Abstract
To improve the wear resistance of A6061 plate, Fe alloy cladding layers consisting of FeAl3 intermetallic compound were synthesized by resistance seam welding with high carbon iron alloy powder (SHA). The effect of welding speed on the macrostructures, phase compositions, hardness, and wear resistance of the cladding layers were investigated. The results showed the hardness of the cladding layers were significantly improved to 455, 469, 479 and 615 HV in response to the welding speed of 0.1, 0.5, 1.0 and 1.5 m/min as compared with 60 HV of the A6061 substrate. The wear resistance of the cladding layer was also enhanced with decreasing the welding speed.
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