Magnesium and magnesium alloy surface silver-plating method
A magnesium alloy and silver plating technology, which is applied in the field of magnesium alloy silver plating, can solve problems such as blistering, poor operability, and poor corrosion resistance of the coating
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Embodiment 1
[0059] A silver-plating method for magnesium and magnesium alloy materials, using eight steps including shot blasting, oil removal, activation, residual film removal, zinc immersion, cyanide copper plating, pre-silver plating and silver plating, on the surface of magnesium and magnesium alloys To realize electroplating silver, the specific operation steps are:
[0060] Step 1: The magnesium or magnesium alloy material is firstly cleaned and degreased with gasoline, organic solvent or ultrasonic wave, and then shot peened after drying or drying. The diameter of shot peening is 200 mesh; the pressure is 0.15MPa; the nozzle and magnesium Or the distance of magnesium alloy material is 150mm.
[0061] The roughness of the magnesium or magnesium alloy material used for shot peening is 3.2.
[0062] Step 2: Use JASCO S-0717 solution to further degrease the magnesium or magnesium alloy material after shot peening; the mass concentration of the chemical degreasing solution is 40g / L; t...
Embodiment 2
[0088] A silver-plating method for magnesium and magnesium alloy materials, using eight steps including shot blasting, oil removal, activation, residual film removal, zinc immersion, cyanide copper plating, pre-silver plating and silver plating, on the surface of magnesium and magnesium alloys To realize electroplating silver, the specific operation steps are:
[0089] Step 1: The magnesium or magnesium alloy material is firstly cleaned and degreased with gasoline, organic solvent or ultrasonic wave, and then shot peened after drying or drying. The diameter of shot peening is 150 mesh; the pressure is 0.10MPa; the nozzle and magnesium Or the distance of magnesium alloy material is 100mm.
[0090] The roughness of the magnesium or magnesium alloy material used for shot peening is 3.2.
[0091] Step 2: Use JASCO S-0717 solution to further degrease the magnesium or magnesium alloy material after shot peening under the action of ultrasonic waves; the concentration of the chemical...
Embodiment 3
[0117] A silver-plating method for magnesium and magnesium alloy materials, using eight steps including shot blasting, oil removal, activation, residual film removal, zinc immersion, cyanide copper plating, pre-silver plating and silver plating, on the surface of magnesium and magnesium alloys To achieve chemical silver plating, the specific operation steps are:
[0118] Step 1: The magnesium or magnesium alloy material is firstly cleaned and degreased with gasoline, organic solvent or ultrasonic wave, and then shot peened after drying or drying. The diameter of shot peening is 180 mesh; the pressure is 0.12MPa; the nozzle and magnesium Or the distance for magnesium alloy material is 130mm.
[0119] The roughness of the magnesium or magnesium alloy material used for shot peening is 5.
[0120] Step 2: Use JASCO S-0717 solution to further degrease the magnesium or magnesium alloy material after shot peening; the mass concentration of the chemical degreasing solution is 30g / L; ...
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