TY - JOUR
T1 - Processing parameters in laser powder bed fusion metal additive manufacturing
AU - Oliveira, João Pedro
AU - LaLonde, A. D.
AU - Ma, J.
N1 - JPO acknowledges Fundação para a Ciência e a Tecnologia (FCT - MCTES) for its financial support via the projects UIDB/00667/2020 and UIDB/50025/2020 .
PY - 2020/8
Y1 - 2020/8
N2 - As metallic additive manufacturing grew in sophistication, users have requested greater control over the systems, namely the ability to fully change the process parameters. The goal of this manuscript is to review the effects of major process parameters on build quality (porosity, residual stress, and composition changes) and materials properties (microstructure and microsegregation), and to serve as a guide on how these parameters may be modified to achieve specific design goals for a given part. The focus of this paper is on laser powder bed fusion, but elements can be applied to electron beam powder bed fusion or direct energy deposition techniques.
AB - As metallic additive manufacturing grew in sophistication, users have requested greater control over the systems, namely the ability to fully change the process parameters. The goal of this manuscript is to review the effects of major process parameters on build quality (porosity, residual stress, and composition changes) and materials properties (microstructure and microsegregation), and to serve as a guide on how these parameters may be modified to achieve specific design goals for a given part. The focus of this paper is on laser powder bed fusion, but elements can be applied to electron beam powder bed fusion or direct energy deposition techniques.
KW - Additive manufacturing
KW - Laser powder bed fusion
KW - Laser processing
KW - Process parameters
KW - Rapid solidification
UR - http://www.scopus.com/inward/record.url?scp=85084577206&partnerID=8YFLogxK
U2 - 10.1016/j.matdes.2020.108762
DO - 10.1016/j.matdes.2020.108762
M3 - Article
AN - SCOPUS:85084577206
SN - 0264-1275
VL - 193
JO - Materials & Design
JF - Materials & Design
M1 - 108762
ER -