Application of molybdenum disulfide sol strengthened chemical nickel-phosphorus plating wearing layer
A technology of molybdenum disulfide and enhanced chemistry, which is applied in the direction of liquid chemical plating, coating, metal material coating technology, etc., can solve the problems of insignificant lifting effect, increased brittleness, damage and corrosion resistance, etc., and achieve the improvement of mechanical properties , Improve wear resistance, improve the effect of wear resistance
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[0021] Example 1
[0022] The medium carbon steel substrate is pickled, washed, hot alkali washed, and washed to remove the oxide layer and oil stains. A commercially available nickel-phosphorus electroless high-phosphorus plating solution with a pH of 5.2. The temperature is raised to 87°C in a water bath and kept warm. Add molybdenum disulfide sol while stirring, and calculate the concentration of molybdenum disulfide to be 0.08g / L after adding. Put the pre-treated medium carbon steel substrate into the plating solution, keep the plating solution for 2.5 hours, take it out and dry it at 200℃2 Hours of stress relief heat treatment. Test its friction and wear properties.
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[0023] Example 2
[0024] The medium carbon steel substrate is pickled, washed, hot alkali washed, and washed to remove the oxide layer and oil stains. A commercially available nickel-phosphorus electroless high-phosphorus plating solution with a pH of 5.2. The temperature is raised to 87°C in a water bath and kept warm. Add molybdenum disulfide sol while stirring, and calculate the concentration of molybdenum disulfide to be 0.02g / L after adding. Put the pre-treated medium carbon steel substrate into the plating solution, keep the plating solution for 2.5 hours, take it out, and dry it at 200℃2 Hours of stress relief heat treatment. Test its friction and wear properties.
Example Embodiment
[0025] Example 3
[0026] The medium carbon steel substrate is pickled, washed, hot alkali washed, and washed to remove the oxide layer and oil stains. A commercially available nickel-phosphorus electroless high-phosphorus plating solution with a pH of 5.2. The temperature is raised to 87°C in a water bath and kept warm. Add molybdenum disulfide sol while stirring, calculate the concentration of molybdenum disulfide to be 0.25g / L after adding, put the pre-treated medium carbon steel substrate into the plating solution, keep the plating solution for 2.5 hours, take it out, and dry it at 200℃2 Hours of stress relief heat treatment. Test its friction and wear properties.
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