Yu-Tong Fu, Jia Li, Fang-Liang Guo, Yuan-Qing Li, Shao-Yun Fu
{"title":"三维打印短碳纤维增强聚醚醚酮复合材料的系统力学分析","authors":"Yu-Tong Fu, Jia Li, Fang-Liang Guo, Yuan-Qing Li, Shao-Yun Fu","doi":"10.1016/j.compositesa.2024.108328","DOIUrl":null,"url":null,"abstract":"<div><p>Though the micro-structure of 3D printed short carbon fiber reinforced thermoplastic (SCFRTP) composites is well reckoned to have a great influence on their mechanical performances, the existing models are deficient in considering microscopic factors and thus large errors existed in their predictions. In this work, the effects of micro-structure on the mechanical properties of 3D printed SCFRTP composites are systematically analyzed. The microscopic representative volume elements (micro-RVEs) of 3D printed SCFRTP composites with fibers of probability density distributed length and void defects are established using the modified random sequential adsorption (RSA) algorithm based on experimental results. The present model (m-RVE<sub>fv_d</sub>) can evaluate the mechanical performances of 3D printed SCFRTP composites more accurately and effectively compared with the existing models that did not consider the effects of void defects and fiber probability density distributions. In addition, it is observed that as the fiber content increases, the average length of short fibers decreases while the content of void defects increases. When fiber content is less than 5 wt%, the composite mechanical properties are dominated by fiber content; as the fiber content exceeds 5 wt%, the composite mechanical properties are mainly affected by microscopic defects. Finally, a strategy is proposed for achieving high mechanical performance SCFRTP composites based on the systematical mechanical analyses conducted in this work.</p></div>","PeriodicalId":282,"journal":{"name":"Composites Part A: Applied Science and Manufacturing","volume":null,"pages":null},"PeriodicalIF":8.1000,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Systematical mechanical analyses of 3D printed short carbon fiber reinforced polyetheretherketone composites\",\"authors\":\"Yu-Tong Fu, Jia Li, Fang-Liang Guo, Yuan-Qing Li, Shao-Yun Fu\",\"doi\":\"10.1016/j.compositesa.2024.108328\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Though the micro-structure of 3D printed short carbon fiber reinforced thermoplastic (SCFRTP) composites is well reckoned to have a great influence on their mechanical performances, the existing models are deficient in considering microscopic factors and thus large errors existed in their predictions. In this work, the effects of micro-structure on the mechanical properties of 3D printed SCFRTP composites are systematically analyzed. The microscopic representative volume elements (micro-RVEs) of 3D printed SCFRTP composites with fibers of probability density distributed length and void defects are established using the modified random sequential adsorption (RSA) algorithm based on experimental results. The present model (m-RVE<sub>fv_d</sub>) can evaluate the mechanical performances of 3D printed SCFRTP composites more accurately and effectively compared with the existing models that did not consider the effects of void defects and fiber probability density distributions. In addition, it is observed that as the fiber content increases, the average length of short fibers decreases while the content of void defects increases. When fiber content is less than 5 wt%, the composite mechanical properties are dominated by fiber content; as the fiber content exceeds 5 wt%, the composite mechanical properties are mainly affected by microscopic defects. Finally, a strategy is proposed for achieving high mechanical performance SCFRTP composites based on the systematical mechanical analyses conducted in this work.</p></div>\",\"PeriodicalId\":282,\"journal\":{\"name\":\"Composites Part A: Applied Science and Manufacturing\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":8.1000,\"publicationDate\":\"2024-07-02\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Composites Part A: Applied Science and Manufacturing\",\"FirstCategoryId\":\"1\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1359835X24003257\",\"RegionNum\":2,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ENGINEERING, MANUFACTURING\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Composites Part A: Applied Science and Manufacturing","FirstCategoryId":"1","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1359835X24003257","RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENGINEERING, MANUFACTURING","Score":null,"Total":0}
Systematical mechanical analyses of 3D printed short carbon fiber reinforced polyetheretherketone composites
Though the micro-structure of 3D printed short carbon fiber reinforced thermoplastic (SCFRTP) composites is well reckoned to have a great influence on their mechanical performances, the existing models are deficient in considering microscopic factors and thus large errors existed in their predictions. In this work, the effects of micro-structure on the mechanical properties of 3D printed SCFRTP composites are systematically analyzed. The microscopic representative volume elements (micro-RVEs) of 3D printed SCFRTP composites with fibers of probability density distributed length and void defects are established using the modified random sequential adsorption (RSA) algorithm based on experimental results. The present model (m-RVEfv_d) can evaluate the mechanical performances of 3D printed SCFRTP composites more accurately and effectively compared with the existing models that did not consider the effects of void defects and fiber probability density distributions. In addition, it is observed that as the fiber content increases, the average length of short fibers decreases while the content of void defects increases. When fiber content is less than 5 wt%, the composite mechanical properties are dominated by fiber content; as the fiber content exceeds 5 wt%, the composite mechanical properties are mainly affected by microscopic defects. Finally, a strategy is proposed for achieving high mechanical performance SCFRTP composites based on the systematical mechanical analyses conducted in this work.
期刊介绍:
Composites Part A: Applied Science and Manufacturing is a comprehensive journal that publishes original research papers, review articles, case studies, short communications, and letters covering various aspects of composite materials science and technology. This includes fibrous and particulate reinforcements in polymeric, metallic, and ceramic matrices, as well as 'natural' composites like wood and biological materials. The journal addresses topics such as properties, design, and manufacture of reinforcing fibers and particles, novel architectures and concepts, multifunctional composites, advancements in fabrication and processing, manufacturing science, process modeling, experimental mechanics, microstructural characterization, interfaces, prediction and measurement of mechanical, physical, and chemical behavior, and performance in service. Additionally, articles on economic and commercial aspects, design, and case studies are welcomed. All submissions undergo rigorous peer review to ensure they contribute significantly and innovatively, maintaining high standards for content and presentation. The editorial team aims to expedite the review process for prompt publication.