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首页> 外文期刊>Polymer Composites >Processing and Characterization of a Polylactic Acid/Nanoclay Composite for Laser Sintering
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Processing and Characterization of a Polylactic Acid/Nanoclay Composite for Laser Sintering

机译：用于激光烧结的聚乳酸/纳米粘土复合材料的加工与表征

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In this work, the feasibility of processing polylactic acid (PLA) and a PLA/nanoclay composite by laser sintering (LS) were investigated. The morphology of both the PLA and PLA/nanoclay powder was examined by scanning electron microscopy. LS process parameters, especially powder bed temperature, laser power, and laser scan count were studied. The effect of the addition of nanoclay on the thermal and flexural properties of LS PLA parts was examined. The results showed that PLA/nanoclay required a lower processing powder bed temperature compared with neat PLA. Under the same powder bed temperature, PLA/nanoclay parts exhibited an improvement in flexural modulus compared with neat PLA. Flexural modulus was increased significantly with double scan for both neat PLA and PLA/nanoclay LS parts. (C) 2015 Society of Plastics Engineers
机译：在这项工作中，研究了通过激光烧结（LS）加工聚乳酸（PLA）和PLA /纳米粘土复合材料的可行性。 通过扫描电子显微镜检查PLA和PLA /纳米粘土粉的形态。 LS工艺参数，尤其是粉末床温，激光功率和激光扫描计数。 研究了纳米粘土加入对LS PLA零件的热敏和弯曲性能的影响。 结果表明，与整齐的PLA相比，PLA /纳米粘土需要较低的加工粉末温度。 在相同的粉末温度下，PLA /纳米粘土零件与纯PLA相比，弯曲模量的改善。 对于整个PLA和PLA / NANOCLAY LS部件，双扫描显着增加了弯曲模量。 （c）2015年塑料工程师协会

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