University of California
High entropy alloys (HEAs), consisting of five or more principal elements in similar equimolar ratios, are gaining rapid attention from the scientific community thanks to their intriguing combination of attractive mechanical properties with high thermal and chemical stability. In thin film form, HEAs exhibit potential for use as wear-resistant coatings that could endure harsh environmental conditions. Motivated in this fashion, we explore the fundamental tribological properties of HEA thin films ((VNbTaMoW)S2) on the nanoscale by way of atomic force microscopy experiments. In particular, we are able to observe connections between local film morphology and frictional behavior, opening the door to detailed studies of structure-property relationships in the nanotribology of HEA thin films.
Abstract
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Poster
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