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首页> 美国卫生研究院文献>Micromachines >The Mechanical and Physical Properties of 3D-Printed Materials Composed of ABS-ZnO Nanocomposites and ABS-ZnO Microcomposites
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The Mechanical and Physical Properties of 3D-Printed Materials Composed of ABS-ZnO Nanocomposites and ABS-ZnO Microcomposites

机译：由ABS-ZnO纳米复合材料和ABS-ZnO微复合材料组成的3D打印材料的机械和物理性能

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In order to expand the mechanical and physical capabilities of 3D-printed structures fabricated via commercially available 3D printers, nanocomposite and microcomposite filaments were produced via melt extrusion, 3D-printed and evaluated. The scope of this work is to fabricate physically and mechanically improved nanocomposites or microcomposites for direct commercial or industrial implementation while enriching the existing literature with the methodology applied. Zinc Oxide nanoparticles (ZnO nano) and Zinc Oxide micro-sized particles (ZnO micro) were dispersed, in various concentrations, in Acrylonitrile Butadiene Styrene (ABS) matrices and printable filament of ~1.75 mm was extruded. The composite filaments were employed in a commercial 3D printer for tensile and flexion specimens’ production, according to international standards. Results showed a 14% increase in the tensile strength at 5% wt. concentration in both nanocomposite and microcomposite materials, when compared to pure ABS specimens. Furthermore, a 15.3% increase in the flexural strength was found in 0.5% wt. for ABS/ZnO nano, while an increase of 17% was found on 5% wt. ABS/ZnO micro. Comparing the two composites, it was found that the ABS/ZnO microcomposite structures had higher overall mechanical strength over ABS/ZnO nanostructures.
机译：为了扩展通过市售3D打印机制造的3D打印结构的机械和物理性能，通过熔融挤出生产纳米复合材料和微复合材料丝，进行3D打印和评估。这项工作的范围是制造物理和机械改进的纳米复合材料或微复合材料，以直接用于商业或工业实施，同时利用所采用的方法丰富现有文献。将氧化锌纳米颗粒（ZnO纳米）和氧化锌超细颗粒（ZnO微米）以各种浓度分散在丙烯腈-丁二烯-苯乙烯（ABS）基质中，挤出〜1.75 mm的可印刷长丝。根据国际标准，复合长丝在商用3D打印机中用于拉伸和弯曲试样的生产。结果表明，在5重量％时，拉伸强度增加了14％。与纯ABS样品相比，纳米复合材料和微复合材料中的浓度都较高。此外，发现0.5％wt的挠曲强度增加了15.3％。对于ABS / ZnO纳米颗粒，在5％wt。时发现增加了17％。 ABS / ZnO微。比较这两种复合材料，发现ABS / ZnO微复合结构比ABS / ZnO纳米结构具有更高的整体机械强度。

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