Preparation method of corrosion-resistant cerium-containing Zn-Cu-Ti coating
A technology of zn-cu-ti and zn-cu-ti-ce is applied in the field of preparation of corrosion-resistant cerium-containing Zn-Cu-Ti coatings, which can solve the problems of unclear coating morphology and unclear influence.
Active Publication Date: 2022-04-08
JIANGSU CUMT DAZHENG SURFACE ENG TECH
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The invention discloses a preparation method of a corrosion-resistant cerium-containing Zn-Cu-Ti coating, which comprises the following steps: (1) selecting high-quality sponge titanium and pure copper particles as raw materials, proportioning according to the ratio of 1: 1, and smelting by using a vacuum electric arc smelting furnace with an electromagnetic stirring condition to prepare a Cu-50Ti intermediate alloy; (2) weighing a pure zinc block and a pure cerium block according to a mass ratio of 50: 1, and smelting by using a common resistance furnace to prepare a zinc-cerium intermediate alloy; and (3) during hot dipping, the component Zn-0. 75Cu-0. 15Ti-Ce is firstly smelted, a Zn block is firstly melted, and the Cu-50Ti intermediate alloy and the zinc-cerium intermediate alloy are put into the molten Zn block. (4) before hot dipping, the Q235 surface is subjected to auxiliary plating treatment; and (5) the hot dipping temperature is set to be 700 DEG C, after dipping is conducted for 20-30 s, the steel plate is taken out, the pulling speed is 1.5 cm/s, and the steel plate is taken out and put into ultrapure water to be cooled. The method has the advantages that on one hand, the corrosion resistance of the hot-dip Zn-Cu-Ti alloy coating is further improved through the Zn-Cu-Ti coating containing Ce; and on the other hand, the problem of optimizing the hot dipping process of the cerium-containing Zn-Cu-Ti coating is determined.
Corrosion resistantElectric arc +11
- Experimental program(5)
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