Structure-property relationship of nano enhanced stereolithography resin for desktop SLA 3D printer

IF 8.1 2区材料科学 Q1 ENGINEERING, MANUFACTURING

Composites Part A: Applied Science and Manufacturing Pub Date : 2016-09-01 DOI:10.1016/j.compositesa.2016.05.035

Zixiang Weng , Yu Zhou , Wenxiong Lin , T. Senthil , Lixin Wu

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引用次数: 160

Abstract

Organically modified nanofillers, including nano SiO₂, montmorillonite and attapulgite were loaded to stereolithography resin (SLR). The surface of nanofillers were modified using organic modifier of 3-(trimethoxysilyl)propyl methacrylate (γ-MPS) and (1-hexadecyl)dimethyl allyl ammonium chloride (C₁₆-DMAAC), and were characterized by FTIR and small angle XRD analysis. The morphology of nanocomposites were observed by TEM. Viscosity and curing speed of SLR nanocomposites at increasing nanofillers loading were also studied. The mechanical properties of printed samples fabricated by a home-made stereolithography apparatus (SLA) 3D printer were tested. The influence of nanoparticles on the accuracy was measured and discussed. It was found that addition of 5% w/w of nano SiO₂ increased the tensile strength and modulus by 20.6% and 65.1% respectively, and the printed accuracy was not significantly influenced. This study opens the way to the application of nanocomposites in the desktop level SLA 3D printing.

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桌面级SLA 3D打印机用纳米增强立体光刻树脂的结构-性能关系

将纳米SiO2、蒙脱土、凹凸棒土等有机改性纳米填料装入立体光刻树脂(SLR)中。采用有机改性剂3-(三甲氧基硅基)甲基丙烯酸丙酯(γ-MPS)和(1-十六烷基)二甲基烯丙基氯化铵(C16-DMAAC)对纳米填料表面进行了改性，并用FTIR和小角XRD对其进行了表征。用透射电镜观察了纳米复合材料的形貌。研究了增加纳米填料负载时SLR纳米复合材料的粘度和固化速度。利用自制的立体光刻装置(SLA) 3D打印机对打印样品的力学性能进行了测试。测量并讨论了纳米颗粒对测量精度的影响。结果表明，添加5% w/w的纳米SiO2可使材料的拉伸强度和模量分别提高20.6%和65.1%，且对打印精度无显著影响。本研究为纳米复合材料在桌面级SLA 3D打印中的应用开辟了道路。

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

Composites Part A: Applied Science and Manufacturing 工程技术-材料科学：复合

CiteScore

15.20

自引率

5.70%

发文量

492

审稿时长

30 days

期刊介绍： Composites Part A: Applied Science and Manufacturing is a comprehensive journal that publishes original research papers, review articles, case studies, short communications, and letters covering various aspects of composite materials science and technology. This includes fibrous and particulate reinforcements in polymeric, metallic, and ceramic matrices, as well as 'natural' composites like wood and biological materials. The journal addresses topics such as properties, design, and manufacture of reinforcing fibers and particles, novel architectures and concepts, multifunctional composites, advancements in fabrication and processing, manufacturing science, process modeling, experimental mechanics, microstructural characterization, interfaces, prediction and measurement of mechanical, physical, and chemical behavior, and performance in service. Additionally, articles on economic and commercial aspects, design, and case studies are welcomed. All submissions undergo rigorous peer review to ensure they contribute significantly and innovatively, maintaining high standards for content and presentation. The editorial team aims to expedite the review process for prompt publication.