Preparation method of copper-nickel alloy sheet part by resin electroplating and atmosphere reduction
A technology of copper-nickel alloy and parts, which is applied in the field of production technology of metal alloy thin plate parts, can solve the problems of high processing cost and complicated process
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Embodiment 1
[0012] The production process of this example is realized like this:
[0013] The first step of substrate preparation: use 0.07mm resin fiber film, after anti-static and conductive treatment, conduct insulation coating treatment on non-electroplating parts;
[0014] The second step of electroplating: according to the required alloy element ratio Cu:Ni=1:3, perform composite electroplating, cleaning, and drying;
[0015] Step 3 Reduction: place the electroplated film on a silicon nitride backing plate, and carry out reduction treatment at 700°C for 30 minutes in a protective atmosphere of mixed gas-liquid nitrogen gas 60% and ammonia decomposition gas 40%, and then cool it out of the furnace ;
[0016] The fourth step of follow-up processing: according to the shape requirements of the part, the cutting process is carried out to make it meet the design requirements.
[0017] Test evaluation results of this example, the tensile strength of the material is 404MPa; the elongation...
Embodiment 2
[0019] The production process of this example is realized like this:
[0020] The first step of substrate preparation: use 0.085mm resin fiber film, after anti-static and conductive treatment, conduct insulation coating treatment on non-electroplating parts;
[0021] The second step of electroplating: according to the required alloy element ratio Cu:Ni=1.1:3.2, perform composite electroplating, clean and dry.
[0022] The third step of reduction: place the electroplated film on the silicon nitride backing plate, under the protective atmosphere of mixed gas-liquid nitrogen gas 60%, ammonia decomposition gas 40%, carry out reduction treatment at 750°C for 35 minutes, cool out of the furnace .
[0023] The fourth step of follow-up processing: according to the shape requirements of the part, the cutting process is carried out to make it meet the design requirements.
[0024] Test evaluation results of this example, the tensile strength of the material is 428MPa; the elongation i...
Embodiment 3
[0026] The production process of this example is realized like this:
[0027] The first step of substrate preparation: use 0.10mm resin fiber film, after anti-static and conductive treatment, conduct insulation coating treatment on non-electroplating parts;
[0028] The second step of electroplating: according to the required alloy element ratio Cu:Ni=1.2:3.5, perform composite electroplating, clean and dry.
[0029] Step 3 Reduction: place the electroplated film on a silicon nitride backing plate, and perform reduction treatment at 800°C for 40 minutes in a protective atmosphere of mixed gas—liquid nitrogen gas 60%, ammonia decomposition gas 40%, and cool baked;
[0030] The fourth step of follow-up processing: according to the shape requirements of the part, the cutting process is carried out to make it meet the design requirements.
[0031] Test evaluation results of this example, the tensile strength of the material is 418MPa; the elongation is 10.1%.
[0032] The resul...
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Abstract
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