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A review of factors affecting the mechanical properties of maraging steel 300 fabricated via laser powder bed fusion

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posted on 2020-09-28, 09:41 authored by Barry 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.

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Publication

Metals;10, 1273

Publisher

MDPI

Note

peer-reviewed

Other Funding information

IRC

Language

English

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