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Numerical study of heat transfer and phase change in a single metal particle of powder material in application to selective laser sintering

Dayal, Ram ; Gambaryan-Roisman, Tatiana ; Abele, Eberhard (2011)
Numerical study of heat transfer and phase change in a single metal particle of powder material in application to selective laser sintering.
In: Computational Thermal Sciences, 3 (3)
Article, Bibliographie

Abstract

The heat transfer and phase change induced by interaction between a spherical metal particle and pulsed laser source during liquid-phase sintering of metal powders is investigated numerically. The heat transfer model used for this study accounts for melting and resolidification occurring during heating and cooling phases of pulsed laser sintering. The particle surroundings are modeled as a continuum representing the loose powder. Evolution of temperature field and the phase change in the metal particle as well as its surroundings are discussed. The influence of laser pulse frequency, pulse duration, and powder particle size on the melting process are described.

Item Type: Article
Erschienen: 2011
Creators: Dayal, Ram ; Gambaryan-Roisman, Tatiana ; Abele, Eberhard
Type of entry: Bibliographie
Title: Numerical study of heat transfer and phase change in a single metal particle of powder material in application to selective laser sintering
Language: English
Date: 2011
Journal or Publication Title: Computational Thermal Sciences
Volume of the journal: 3
Issue Number: 3
Abstract:

The heat transfer and phase change induced by interaction between a spherical metal particle and pulsed laser source during liquid-phase sintering of metal powders is investigated numerically. The heat transfer model used for this study accounts for melting and resolidification occurring during heating and cooling phases of pulsed laser sintering. The particle surroundings are modeled as a continuum representing the loose powder. Evolution of temperature field and the phase change in the metal particle as well as its surroundings are discussed. The influence of laser pulse frequency, pulse duration, and powder particle size on the melting process are described.

Uncontrolled Keywords: pulsed laser sintering, metals, melting and resolidification, numerical simulation
Divisions: 16 Department of Mechanical Engineering
16 Department of Mechanical Engineering > Institute of Production Technology and Machine Tools (PTW)
16 Department of Mechanical Engineering > Institute for Technical Thermodynamics (TTD)
Exzellenzinitiative
Exzellenzinitiative > Clusters of Excellence
Zentrale Einrichtungen
Exzellenzinitiative > Clusters of Excellence > Center of Smart Interfaces (CSI)
Date Deposited: 29 Jul 2011 09:07
Last Modified: 09 Aug 2019 07:36
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