This standard specifies the quality requirements and inspection methods for nickel-cadmium diffusion coatings. It is suitable for the quality acceptance of nickel-cadmium diffusion coatings on parts (components) of aviation products, but it is not suitable for parts that cannot reach the minimum nickel layer thickness of 3 microns and whose hardness is lower than the drawing requirements after heating at 335°C.
HB 5196-1982 history
1982HB 5196-1982 Quality inspection of nickel-cadmium diffusion coating