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The relationship among microstructure, mechanical properties, and corrosion behavior of an Al7.5Co20.5Fe24Ni24Cr24 high‐entropy alloy (HEA) is systematically studied. The as‐cast HEA consisted of a single face‐centered cubic (FCC) phase with negligible chemical inhomogeneities of Al and Ni elements, whereas the homogenized HEA displayed a single FCC supersaturated solid‐solution phase with uniform...
Herein, CoCrFeNiTi‐based multiprincipal element alloys (MPEAs) are proposed to meet the demands of high mechanical strength and corrosion resistance in additively manufactured products. Two types of MPEAs with different chemical compositions are obtained by laser powder bed fusion (LPBF) using gas‐atomized prealloyed powders. Both MPEAs as‐built products have columnar crystal structures with face‐centered...