Exploring Flexural Performances of Fused Filament Fabrication 3D-Printed ABS and ABS-Composites through Innovative Bio-Inspired Processing Parameter Optimization

IF 2.3 4区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES

Applied Composite Materials Pub Date : 2024-01-05 DOI:10.1007/s10443-023-10191-z

Zhaogui Wang, Kexuan Zhou, Chengping Bi

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Abstract

Taking crustacean organisms in nature as prototypes helps improve the design of protective gears. Drawing inspiration from the high-damage-tolerance helical-structured cuticle of the American crayfish, we conduct an optimization of processing parameters for Fused Filament Fabrication 3D printing products. Various values of in-plane raster angle and interlayer thickness are employed to replicate the damage-resistant feature mimicked from nature. The effect of flexural resistances on 3D-printed three-point bending specimens is being investigated using a combination of four helical printing raster angles at four different layer thicknesses. Acrylonitrile-butadiene-styrene (ABS) and glass fiber-reinforced ABS (ABS-GF) are employed as material models. A Dino-lite handheld microscope and a Keyence VHX-7000 optical microscope are used to characterize the microstructure of the samples’ fracture resistance after the three-point bending test. Explanations of the mechanism of fracture resistance for helical structures are given. The results show that the specimen with a layer thickness of 0.04 mm and a spiral angle of 30° has the highest bending strength and bending elastic modulus among all the tested specimens. When compared with the layer thickness of 0.16 mm, the bending strength and bending elastic modulus of the ABS helix specimen with a layer thickness of 0.04 mm are increased by 6.45% and 2.67%, and those of the ABS-GF helix specimen are increased by 21.21% and 10.03%, respectively. The microstructural observation of the samples reveals that the spiral specimens with a helix angle of 11.25° have a greater displacement of crack propagation to resist the damage extending inside when resisting fracture. Our bio-inspired study presents an alternative approach to comprehensively optimize FFF printing parameters for enhanced mechanical performance.

Graphical Abstract

Abstract Image

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通过创新性生物启发加工参数优化探索熔丝制造三维打印 ABS 和 ABS 复合材料的挠曲性能

以自然界中的甲壳类生物为原型，有助于改进防护装备的设计。我们从美洲小龙虾的高抗损螺旋结构角质层中汲取灵感，对熔融丝制造三维打印产品的加工参数进行了优化。我们采用了不同的平面光栅角度和层间厚度值来复制模仿自自然界的抗损伤特征。采用四种不同层厚的四种螺旋打印光栅角组合，研究了三维打印三点弯曲试样的抗弯强度效果。丙烯腈-丁二烯-苯乙烯（ABS）和玻璃纤维增强 ABS（ABS-GF）被用作材料模型。使用 Dino-lite 手持显微镜和 KEYENCE VHX-7000 光学显微镜表征三点弯曲试验后样品抗断裂性的微观结构。对螺旋结构的抗断裂机理进行了解释。结果表明，在所有测试试样中，层厚为 0.04 mm、螺旋角为 30° 的试样具有最高的抗弯强度和抗弯弹性模量。与层厚为 0.16 mm 的试样相比，层厚为 0.04 mm 的 ABS 螺旋试样的弯曲强度和弯曲弹性模量分别提高了 6.45% 和 2.67%，而 ABS-GF 螺旋试样的弯曲强度和弯曲弹性模量则分别提高了 21.21% 和 10.03%。对试样的微观结构观察表明，螺旋角为 11.25°的螺旋试样在抵抗断裂时具有更大的裂纹扩展位移，以抵抗损伤向内部扩展。我们的生物启发研究为全面优化 FFF 印刷参数以提高机械性能提供了另一种方法。图文摘要

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来源期刊

Applied Composite Materials 工程技术-材料科学：复合

CiteScore

4.20

自引率

4.30%

发文量

审稿时长

1.6 months

期刊介绍： Applied Composite Materials is an international journal dedicated to the publication of original full-length papers, review articles and short communications of the highest quality that advance the development and application of engineering composite materials. Its articles identify problems that limit the performance and reliability of the composite material and composite part; and propose solutions that lead to innovation in design and the successful exploitation and commercialization of composite materials across the widest spectrum of engineering uses. The main focus is on the quantitative descriptions of material systems and processing routes. Coverage includes management of time-dependent changes in microscopic and macroscopic structure and its exploitation from the material''s conception through to its eventual obsolescence.