Reducing Porosity and Refining Grains for Arc Additive Manufacturing Aluminum Alloy by Adjusting Arc Pulse Frequency and Current

Coarse grains and gas pores are two main problems that limit the application of additive manufacturing aluminum alloys. To reduce porosity and refine grains, this paper presents a quantitative investigation into the effect of pulse frequency and arc current on the porosity and grains of arc additive...

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Main Authors: Donghai Wang, Jiping Lu, Shuiyuan Tang, Lu Yu, Hongli Fan, Lei Ji, Changmeng Liu
Formato: Artigo
Idioma:Inglês
Publicado em: MDPI AG 2018-08-01
Colecção:Materials
Assuntos:
arc additive manufacturing
Al–5Si alloy
pulse frequency
arc current
microstructure
porosity
Acesso em linha:http://www.mdpi.com/1996-1944/11/8/1344
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