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Multi-Physics Modeling of Melting-Solidification Characteristics in Laser Powder Bed Fusion Process of 316L Stainless Steel.
Shan, Xiuyang; Pan, Zhenggao; Gao, Mengdi; Han, Lu; Choi, Joon-Phil; Zhang, Haining.
Afiliación
  • Shan X; School of Mechanical and Electronic Engineering, Suzhou University, Suzhou 234000, China.
  • Pan Z; School of Information Engineering, Suzhou University, Suzhou 234000, China.
  • Gao M; School of Mechanical and Electronic Engineering, Suzhou University, Suzhou 234000, China.
  • Han L; School of Mechanical and Electronic Engineering, Suzhou University, Suzhou 234000, China.
  • Choi JP; Department of 3D Printing, Korea Institute of Machinery & Materials, Daejeon 34103, Republic of Korea.
  • Zhang H; School of Information Engineering, Suzhou University, Suzhou 234000, China.
Materials (Basel) ; 17(4)2024 Feb 18.
Article en En | MEDLINE | ID: mdl-38399196
ABSTRACT
In the laser powder bed fusion process, the melting-solidification characteristics of 316L stainless steel have a great effect on the workpiece quality. In this paper, a multi-physics model was constructed using the finite volume method (FVM) to simulate the melting-solidification process of a 316L powder bed via laser powder bed fusion. In this physical model, the phase change process, the influence of temperature gradient on surface tension of molten pool, and the influence of recoil pressure caused by the metal vapor on molten pool surface were considered. Using this model, the effects of laser scanning speed, hatch space, and laser power on temperature distribution, keyhole depth, and workpiece quality were studied. This study can be used to guide the optimization of process parameters, which is beneficial to the improvement of workpiece quality.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Materials (Basel) Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Suiza
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Materials (Basel) Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Suiza