Process for obtaining high-wear-resistant friction-reducing composite function nano-coating
A nano-composite, high wear-resistant technology, applied in coatings, electrolytic coatings, etc., can solve the problem of unseen patents and research papers, coatings that cannot coordinate hardness and toughness, and composites of wear resistance, friction reduction and toughness that have not yet been seen. Problems such as the market of functional coating layers, to achieve the effect of easy promotion
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Embodiment 1
[0041] Embodiment 1: The process of obtaining nickel-based nanocomposite functional electroplating layer on motorcycle engine block.
[0042]1. The main process flow: organic solvent degreasing→chemical degreasing→ultrasonic cleaning→pickling→nickel flash plating→electroplating semi-bright nickel→nickel-based nanocomposite electroplating→drying→oil immersion.
[0043] 2. Plating solution formula and process conditions for electroplating nano-composite nickel.
[0044] Nickel sulfate 370g / l
[0045] Boric acid 45g / l
[0046] Sodium chloride 15g / l
[0047] α-Al 2 o 3 Composite nano slurry 120g / l
[0048] Nano slurry additive 17g / l
[0049] Brightener 1ml / l
[0050] Wetting agent 0.5ml / l
[0051] D. k 4A / dm 2
[0052] t°C 55-65°C
[0053] pH 3.5-4
[0054] Because the cylinder body has very strict requirements on the thickness and uniformity of the coating, the present invention uses nickel-plated titanium tubes as the image-shaped posit...
Embodiment 2
[0064] Embodiment 2: The process of obtaining nickel-based nanocomposite functional electroplating layer on the chain.
[0065] 1. The main process flow: chemical degreasing → pickling → electroplating semi-bright nickel → nickel-based composite electroplating → drying → oil immersion.
[0066] 2. Plating solution formula and process conditions for electroplating nano-composite nickel:
[0067] With embodiment 1.
[0068] 3. Test results.
[0069] The electroplated chain of the present invention was tested in Chongqing Changjiang Chain Co., Ltd., and the company evaluated the plated chain of the present invention. The evaluation is now transcribed as follows:
[0070] 1) After the whole chain is nano-plated, the surface is bright and transparent, and the anti-rust process can be completely eliminated, and the anti-rust shelf life can reach more than 3 years.
[0071] 2) The coating of the nano-plated chain parts is in the range of 0.006-0.012mm, and its Vickers hardness ca...
Embodiment 3
[0074] Embodiment 3: The process of obtaining the nickel-based nanocomposite functional electroless coating on the gear.
[0075] 1. The main process flow: organic solvent degreasing → chemical degreasing → ultrasonic cleaning → pickling → nanocomposite electroless plating → drying → oil immersion.
[0076] 2. Process formula and process conditions of nano-composite functional electroless plating:
[0078] Sodium hypophosphite 30g / l
[0079] Sodium acetate 20g / l
[0080] Lactic acid 3g / l
[0081] α-Al 2 o 3 Composite nano slurry 120g / l
[0082] Sodium dodecyl sulfonate 1g / l
[0083] pH 3.7
[0084] t°C 86
[0085] time (h) 1
[0086] compressed air stirring
[0087] 3. Verify the result.
[0088] After the nanocomposite electroless plating is carried out to the gear with the present invention, the quality verification is carried out in Chongqing Qiutian Gear Co., Ltd., and the company's report on the electroplating quality verification...
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