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Imitated titanium processing process for magnesium alloy

A treatment process, magnesium alloy technology, applied in metal material coating process, pretreatment surface, superimposed layer plating, etc., can solve the problems of coating wear, loss of magnesium alloy metal texture and touch, etc., to achieve anti-corrosion problems, improved resistance to abrasion and scratches, metallic texture and tactile retention

Inactive Publication Date: 2008-11-26
MITAC PRECISION TECH CO LTD SHUNDE DISTRICT FOSHAN CITY
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

However, if only a single layer of thin coating is used, the coating is easy to wear during use, and the substrate will be exposed to air and corroded; if thick coating is used, the metallic texture and touch of magnesium alloy will be lost

Method used

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  • Imitated titanium processing process for magnesium alloy
  • Imitated titanium processing process for magnesium alloy

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Embodiment Construction

[0012] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0013] Take a sample magnesium alloy part, and the steps of its imitation titanium treatment are as follows:

[0014] As shown in Figure 2, first the magnesium alloy surface is pretreated to clean the magnesium alloy surface, the previous treatment steps:

[0015] The first step is cleaning; pickling is used for decontamination, which is treated with a mixed solution of nitric acid and 1g / L sulfuric acid with a mass fraction of 8%; in order to remove the residual acid solution from the previous step, the surface of the magnesium alloy is cleaned with deionized water Then use alkaline solution to adjust the surface to neutralize the acidic solution remaining on the surface of the magnesium alloy due to pickling; use a chromium-free passivator to passivate the magnesium alloy after surface adjustment, and form a chemical film to prevent surface oxidation...

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Abstract

The invention discloses a treatment process of magnesium alloy imitation titanium, the processing steps are as follows: first, the surface of the magnesium alloy is carried out pretreatment and cleaned; then, the clean surface of the magnesium alloy is painted with metal backing vanish as a base coat; then, the base coat is vacuum plated with stainless steel to lead the surface of the magnesium alloy to take on the metal luster similar to titanium. The metal luster similar to titanium is realized by the stainless steel vacuum plated on the surface of the magnesium alloy surface by the invention, which not only effectively solves the anti-corrosion problem of the magnesium alloy under thin coating condition but also reserves the metal texture and tactility of the magnesium alloy.

Description

technical field [0001] The invention relates to a magnesium alloy surface treatment process, in particular to a magnesium alloy surface imitation titanium treatment process. Background technique [0002] Magnesium alloys are relatively easy to lose electrons and undergo oxidation reactions, and the naturally formed oxide film is loose and porous, which has poor protection for the magnesium matrix, resulting in poor corrosion resistance of magnesium, and severe corrosion is prone to occur in corrosive media, so it is not suitable for most corrosive environments. [0003] Therefore, it is necessary to carry out surface treatment on magnesium alloy before use in industry, such as surface painting. However, if only a single layer of thin coating is used, the coating is easy to wear during use, causing the substrate to be exposed to air and corroded; if thick coating is used, the metallic texture and touch of the magnesium alloy will be lost. Contents of the invention [0004...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C28/00B05D7/24C23C14/14B05D3/00
Inventor 邵梅燕袁健
Owner MITAC PRECISION TECH CO LTD SHUNDE DISTRICT FOSHAN CITY
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