Nickel-cobalt alloy electroplating solution and electroplating method adopting same
An alloy electroplating solution and nickel plating technology, applied in the field of electroplating solution, can solve problems such as poor wear resistance, difficulty in meeting multi-directional requirements, and low hardness of nickel coating
Inactive Publication Date: 2015-12-09
WUXI QINGYANG MACHINERY MFG
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- Abstract
- Description
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Problems solved by technology
However, the nickel coating of a single metal has low hardness and poor wear resistance, which makes it difficult to meet the multi-faceted needs of the industrial field for materials
Method used
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Embodiment 1
[0019] The formula of nickel-cobalt alloy electroplating solution is as follows:
[0020] Table 1-1 Plating solution formula
[0021]
[0022] Table 1-2 brightener formula
[0023]
Embodiment 2
[0025] The formula of nickel-cobalt alloy electroplating solution is as follows:
[0026] Table 2-1 Plating solution formula
[0027]
[0028] Table 2-2 brightener formula
[0029]
Embodiment 3
[0031] The formula of nickel-cobalt alloy electroplating solution is as follows:
[0032] Table 3-1 Plating solution formula
[0033]
[0034] Table 3-2 brightener formula
[0035]
[0036]
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The invention discloses a nickel-cobalt alloy electroplating solution and an electroplating method adopting the same. The nickel-cobalt alloy electroplating solution comprises 200-250 g / L nickel sulfate, 70-100 g / L of nickel chloride, 25-40 g / L of phosphoric acid, 5-15 g / L of cobaltous sulfate, 0.5-2 ml / L of a brightener and 0.05-0.2 g / L of an emulsifier; and the brightener is a mixture of a BE nickel plating brightener, propynol ethoxylate and saccharin. Bivalent cobalt ions contained in the electroplating solution and bivalent nickel ions together deposit on the surface of a plated workpiece at a cathode, and since cobalt is introduced in a plating layer, the porosity of the plating layer is reduced, and hardness, abrasion performance and brightness of the plating layer are improved.
Description
technical field [0001] The invention relates to the technical field of electroplating solutions, in particular to a nickel-cobalt alloy electroplating solution. Background technique [0002] Electroplating is a metal electrodeposition method, which refers to the process of reducing the metal ions in the electrolyte under the action of direct current and depositing them on the surface of the workpiece to form a metal coating with certain properties. Compared with other surface treatment technologies such as coating and vapor deposition, electroplating has the advantages of fast deposition speed, uniform coating thickness, and thin coating, so it has become a common way of metal corrosion protection today. [0003] Nickel has excellent physical, chemical and mechanical properties. Nickel-coated film materials prepared by electroplating have been widely used in ten lamps, vehicles, batteries, printing and other industrial fields, playing an important role in the protection and ...
Claims
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Inventor 唐靖岚
Owner WUXI QINGYANG MACHINERY MFG
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