Abstract
Annealing is a prevalent heat treatment process frequently employed for optimizing alloy properties. Typically, increasing annealing temperature gives rise to an improved ductility but a decreased strength. However, this work reported a synergistic increase in strength-ductility-wear resistance of Fe5Co5CrNi14Cu75 alloy via increasing the annealing temperature. Compared with the unannealed specimen, the yield strength of the specimen annealed at 1100 °C increased by 33.1%, the elongation increased by 35.3%, the coefficient of friction decreased by 10.5%, and the cross-sectional area of wear scars decreased by 33.2%. Lattice distortion induced by annealing contributed to enhancing hardness, which in turn improved the wear resistance, resulting in a transition of the wear mode from fatigue wear to abrasive wear.
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