Magnesium alloy product surface modification treatment method
A technology of surface modification and treatment method, which is applied in the direction of metal material coating technology, etc.
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[0024] 1. Configure reagents
[0025] A. Configure degreasing solution
[0026] Weigh 80 grams of sodium hydroxide, dissolve, and then add purified water to dilute to 1 liter.
[0027] B. Configure pickling activation solution
[0028] Weigh 80 grams of 50% hydrofluoric acid and 32 grams of ethylene glycol, add a small amount of pure water and stir to fully dissolve, add pure water to dilute to 1 liter, and obtain a pickling activation solution.
[0029] C. Configure alkaline washing solution
[0030] Weigh 200-250 grams of sodium hydroxide, add a small amount of distilled water to dissolve, and then dilute to 1 liter with purified water.
[0031] D. Configure modified solution
[0032] Weigh 60-100 grams of phosphoric acid, 40-60 grams of calcium hydroxide, 1-4 grams of sodium fluoride, 2-6 grams of zinc phosphate, and 3-8 grams of sodium chloride to prepare 1 liter of solution.
[0033] 2. Take AZ91D magnesium alloy material for surface modification treatment:
[0034]...
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