The Impact Resistance of Highly Densified Metal Alloys Manufactured from Gas-Atomized Pre-Alloyed Powders
Source abstract
Abstract
With the increasing acceleration of three-dimensional (3D) printing (for example, powder bed fusion (PBF)) of metal alloys as an additive manufacturing process, a comprehensive characterization of 3D-printed materials and structures is inevitable. The purpose of this work was to test highly densified materials produced from gas-atomized pre-alloyed metallic powders, namely 316L, Ti6Al4V, AlSi10Mg, CuNi2SiCr, CoCr28Mo6, and Inconel718, under impact conditions. This was done to demonstrate the best possible performance of such materials. Optimized spark plasma sintering (SPS) parameters (pressure, temperature, heating rate, and holding time) are applied as a novel technique of powder metallurgy. The densification level, impact site (imprint) diameter and volume, and Vickers hardness were studied. The comparison of 316L stainless steel (1) sintered by the SPS process, (2) manufactured by PBF process, and (3) coated by the physical vapor deposition (PVD) process (thin layer of TiAlN) was successfully achieved.
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Research context
OpenAlex topics: Additive Manufacturing and 3D Printing Technologies · Additive Manufacturing Materials and Processes · Advanced materials and composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Mechanical and Industrial Engineering, Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia
Laboratory for Nonlinear Mechanics, Faculty of Mechanical Engineering, University of Ljubljana, Askerceva 6, SI-1000 Ljubljana, Slovenia
Erich Schmid Institute of Materials Science, Austrian Academy of Science, Jahnstraße 12, A-8700 Leoben, Austria
CBCMT, School of Mechanical Engineering, Vellore Institute of Technology, Tamil Nadu 632014, India
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