Investigating the Mechanical Properties of Polymer Samples from Different Additive Manufacturing Processes Using Ultrasonic Phase Spectroscopy.

IF 2.3 4区工程技术 Q3 ENGINEERING, MANUFACTURING

3D Printing and Additive Manufacturing Pub Date : 2024-04-01 Epub Date: 2024-04-16 DOI:10.1089/3dp.2022.0148

Philipp Eyer, Sarah Enzler, Anna Trauth, Kay André Weidenmann

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引用次数: 0

Abstract

Additive manufacturing processes have recently been used more frequently since they offer high design freedom and easy individualization of components. The processes have been optimized to improve mechanical performance of the manufactured parts. Nevertheless, properties of components made by means of injection molding could not be reached yet. In the study at hand, ultrasonic phase spectroscopy (UPS) is used to compare the elastic properties of acrylonitrile butadiene styrene specimens manufactured by injection molding, by fused filament fabrication, and the Arburg plastic freeforming process. UPS allows a nondestructive and prompt determination of the elastic modulus and allows evaluation of the mechanical properties in every direction in space. In the end, results of UPS are compared with properties derived by uniaxial tensile tests to validate UPS as a test method for the determination of the mechanical properties of polymers. Regardless of the manufacturing process, an approximately linear dependence of the elastic moduli on the density can be determined. Furthermore, the quasistatic properties of the injection molded samples consistently exhibit the mechanical properties of the other samples by at least 10%.

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利用超声波相位频谱仪研究不同增材制造工艺制备的聚合物样品的机械性能。

快速成型制造工艺具有设计自由度高、部件个性化容易的特点，因此最近得到了越来越广泛的应用。为了提高制造部件的机械性能，对工艺进行了优化。然而，通过注塑成型制造的部件的性能还无法达到要求。本研究采用超声波相位光谱（UPS）来比较注塑成型、熔融长丝制造和阿博格塑料自由成型工艺制造的丙烯腈-丁二烯-苯乙烯试样的弹性性能。UPS 可以无损、快速地测定弹性模量，并评估空间各个方向的机械性能。最后，将 UPS 的结果与单轴拉伸试验得出的特性进行比较，以验证 UPS 作为测定聚合物机械特性的试验方法的有效性。无论生产工艺如何，都可以确定弹性模量与密度呈近似线性关系。此外，注塑成型样品的准静态特性与其他样品的机械特性相比，始终保持至少 10%的差异。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

3D Printing and Additive Manufacturing Materials Science-Materials Science (miscellaneous)

CiteScore

6.00

自引率

6.50%

发文量

126

期刊介绍： 3D Printing and Additive Manufacturing is a peer-reviewed journal that provides a forum for world-class research in additive manufacturing and related technologies. The Journal explores emerging challenges and opportunities ranging from new developments of processes and materials, to new simulation and design tools, and informative applications and case studies. Novel applications in new areas, such as medicine, education, bio-printing, food printing, art and architecture, are also encouraged. The Journal addresses the important questions surrounding this powerful and growing field, including issues in policy and law, intellectual property, data standards, safety and liability, environmental impact, social, economic, and humanitarian implications, and emerging business models at the industrial and consumer scales.