| 3D打印连续芳纶纤维/聚乳酸波纹夹层结构复合材料的压缩性能研究 |
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| 引用本文： | 刘良强,肖学良,董科,钱坤,周红涛. 3D打印连续芳纶纤维/聚乳酸波纹夹层结构复合材料的压缩性能研究[J]. 塑料工业, 2020, 48(1): 91-95 |
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| 作者姓名： | 刘良强 肖学良 董科 钱坤 周红涛 |
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| 作者单位： | 江南大学生态纺织教育部重点实验室,江苏无锡214122;盐城工业职业技术学院纺织服装学院,江苏盐城224000 |
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| 基金项目： | 国家重点研发计划项目(2018YFC0810300);国家自然科学基金青年基金(51703083);江苏省高职院校青年教师企业实践培训(2019QYSJPX059) |
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| 摘 要： | 以连续芳纶纤维(Kevlar)为增强体,热塑性聚乳酸(PLA)为基体,采用熔融沉积成型(FDM)工艺,设计并制备了一体成型的Kevlar/PLA波纹夹层结构复合材料。研究了Kevlar/PLA波纹夹层结构复合材料在压缩载荷下的断裂模式,分析了结构参数、工艺参数对试样的压缩性能和结构密度的影响。结果表明,随着芯层波纹数量的增加,试样的压缩性能与结构密度均呈增大趋势;随着芯层波纹高度的增大,试样的压缩强度先增大后减小,结构密度不断减小;随着打印层高的增大,试样中的纤维体积含量不断减少,试样的压缩强度略有下降。
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| 关 键 词： | 芳纶纤维 聚乳酸 3D打印 复合材料 压缩性能 波纹结构 |
Compression Properties of 3D Printed Continuous Kevlar Fiber/PLA Corrugated Sandwich Composites |
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| LIU Liang-qiang,XIAO Xue-liang,DONG Ke,QIAN Kun,ZHOU Hong-tao. Compression Properties of 3D Printed Continuous Kevlar Fiber/PLA Corrugated Sandwich Composites[J]. China Plastics Industry, 2020, 48(1): 91-95 |
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| Authors: | LIU Liang-qiang XIAO Xue-liang DONG Ke QIAN Kun ZHOU Hong-tao |
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| Affiliation: | (Key Laboratory of Eco-Textile of Ministry of Education,Jiangnan university,Wuxi 214122,China;College of Textile and Clothing,Yancheng Vocational Institute of Industry Technology,Yancheng,224000,China) |
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| Abstract: | Kevlar/polylactic acid(PL A) corrugated sandwich composites were designed and fabricated by using continuous Kevlar fiber as reinforcement and PLA as matrix through fuse deposition modeling(FDM) process.The fracture mode of Kevlar/PLA corrugated sandwich composites under compression loads was studied.The effects of structural parameters and process parameters on the compression properties and structural density of the samples were analyzed.The results show that with the increase of the number of core ripple,the compression properties and structural density of the sample increase.As the increase of the core height,the compression strength of the sample increases first and then decreases,and the structural density decreases.As the increase of the layer height,the fiber volume content in the samples decreases continuously,and the compression strength of the sample decreases. |
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| Keywords: | Kevlar Fiber Polylactic Acid Three Dimensional Printing Composite Compression Properties Corrugated Structure |
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