Abstract
In this work, a biocompatible Ti6Al4V titanium alloy was selected as a clad for a pure magnesium substrate. The laser cladding technique was used to clad Ti6Al4V alloy on the pure magnesium substrate. The 600 watts laser power, 200 mm/min scan speed, and 5 g/min powder feed were the cladding parameters. The microstructure of samples was analyzed through a scanning electron microscope (SEM), and hardness was evaluated through the Vickers microhardness test with the test load of 0.5 kg in 10 s dwell time. Wear resistance of the samples was investigated with the dry sliding pin on disk wear testing. Wear testing parameters are applied load (30 and 50 N), sliding velocity (1 and 2 m/s), and sliding distance of 1000 m. Results revealed that the microstructure contains α + β phases with Fe2O3Ti phases in the clad zone and cellular dendrites with Al12Mg17 phases in HAZ. Microhardness increased ~20 times and wear rates have reduced by 30–40% than the un-affected substrate.
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Balamurugan, K.G., Duraiselvam, M. (2023). Wear Mechanism of Laser Clad Ti6Al4V Alloy on a Pure Magnesium Substrate. In: Rajkumar, K., Jayamani, E., Ramkumar, P. (eds) Recent Advances in Materials Technologies. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-19-3895-5_25
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DOI: https://doi.org/10.1007/978-981-19-3895-5_25
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