Dynamic characterization of off the shelf polymer composites printed with fused deposition modeling

IF 1.3 4区 医学 Q3 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY Noise & Health Pub Date : 2023-05-25 DOI:10.3397/nc_2023_0122
Christina J. Naify, James Stephens, Aytahn Benavi
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Abstract

Fused deposition modeling (FDM) is the most common and cost effective form of additive manufacturing (AM). Due to the ubiquity of the approach, a range of off the shelf composite materials have been developed by companies, often with the goal of improving the printed part's physical appearance or increasing or decreasing the weight of the part. These composites typically have a base material of a standard FDM printed polymer, with additives such as metal particulates or lightweight filler added. This study will examine the dynamic properties of a set of off the shelf materials to characterize acoustic sound speed, complex elastic moduli, and loss. All of the materials in this study have a base material of polylactic acid (PLA) making it possible to easily print them into multi-material structures. The filler materials showed minimal impact on some viscoelastic properties but resulted in significant changes in acoustic sound speed. Characterization of this type is a critical component in development of an expanded database of material properties for use in design.
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用熔融沉积模型打印现成聚合物复合材料的动态特性
熔融沉积建模(FDM)是最常见和最具成本效益的增材制造(AM)形式。由于这种方法的普遍存在,公司已经开发了一系列现成的复合材料,通常是为了改善打印部件的物理外观或增加或减少部件的重量。这些复合材料通常具有标准FDM打印聚合物的基础材料,并添加诸如金属颗粒或轻质填料之类的添加剂。本研究将研究一组现成材料的动态特性,以表征声速、复杂弹性模量和损耗。本研究中所有的材料都有一个聚乳酸(PLA)的基础材料,这使得它们可以很容易地打印成多材料结构。填充材料对某些粘弹性性能的影响很小,但对声速的影响很大。这种类型的表征是开发用于设计的材料特性扩展数据库的关键组成部分。
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
Noise & Health
Noise & Health AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY-PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH
CiteScore
2.10
自引率
14.30%
发文量
27
审稿时长
6-12 weeks
期刊介绍: Noise and Health is the only International Journal devoted to research on all aspects of noise and its effects on human health. An inter-disciplinary journal for all professions concerned with auditory and non-auditory effects of occupational, environmental, and leisure noise. It aims to provide a forum for presentation of novel research material on a broad range of topics associated with noise pollution, its control and its detrimental effects on hearing and health. It will cover issues from basic experimental science through clinical evaluation and management, technical aspects of noise reduction systems and solutions to environmental issues relating to social and public health policy.
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