Selective laser melting of tungsten carbide reinforced maraging steel composite
Type
Articles dans des revues avec comité de lectureAuthor

211915 Mechanics surfaces and materials processing [MSMP]
495033 Guangdong Institute of Education [Guangzhou]
496957 Laboratoire Interdisciplinaire Carnot de Bourgogne [Dijon] [LICB]

85714 Laboratoire de Mécanique et Procédés de Fabrication [LMPF]
128006 MECASURF [MECASURF]
211915 Mechanics surfaces and materials processing [MSMP]
303092 Arts et Métiers Paristech ENSAM Aix-en-Provence
Abstract
In this work, tungsten carbide (WC) reinforced maraging steel matrix composites were in-situ manufactured by selective laser melting (SLM) from powder mixture. The SLM processed samples presented high relative density (over 99%) with a homogenous distribution of WC. The as-fabricated surface quality of SLM processed samples was improved significantly by the addition of WC. Focused ion beam and transmission electron microscopy were employed to characterize the interfacial properties between tungsten carbide and steel matrix. The elemental analysis indicates that metallurgical bonding appears at interfacial region due to the diffusion. Tensile behavior of SLM processed maraging steel was different from their composite with several WC contents.
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