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Researchers Look at Fatigue Response of DMLS 3D Printed Maraging Steel

Written by Paul

September 17, 2018

Known to possess superior strength and toughness without losing its malleability, maraging steel is a 3D printable, low-carbon alloy based on Martensite steel. It’s a special class of exceptionally strong steels, with applications in automotive and bicycle parts, among others, that derive their strength from precipitation of intermetallic compounds and not from carbon. Fractographic analysis of the fracture surface of sample 8.4: detail at the right side with crack initiation from a sub-surface porosity. Maraging steel is well-suited to powder bed fusion 3D printing methods, (also known as direct metal laser sintering, DMLS, laser cusing and Selective Laser Melting, SLM), which is one of the most widely used metal 3D printing techniques. But, there haven’t been many studies completed that look closely at the material’s fatigue response, which is why a group of researchers from the University of Bologna , automotive injection molding and chrome plating company Plamingo Ltd. […]

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