A method for preparing an oxide composite insulating layer on a titanium alloy surface

By preparing an oxide composite insulation layer on the surface of titanium alloy, the problems of easy damage and conductivity of titanium alloy hangers are solved, achieving good insulation performance and corrosion resistance, making them suitable for electroplating hangers.

CN119753561BActive Publication Date: 2026-07-24GUANGDONG UNIV OF TECH
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Patent Information

Application Number
CN202411879765.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2026-07-24
Estimated Expiration
2044-12-19

AI Technical Summary

Technical Problem

The non-working surfaces of titanium alloy hangers are easily damaged and conductive, leading to waste of electroplating solution. Existing technologies cannot achieve effective insulation.

Method used

An oxide composite insulating layer is prepared on the surface of a titanium alloy. A porous titanium oxide layer is formed by high-temperature oxidation, and then an ultrasonic-assisted sealing treatment is performed using an organic sealing agent to form an acid-resistant oxide composite insulating layer.

Benefits of technology

It achieves good insulation and resistance to hydrochloric acid and nitric acid corrosion on the surface of titanium alloy, making it suitable for electroplating racks and reducing the waste of precious metals.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a method for preparing an oxide composite insulating layer on a titanium alloy surface and relates to the technical field of insulating material preparation. The titanium alloy is subjected to high-temperature oxidation to obtain a porous titanium oxygen layer, then the porous titanium oxygen layer is subjected to ultrasonic-assisted sealing treatment by using an organic sealing agent, and after solidification, the oxide composite insulating layer is obtained on the titanium alloy surface. The oxide composite insulating layer prepared on the titanium alloy surface has good insulating capacity in a solution environment and is resistant to hydrochloric acid and nitric acid corrosion, and has good application on a gold plating and nickel plating hanger in the watch industry.
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Citation Information

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