Characterisation of laser-cladded 410 stainless steel for in situ repair of turbine blade
Dhiraj Raj,
Saikat Ranjan Maity,
Bipul Das
Abstract:Laser cladding was employed to apply a pure nickel powder coating onto 410 stainless steel turbine blade material, utilising a 50 W pulsed diode fibre laser system. Various process parameters were explored, including average laser power (20 W, 30 W, 40 W) and scanning speeds (SSs) (0.5 mm/s, 1 mm/s, 1.5 mm/s). The pulse width and frequency were fixed to 110 ns and 50 kHz, respectively. Successful deposition of nickel powder was accomplished at an average power of 40 W at various SSs. The microstructure, phase … Show more
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