The Technological Researches on Laser Cladding of K403 Supralloy by Pulse CO2 Laser
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Graphical Abstract
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Abstract
Based on CO2 laser of the pulse beam cladding Stellite alloy on K403 substrate, the effect of the peak power, pulse width, pulse frequency and scanning speed on the shape and cladding quality was investigated. The results show that with the peak power, pulse width and pulse frequency increase, or with the scanning speed decrease, the bead width, melting depth and rate dilution increase. The integrated melt interface without hot cracking can be obtained by pulse laser at high peak power.
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