Study on performance characteristics of fused deposition modeling 3D‐printed composites by blending and lamination,Journal of Applied Polymer Science

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Study on performance characteristics of fused deposition modeling 3D‐printed composites by blending and lamination
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2020-09-17 , DOI: 10.1002/app.49926
Xinjian Shi ₁ , Bicheng Chen ₁ , Xiaohang Tuo ₁ , Yumei Gong ₁ , Jing Guo ₁

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Component contacting degree in a composite material is an important reference for evaluation the performance characteristics. In this article, two composite material systems involving polylactic acid (PLA) with acrylonitrile butadiene styrene (ABS) and PLA with thermoplastic polyurethane (TPU) were prepared by blending and laminating through fused deposition modeling (FDM) 3D printing technology. The mechanical and thermal properties of the as‐prepared composite materials were examined. The results indicated that PLA and TPU played a dominant role in tensile strength and breaking elongation, respectively, in individual composite material. ABS and TPU changed the glass transition peek, crystallinity, and modulus of PLA. The results also suggested that although the processing design of the blending method was more suitable for the contact between two components, but the mechanical properties of laminated composites were closer to theoretical predictions. The structural design and processing technology provide a comparative method and reference basis for studying the performance characteristics of composite materials.

中文翻译：

通过共混和层压研究熔融沉积建模3D打印复合材料的性能特征

复合材料中的成分接触度是评估性能特征的重要参考。在本文中，通过融合和层压通过熔融沉积建模（FDM）3D打印技术进行层压，制备了两种复合材料系统，其中包括聚乳酸（PLA）与丙烯腈丁二烯苯乙烯（ABS）和PLA与热塑性聚氨酯（TPU）。检查了所制备复合材料的机械性能和热性能。结果表明，在单独的复合材料中，PLA和TPU分别在拉伸强度和断裂伸长率中起主导作用。ABS和TPU改变了玻璃化转变率，结晶度和PLA模量。研究结果还表明，尽管共混方法的加工设计更适合两种组分之间的接触，但层压复合材料的机械性能却更接近理论预测。结构设计和加工技术为研究复合材料的性能特性提供了比较方法和参考依据。

更新日期：2020-11-25

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