Sintering mechanism and microstructure evolution of a CoCrFeNiMn high entropy alloy fabricated by metal injection molding

CoCrFeNiMn high entropy alloy samples produced by metal injection molding were sintered in different temperatures to investigate the sintering mechanism. The sintered CoCrFeNiMn samples have a matrix with FCC structure. However, a precipitate phase, which is Cr-rich and has a BCC structure different from the σ phase discovered in previous researches, is observed in all the samples sintered at different temperatures. The precipitates are...