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Title:

A versatile SPH modeling framework for coupled microfluid‑powder dynamics in additive manufacturing: binder jetting, material jetting, directed energy deposition and powder bed fusion

Document type:
Zeitschriftenaufsatz
Author(s):
Sebastian L. Fuchs, Patrick M. Praegla, Christian J. Cyron, Wolfgang A. Wall, Christoph Meier
Abstract:
Many additive manufacturing (AM) technologies rely on powder feedstock, which is fused to form the final part either by melting or by chemical binding with subsequent sintering. In both cases, process stability and resulting part quality depend on dynamic interactions between powder particles and a fluid phase, i.e., molten metal or liquid binder. The present work proposes a versatile computational modeling framework for simulating such coupled microfluid-powder dynamics problems involving t...     »
Keywords:
Additive manufacturing process simulation, Thermo-capillary two-phase flow, Coupled microfluid-powder dynamics, Thermal conduction, Phase transitions, Smoothed particle hydrodynamics
Dewey Decimal Classification:
620 Ingenieurwissenschaften
Journal title:
Engineering with Computers
Year:
2022
Covered by:
Scopus
Reviewed:
ja
Language:
en
Fulltext / DOI:
doi:https://doi.org/10.1007/s00366-022-01724-4
Publisher:
Springer
Status:
Verlagsversion / published
Submitted:
22.01.2022
Accepted:
18.07.2022
Date of publication:
13.09.2022
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