Coalescence behaviour of two metallic particles as base mechanism of selective laser sintering

被引：45

作者：

Klocke, F ^{[1
]}

Wagner, C ^{[1
]}

机构：

[1] Fraunhofer Inst Prod Technol IPT, Aachen, Germany

来源：

CIRP ANNALS-MANUFACTURING TECHNOLOGY | 2003年 / 52卷 / 01期

关键词：

laser sintering; metal powder processing; rapid manufacturing;

D O I：

10.1016/S0007-8506(07)60559-9

中图分类号：

T [工业技术];

学科分类号：

08 [工学];

摘要：

In many R&D places, the process of Selective Laser Sintering (SLS) of high performance metals is subject of investigations. An observation often made in SLS of metals is, that certain materials show a proper bonding behaviour while others tend to form welding pearls ("balling" effect). This paper aims to identify and explain process mechanisms related to this effect. The dominating physical mechanisms are investigated. In addition, it is described which material properties mainly affect the results. The attained insights are transferred to the conditions of SLS in a powder bed layer by process modelling and experimental testing.

引用

页码：177 / 180

页数：4

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