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Computational Thermal Sciences: An International Journal

Publication de 6  numéros par an

ISSN Imprimer: 1940-2503

ISSN En ligne: 1940-2554

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.5 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.3 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00017 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.28 SJR: 0.279 SNIP: 0.544 CiteScore™:: 2.5 H-Index: 22

Indexed in

HEAT TRANSFER, PHASE CHANGE, AND COALESCENCE OF PARTICLES DURING SELECTIVE LASER SINTERING OF METAL POWDERS

Volume 4, Numéro 5, 2012, pp. 411-423
DOI: 10.1615/ComputThermalScien.2012005795
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RÉSUMÉ

Flow and heat transfer during selective laser sintering of metal powder is investigated numerically. Heat transfer, melting, and resolidification, which are induced by laser irradiance and coupled with coalescence of partially melted particles, are dominant processes governing laser sintering of metal powders. The present model accounts for phase change during the laser heating and subsequent melt flow due to surface tension forces. The study is aimed to gain understanding of mechanisms governing microstructure formation during selective laser sintering. A two-dimensional boundary element model is used to solve the governing equations. The solid-liquid interface during phase change is tracked using the Stefan condition at the interface. The liquid melt formed due to melting is assumed to be viscous. The influence of process parameters on temperature field evolution, shape evolution, and densification rate is quantified and discussed.

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