Multimetal Research in Powder Bed Fusion: A Review

This article discusses the different forms of powder bed fusion (PBF) techniques, namely laser powder bed fusion (LPBF), electron beam powder bed fusion (EB-PBF) and large-area pulsed laser powder bed fusion (L-APBF). The challenges faced in multimetal additive manufacturing, including material comp...

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Published inMaterials Vol. 16; no. 12; p. 4287
Main Authors Yao, Liming, Ramesh, Aditya, Xiao, Zhongmin, Chen, Yang, Zhuang, Quihui
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 09.06.2023
MDPI
Subjects
3D printing
Accuracy
Additive manufacturing
Alloying elements
Alloys
Cooling
dissimilar alloys
Drying agents
Ductility
Electron beams
Functionally gradient materials
Laser sintering
Manufacturing
Mechanical properties
melt pool flow
Metal fatigue
microstructure
multimetal
Nonmetallic inclusions
Optimization
powder bed fusion
Powder beds
Powders
Pulsed lasers
Review
Strain hardening
powder bed fusion
additive manufacturing
dissimilar alloys
microstructure
melt pool flow
multimetal
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Summary:This article discusses the different forms of powder bed fusion (PBF) techniques, namely laser powder bed fusion (LPBF), electron beam powder bed fusion (EB-PBF) and large-area pulsed laser powder bed fusion (L-APBF). The challenges faced in multimetal additive manufacturing, including material compatibility, porosity, cracks, loss of alloying elements and oxide inclusions, have been extensively discussed. Solutions proposed to overcome these challenges include the optimization of printing parameters, the use of support structures, and post-processing techniques. Future research on metal composites, functionally graded materials, multi-alloy structures and materials with tailored properties are needed to address these challenges and improve the quality and reliability of the final product. The advancement of multimetal additive manufacturing can offer significant benefits for various industries.
Bibliography:ObjectType-Article-2
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These authors contributed equally to this work.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma16124287