Fig. 1. Schematic of overlap rate

Fig. 2. Macroscopic morphology of cladding layers with different overlap rates under ultrasonic vibration. (a) 66%; (b) 50%; (c) 33%

Fig. 3. Comparison of macroscopic morphology of cladding layer at 33% overlap rate. (a) With ultrasonic vibration; (b) without ultrasonic vibration

Fig. 4. Optical micrographs of cladding layer profile with overlap rate of 33%. (a) Without ultrasonic vibration; (b) with ultrasonic vibration

Fig. 5. SEM images of cladding layer with overlap rate of 33%. (a) Without ultrasonic vibration; (b) with ultrasonic vibration

Fig. 6. Change of microhardness with overlap rate of 33%

Fig. 7. Comparison of wear resistance with overlap rate of 33%