A hot-dip galvanized alloy coating and its preparation process for overhead ground wires of transmission lines
A technology of alloy coating and overhead ground wire, which is applied in hot dip plating process, metal material coating process, coating and other directions, can solve the problems of high cost, incomplete technology, and failure to be widely promoted and applied. , to achieve the effect of low cost, strong corrosion resistance and long-term anti-corrosion life
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Embodiment 1
[0042] The transmission line tower alloy coating of the present embodiment, wherein the alloy coating is prepared from the following alloys by weight percentage:
[0043] Aluminum 5%, nickel 0.03%, lanthanum and cerium mixed rare earth 0.15%, the balance is zinc. Taking the weight loss of the salt spray test as the corrosion resistance assessment standard of the alloy coating, under the same coating thickness, the corrosion resistance of the alloy coating according to this weight percentage is 2.6 times higher than that of industrial hot-dip pure zinc.
[0044] The preparation technology of the transmission line tower alloy coating of this example comprises the following steps:
[0045] 1) Pickling and water washing plating:
[0046] Use hydrochloric acid with a concentration of 10% to pickle the plated parts before hot-dip plating, pickling time is 20 minutes, and wash with water after pickling:
[0047] 2) Assisted plating treatment
[0048] Place the steel wire obtained ...
Embodiment 2
[0055] The transmission line tower alloy coating of the present embodiment, wherein the alloy coating is prepared from the following alloys by weight percentage:
[0056] Aluminum 6%, nickel 0.02%, lanthanum and cerium mixed rare earth 0.1%, the balance is zinc. Taking the weight loss of the salt spray test as the corrosion resistance assessment standard of the alloy coating, under the condition of the same coating thickness, the corrosion resistance of the alloy coating according to this weight percentage is 2.8 times higher than that of industrial hot-dip pure zinc.
[0057] The preparation technology of the transmission line tower alloy coating of this example comprises the following steps:
[0058] 1) Pickling and water washing plating:
[0059] Use hydrochloric acid with a concentration of 15% to pickle the plated parts before hot-dip plating, pickling time is 25 minutes, and wash with water after pickling:
[0060] 2) Assisted plating treatment
[0061] Place the plated...
Embodiment 3
[0068] The transmission line tower alloy coating of the present embodiment, wherein the alloy coating is prepared from the following alloys by weight percentage:
[0069] Aluminum 3%, nickel 0.05%, lanthanum and cerium mixed rare earth 0.2%, and the balance is zinc. Taking the weight loss of the salt spray test as the corrosion resistance assessment standard of the alloy coating, under the condition of the same coating thickness, the corrosion resistance of the alloy coating according to this weight percentage is 2.3 times higher than that of industrial hot-dip pure zinc.
[0070] The preparation technology of the transmission line tower alloy coating of this example comprises the following steps:
[0071] 1) Pickling and water washing plating:
[0072] Use hydrochloric acid with a concentration of 15% to pickle the plated parts before hot-dip plating, the pickling time is 30 minutes, and wash with water after pickling:
[0073] 2) Assisted plating treatment
[0074] The pl...
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