October_AMP_Digital

56 44 ASM NEWS The latest news about ASM members, chapters, events, awards, conferences, affiliates, and other Society activities. PARTICULATE-REINFORCED POLYMER MATRIX COMPOSITES: TRIBOLOGICAL BEHAVIOR AND 3D PRINTING BY FUSED FILAMENT FABRICATION Surojit Gupta, Michael C. Halbig, and Mrityunjay Singh A brief literature review and case study explore the effect of particulate reinforcements and processing parameters on the tribological behavior of polymer matrix composites made by 3D printing via fused filament fabrication. 12 A D V A N C E D M A T E R I A L S & P R O C E S S E S | O C T O B E R 2 0 2 0 2 A 3D-printed shrouded turbine wheel (impeller) for a concentrating-solar-power plant, additively manufactured out of a high- temperature nickel alloy using an advanced VELO3D Sapphire laser powder-bed fusion system. Image courtesy of Hanwha Power Systems. On the Cover: 54 STRESS RELIEF Researchers are building robotic insects for search and rescue operations. 3D PRINTSHOP Discover how researchers are modifying the materials and processes of 3D printing.