Magnesium plating method for metal surface
A metal surface, magnesium plating technology, applied in the direction of metal material coating process, liquid chemical plating, coating, etc., can solve the problems of complex formula components, scratches and damages of the coating, inconvenient modulation, etc., and achieve the best repair effect, Good conductivity and uniform film effect
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Embodiment 1
[0028] The outer circle is a ф350 shell, made of magnesium alloy. After magnesium plating, the surface of the inner cavity wall is removed by machine method, and chemically coated with magnesium
[0029] The solutes of the repair solution are magnesium sulfate, thiourea, and sodium chloride, and the solvent of the repair solution is water; the volume ratio of the mass of magnesium sulfate to water is 35:1, and the unit is g / L; the mass of thiourea is related to water The volume ratio of sodium chloride is 40:1, and the unit is g / L; the mass ratio of sodium chloride to the volume of water is 6:1, and the unit is g / L.
[0030] Further, the time for the non-magnesium plating part to react with the repair solution is 40 seconds.
[0031] Further, the contact of the non-magnesium-plated part with the repair solution is implemented by coating.
[0032] Further, the heating temperature for the reaction between the magnesium-free part and the repair solution is 30° C., and the reaction time ...
Embodiment 2
[0034] The outer circle is the end cover of ф389, and the material is magnesium alloy. After magnesium plating, the surface of the outer stop is machined to remove the film, and chemically coated with magnesium
[0035] The solutes of the repair solution are magnesium sulfate, thiourea, and sodium chloride, and the solvent of the repair solution is water; the volume ratio of the mass of magnesium sulfate to water is 40:1, and the unit is g / L; the mass of thiourea and water The volume ratio is 50:1, and the unit is g / liter; the mass ratio of sodium chloride to the volume of water is 2:1, and the unit is g / liter.
[0036] Further, the time for the non-magnesium-plated part to react with the repair solution is 30 seconds.
[0037] Further, the contact of the non-magnesium-plated part with the repair solution is implemented by coating.
[0038] Further, the heating temperature for the reaction between the magnesium-free part and the repair solution is 40° C., and the reaction time is 30 ...
Embodiment 3
[0040] The outer circle is ф786 shell, made of magnesium alloy. After magnesium plating, the surface of the inner stop is machined to remove the film, and chemically coated with magnesium
[0041] The solutes of the repair solution are magnesium sulfate, thiourea, and sodium chloride, and the solvent of the repair solution is water; the volume ratio of the mass of magnesium sulfate to water is 38:1, and the unit is g / L; the mass of thiourea and water The volume ratio is 45:1, the unit is g / L; the mass ratio of sodium chloride to the volume of water is 4:1, the unit is g / L.
[0042] Further, the time for the non-magnesium plating part to react with the repair solution is 35 seconds.
[0043] Further, the contact of the non-magnesium-plated part with the repair solution is implemented by coating.
[0044] Further, the heating temperature for the reaction between the magnesium-free part and the repair solution is 36° C., and the reaction time is 35 seconds.
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