Method for preparing nickel-based paraffin self-lubricating composite plating layer
A composite coating and self-lubricating technology, applied in coatings, electrolytic coatings, etc., can solve the problems of non-environmental protection, complicated process, and failure of lubricating oil leakage in the preparation process, and achieve simple and easy steps and processes, and good thermal stability , the effect of saving energy
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Embodiment 1
[0016] 64.80g (0.5mol) NiCl 2 , 0.5g of cetyltrimethylammonium bromide (CTAB) were dissolved in deionized water, heated to 70°C in a water bath, and 1ml of paraffin liquid was slowly added to the solution while ultrasonically stirring in a constant temperature tank, After cooling to room temperature to form an emulsion, with NiCl 2 After the solutions were mixed, the volume was fixed in a 1L volumetric flask as an electrodeposition solution, and the electrodeposition solution was a green solution with milky white suspension droplets. Cut the copper flake base into 2cm×3cm small pieces, then immerse in dilute hydrochloric acid to remove the surface oxide layer, and ultrasonically clean them in deionized water and acetone for 5 minutes each. Wires are connected after cleaning to make electrodes, which are deposited in a standard three-electrode electrochemical workstation after immersion in an electrodeposition solution. Select the initial deposition voltage -0.5V, and the dep...
Embodiment 2
[0018] 77.38g (0.5mol) NiSO 4 , 0.5g of sodium dodecylbenzenesulfonate (SDS) were dissolved in deionized water, heated to 70°C in a water bath, slowly added 1ml of paraffin liquid into the solution while ultrasonically stirring in a constant temperature tank, and cooled to After room temperature to form an emulsion, with NiSO 4 After the solutions were mixed, the volume was fixed in a 1L volumetric flask as an electrodeposition solution, and the electrodeposition solution was a green solution with milky white suspension droplets. Cut the copper flake base into 2cm×3cm small pieces, then immerse in dilute hydrochloric acid to remove the surface oxide layer, and ultrasonically clean them in deionized water and acetone for 5 minutes each. Wires are connected after cleaning to make electrodes, which are deposited in a standard three-electrode electrochemical workstation after immersion in an electrodeposition solution. Select the initial deposition voltage -0.8V, and the deposit...
Embodiment 3
[0020] Dissolve 64.56g (0.2mol) of nickel sulfamate and 1g of polyethylene glycol (PEG) in deionized water respectively, heat to 80°C in a water bath, and slowly dissolve 1ml of paraffin liquid in a constant temperature bath while stirring ultrasonically Add it into the solution, cool to room temperature to form an emulsion, mix it with nickel sulfamate solution, and set the volume in a 1L volumetric flask as an electrodeposition solution. The electrodeposition solution is a green solution with milky white suspension droplets. Cut the copper flake base into 2cm×3cm small pieces, then immerse in dilute hydrochloric acid to remove the surface oxide layer, and ultrasonically clean them in deionized water and acetone for 5 minutes each. Wires are connected after cleaning to make electrodes, which are deposited in a standard three-electrode electrochemical workstation after immersion in an electrodeposition solution. Select the initial deposition voltage -0.8V, the deposition time ...
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