Laser Sintering Technology and Balling Phenomenon.

Q2 Medicine

Photomedicine and laser surgery Pub Date : 2018-02-01 Epub Date: 2017-10-13 DOI:10.1089/pho.2017.4311

Perihan Oyar

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引用次数: 21

Abstract

Objective: The aim of this review was to evaluate the balling phenomenon which occurs typically in Selective Laser Sintering (SLS).

Background data: The balling phenomenon is a typical SLS defect, and observed in laser sintered powder, significantly reduces the quality of SLS, and hinders the further development of SLS Technology.

Methods: Electronic database searches were performed using Google Scholar. The keywords "laser sintering, selective laser sintering, direct metal laser melting, and balling phenomenon" were searched in title/abstract of publications, limited to December 31, 2016. The inclusion criteria were SLS, balling phenomenon, some alloys (such as Cr-Co, iron, stainless steel, and Cu-based alloys) mechanical properties, microstructure and bond strength between metal-ceramic crown, laboratory studies, full text, and in English language.

Results: A total of 100 articles were found the initial search and yielded a total of 50 studies, 30 of which did not fulfill the inclusion criteria and were therefore excluded. In addition, 20 studies were found by screening the reference list of all included publications. Finally, 40 studies were selected for this review.

Conclusions: The method in question is regulated by powder material characteristics and the conditions of laser processing. The procedure of formation, affecting factors, and the mechanism of the balling effect are very complex.

查看原文本刊更多论文

激光烧结技术与成球现象。

目的:探讨选择性激光烧结(SLS)中常见的成球现象。背景资料:成球现象是典型的SLS缺陷，在激光烧结粉末中观察到，严重降低了SLS质量，阻碍了SLS技术的进一步发展。方法:使用Google Scholar进行电子数据库检索。检索出版物标题/摘要中的关键词“激光烧结、选择性激光烧结、直接金属激光熔化、成球现象”，检索截止日期为2016年12月31日。收录标准包括SLS、球化现象、部分合金(如Cr-Co、铁、不锈钢、cu基合金)的力学性能、显微组织和金属-陶瓷冠之间的结合强度、实验室研究、全文和英文。结果:初始检索共检索到100篇文章，共检索到50篇研究，其中30篇不符合纳入标准，因此被排除。此外，通过筛选所有纳入出版物的参考文献表，发现了20项研究。最后，本综述选择了40项研究。结论:该方法受粉末材料特性和激光加工条件的制约。成球过程、影响因素和成球机理十分复杂。

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

Photomedicine and laser surgery 医学-外科

CiteScore

4.50

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Photobiomodulation, Photomedicine, and Laser Surgery (formerly Photomedicine and Laser Surgery) is the essential journal for cutting-edge advances and research in phototherapy, low-level laser therapy (LLLT), and laser medicine and surgery. The Journal delivers basic and clinical findings and procedures to improve the knowledge and application of these techniques in medicine.