In this paper, we present a one-dimensional (1D) melting, evaporating, and resolidifying model describing the interaction of a scanning laser beam with a metal surface wherein the continuous and stepwise heat flux is applied. One set of 1D conduction equations, which is valid in all phases including solid, liquid, and vapor, has been developed along with two phase boundary conditions between the solid/liquid and liquid/air using an appropriate scaling law. The 1D heat equation has been solved separately in each phase using a sharp interface temperature technique based on the front tracking method. The generalized relations of nondimensional maximum melting depth, final evaporation depth, and maximum melting time related to nondimensional interaction time and heat flux factor are established.
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e-mail: haseung@hongik.ac.kr
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April 2009
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Modeling of Melting, Evaporating, and Resolidifying Procedure in Laser-Induced Metal Processing
Seungwon Shin,
Seungwon Shin
Department of Mechanical and System Design Engineering,
Hongik University
, Seoul 121-791, Korea
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Haseung Chung
Haseung Chung
Department of Mechanical and System Design Engineering,
e-mail: haseung@hongik.ac.kr
Hongik University
, Seoul 121-791, Korea
Search for other works by this author on:
Seungwon Shin
Department of Mechanical and System Design Engineering,
Hongik University
, Seoul 121-791, Korea
Haseung Chung
Department of Mechanical and System Design Engineering,
Hongik University
, Seoul 121-791, Koreae-mail: haseung@hongik.ac.kr
J. Manuf. Sci. Eng. Apr 2009, 131(2): 024501 (5 pages)
Published Online: March 17, 2009
Article history
Received:
March 5, 2008
Revised:
December 7, 2008
Published:
March 17, 2009
Citation
Shin, S., and Chung, H. (March 17, 2009). "Modeling of Melting, Evaporating, and Resolidifying Procedure in Laser-Induced Metal Processing." ASME. J. Manuf. Sci. Eng. April 2009; 131(2): 024501. https://doi.org/10.1115/1.3063654
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