截面厚度对选择性激光烧结聚酰胺12空化行为的影响

IF 1.4 4区材料科学 Q3 MATERIALS SCIENCE, CERAMICS

Science of Sintering Pub Date : 2023-01-01 DOI:10.2298/sos230703039d

M. Dojčinović, O. Eric-Cekic, S. Ćirić‐Kostić, N. Bogojević, Vladimir Sindjelic

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引用次数: 0

摘要

本文主要研究了选择性激光烧结技术对样品的抗空化性能的影响。所有样品均由尼龙12 -聚酰胺12粉末制成，业内称为PA2200，由EOS GmbH生产。该粉末已用于构建样品，代表50%的新粉末和50%的回收粉末的混合物。在工作中，不同截面厚度的样品(0.4mm;采用超声诱导空化试验方法，研究几何形状对其空化行为的影响。测量了不同空化时间下试样的质量损失变化。利用扫描电镜(SEM)对空化损伤的形貌进行了表征。结果表明，试样的截面厚度对空化阻力有显著影响。厚度为0.4mm的样品的空化阻力最大。

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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Effect of section thickness on cavitation behaviour of selective laser sintered polyamide 12

The present study focuses on the results of cavitation resistance of samples obtained by the Selective Laser Sintering technology. All samples are made from Nylon 12 - Polyamide 12 powder, known as PA2200 in the industry, produced by EOS GmbH. The powder, which has been used for building of samples, represent mixture of 50% new powder and 50% of the recycled powder. In the work, samples with different section thicknesses (0.4mm; 0.8mm and 1.0mm) were subjected to the ultrasonically induced cavitation test method to investigate the effect of geometry on their cavitation behaviour. The change in mass loss during different cavitation times was measured on the tested samples. The morphology of cavitation damage was characterized using Scanning Electron Microscopy (SEM). Results obtained in this paper have shown that section thickness of the samples have a significant influence on the cavitation resistance. The highest cavitation resistance was obtained for the samples with 0.4mm thickness.

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来源期刊

Science of Sintering 工程技术-材料科学：硅酸盐

CiteScore

2.50

自引率

46.70%

发文量

审稿时长

3.3 months

期刊介绍： Science of Sintering is a unique journal in the field of science and technology of sintering. Science of Sintering publishes papers on all aspects of theoretical and experimental studies, which can contribute to the better understanding of the behavior of powders and similar materials during consolidation processes. Emphasis is laid on those aspects of the science of materials that are concerned with the thermodynamics, kinetics and mechanism of sintering and related processes. In accordance with the significance of disperse materials for the sintering technology, papers dealing with the question of ultradisperse powders, tribochemical activation and catalysis are also published. Science of Sintering journal is published four times a year. Types of contribution: Original research papers, Review articles, Letters to Editor, Book reviews.