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首页> 外文期刊>Advances in Mechanical Engineering >Manufacturing of Porous Polycaprolactone Prepared with Different Particle Sizes and Infrared Laser Sintering Conditions: Microstructure and Mechanical Properties
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Manufacturing of Porous Polycaprolactone Prepared with Different Particle Sizes and Infrared Laser Sintering Conditions: Microstructure and Mechanical Properties

机译：不同粒径和红外激光烧结条件制备的多孔聚己内酯的制备：微观结构和力学性能

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摘要

The techniques of Rapid Prototyping, also known as Additive Manufacturing, have prompted research into methods of manufacturing polymeric materials with controlled porosity. This paper presents the characterization of the structure and mechanical properties of porous polycaprolactone (PCL) fabricated by Selective Laser Sintering (SLS) using two different particle sizes and laser processing conditions. The results of this study indicated that it is possible to control the microstructure, that is, pore size and degree of porosity, of the polycaprolactone matrix using the SLS technique, by varying the particle size and laser energy density, obtaining materials suitable for different applications, scaffolds and drug delivery and fluid mechanical devices. The specimens manufactured with smaller particles and higher laser energy density showed a higher degree of sintering, flexural modulus, and fatigue resistance when compared with the other specimens.
机译：快速成型技术，也称为增材制造，已经促使人们研究制造孔隙度可控的聚合物材料的方法。本文介绍了使用两种不同的粒径和激光加工条件，通过选择性激光烧结（SLS）制备的多孔聚己内酯（PCL）的结构和力学性能。这项研究的结果表明，使用SLS技术，通过改变粒径和激光能量密度，可以获得适用于不同应用的材料，可以控制聚己内酯基体的微观结构，即孔径和孔隙度。 ，脚手架，药物输送和流体机械设备。与其他样品相比，用较小的颗粒和较高的激光能量密度制造的样品显示出更高的烧结度，弯曲模量和抗疲劳性。

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