posted on 2020-09-28, 09:41authored byBarry Mooney, Kyriakos I. Kourousis
Maraging steel is an engineering alloy which has been widely employed in metal additive
manufacturing. This paper examines manufacturing and post-processing factors affecting the properties of maraging steel fabricated via laser powder bed fusion (L-PBF). It covers
the review of published research findings on how powder quality feedstock, processing
parameters, laser scan strategy, build orientation and heat treatment can influence the
microstructure, density and porosity, defects and residual stresses developed on L-PBF
maraging steel, with a focus on the maraging steel 300 alloy. This review offers an
evaluation of the resulting mechanical properties of the as-built and heat-treated
maraging steel 300, with a focus on anisotropic characteristics. Possible directions for
further research are also identified.
Funding
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