Simulation of the layer-by-layer synthesis of articles with an electron beam

被引：31
|
作者：
Rudskoi, A. I. [1 ]
Kondrat'ev, S. Yu. [1 ]
Sokolov, Yu. A. [1 ]
Kopaev, V. N. [1 ]
机构：
[1] St Petersburg State Polytech Univ, St Petersburg 195251, Russia
来源：
TECHNICAL PHYSICS | 2015年 / 60卷 / 11期
关键词：
Electron Beam; Heat Source; Specific Power; Beam Power; Stefan Problem;
D O I：
10.1134/S1063784215110250
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The production of powder articles by layer-by-layer electron-beam synthesis is simulated. The following types of spatial distribution of the specific beam power over the surface of a powder layer are analyzed: truncated Gaussian distribution and beta distribution. The mathematical description of the layer-by-layer electron- beam synthesis of articles includes a model for the interaction of a scanning electron beam with an article and a model for the heat-and-mass transfer processes that occur during the formation of an article.
引用
收藏
页码：1663 / 1669
页数：7
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