Preparing technology of Ni-Fe-P alloy-based compound coating
A technology of composite coating and preparation process, applied in the direction of coating, electrolytic coating, etc., can solve the problems of restricting the use of amorphous materials, restricting the application of amorphous materials, and failure of local adiabatic shear band fracture, so as to reduce sensitivity, The effect of high raw material utilization and improved operability and controllability
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Embodiment 1
[0029] Preparation of embodiment 1 amorphous / nanocrystalline Ni-Fe-P alloy / VC composite coating
[0030] Amorphous / nanocrystalline Ni-Fe-P alloy / VC composite coating, the substrate material is amorphous / nanocrystalline Ni-Fe-P alloy, the Ni content is 83.4wt% of the composite coating, and the Fe content is 10.6wt% of the composite coating , the P content is 5.3wt% of the composite coating, and the VC content is 0.7wt% of the composite coating.
[0031] Its electroplating process includes the following steps:
[0032] (1) Pretreatment of the metal surface to be plated: the plated material is made of No. 45 steel plate, the surface to be plated is machined successively, and then 20wt% sodium hydroxide solution is used in an ultrasonic cleaning machine to remove grease, and finally, 12wt% hydrochloric acid solution is used to remove The oxide film on the surface to be plated activates the metal surface;
[0033] (2) Activation treatment of solid particles: add 400 mesh VC parti...
Embodiment 2
[0038] In the amorphous / nanocrystalline Ni-Fe-P alloy / / TiC composite coating of this embodiment, the substrate material is an amorphous / nanocrystalline Ni-Fe-P alloy, the Ni content is 82.6wt% of the composite coating, and the Fe content is composite 8.1wt% of the coating, the P content is 7.2wt% of the composite coating, and the TiC content is 2.1wt% of the composite coating.
[0039] Its electroplating process includes the following steps:
[0040] (1) Pretreatment of the electroplating surface: Q235 steel plate is selected as the plating material, and the surface to be plated is first processed by milling, grinding, and grinding. Then, 20wt% sodium hydroxide solution is used to clean and remove grease. The oxide film on the plating surface activates the metal surface;
[0041] (2) Activation treatment of microparticles: Add 400-mesh TiC microparticles into 25wt% hydrochloric acid solution, heat to 65°C for 30min, wash with distilled water 3 times, and set aside;
[0042] ...
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