenging research job. In this paper, the surface of CF/EP prepregs was coated by multiwalled carbon nanotubes (MWCNTs) and PEEK, and then the modified CF/EP laminates were prepared by compression molding process. The effects of MWCNTs and PEEK on the mechanical properties and thermal properties of CF/EP laminates were investigated. The results showed that the type II interlaminar fracture toughness, impact strength, and thermal conductivity of the CF/EP laminates synergistically modified by 0.5 wt% MWCNTs, and 2 wt% PEEK reached 1404 J/m<sup>2</sup>, 277 J/m<sup>2</sup>, 0.89 W·m<sup>−1</sup>·K<sup>−1</sup> at 100°C, which were 81%, 42% and 82% higher than that of unmodified CF/EP laminate, respectively. And thermal stability of CF/EP laminate was improved. The addition of MWCNTs and PEEK reduces the loss factor of CF/EP laminates. This work is of great significance to realize the integration of structure and function of composite materials in the high-performance applications.</p>\\n </div>\",\"PeriodicalId\":183,\"journal\":{\"name\":\"Journal of Applied Polymer Science\",\"volume\":\"142 30\",\"pages\":\"\"},\"PeriodicalIF\":2.8000,\"publicationDate\":\"2025-05-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Applied Polymer Science\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1002/app.57222\",\"RegionNum\":3,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"POLYMER SCIENCE\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Applied Polymer Science","FirstCategoryId":"92","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/app.57222","RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"POLYMER SCIENCE","Score":null,"Total":0}
Synergistically Improved Interlaminar Fracture Toughness and Thermal Properties of CF/EP Composites With PEEK and MWCNTs Interleaves
The low interlaminar fracture toughness and thermal properties of carbon fiber/epoxy resin (CF/EP) composites limit their applications in harsh environments. Synergetic improvement of the interlaminar fracture toughness and thermal conductivity of CF/EP is a challenging research job. In this paper, the surface of CF/EP prepregs was coated by multiwalled carbon nanotubes (MWCNTs) and PEEK, and then the modified CF/EP laminates were prepared by compression molding process. The effects of MWCNTs and PEEK on the mechanical properties and thermal properties of CF/EP laminates were investigated. The results showed that the type II interlaminar fracture toughness, impact strength, and thermal conductivity of the CF/EP laminates synergistically modified by 0.5 wt% MWCNTs, and 2 wt% PEEK reached 1404 J/m2, 277 J/m2, 0.89 W·m−1·K−1 at 100°C, which were 81%, 42% and 82% higher than that of unmodified CF/EP laminate, respectively. And thermal stability of CF/EP laminate was improved. The addition of MWCNTs and PEEK reduces the loss factor of CF/EP laminates. This work is of great significance to realize the integration of structure and function of composite materials in the high-performance applications.
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The Journal of Applied Polymer Science is the largest peer-reviewed publication in polymers, #3 by total citations, and features results with real-world impact on membranes, polysaccharides, and much more.
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