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Process for fabricating high precision titanium and titanium alloy plates

A titanium alloy plate and a technology for the preparation process, which are applied in the field of titanium and titanium alloy processing, can solve the problems that the surface precision and roughness of titanium and titanium alloy plates cannot be mirrored, and can ensure physical and chemical properties and improve corrosion resistance. The effect of high performance and high yield

Inactive Publication Date: 2013-12-25
BAOJI XINZE TITANIUM NICKEL
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Problems solved by technology

[0003] The technical problem solved by the present invention is to provide a high-precision titanium and titanium alloy plate preparation process, which solves the problem that the surface precision and roughness of titanium and titanium alloy plates cannot achieve a mirror surface, so that the average roughness of titanium and titanium alloy plates can be achieved Up to 0.02μm-0.05μm, and when polishing, an oxide film will be formed on the surface, which can effectively improve the corrosion resistance of the plate

Method used

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  • Process for fabricating high precision titanium and titanium alloy plates
  • Process for fabricating high precision titanium and titanium alloy plates
  • Process for fabricating high precision titanium and titanium alloy plates

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Embodiment Construction

[0032] An embodiment of the present invention is described below.

[0033] The preparation process of high-precision titanium and titanium alloy plates consists of the following steps:

[0034] 1) Material selection: Industrial pure titanium sponge or titanium alloy is used as raw material; high-precision titanium and titanium alloy plates must first be strictly required in terms of ingredients in the early stage of production, because considering that this material involves medical equipment and human body parts, it is preferred to use (ELI) Industrial pure titanium sponge to ensure the internal quality of the mirror material and the gap between metal ions and the safety of non-toxic and harmless to the human body;

[0035] 2) Smelting: In order to ensure the metallographic and physical and chemical properties of the raw materials during the smelting process, three or more ingots must be used for smelting, that is, two secondary ingot smelting are done during smelting, and th...

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Abstract

The invention provides a process for fabricating high precision titanium and titanium alloy plates, employs the processes of material selection, smelting, forging, plate milling, mechanical grinding, composite electropolishing and the like, and solves the difficult problems of titanium and titanium alloy plates of which the surface can not be a mirror surface in precision and roughness, so that the average roughness of the titanium and titanium alloy plates can reach about 0.03 mu m, an oxide film can be formed on the surface during the polishing process, and the corrosion resistance of the plates can be improved effectively.

Description

technical field [0001] The invention belongs to the technical field of titanium and titanium alloy processing, and in particular relates to a high-precision titanium and titanium alloy plate preparation process. Background technique [0002] The surface roughness treatment of titanium and titanium alloy plates currently includes polishing, chemical polishing, and electrolytic polishing. Hydrofluoric acid solution, but it is difficult to choose the composition, temperature, time and other conditions of the solution. Once it is improperly selected, it will easily cause pits, the surface gloss of chemical treatment is poor, and the durability is also poor; electrolytic polishing can be polished in a short time , but it is not easy to achieve uniform mirror processing of large-area parts. Contents of the invention [0003] The technical problem solved by the present invention is to provide a high-precision titanium and titanium alloy plate preparation process, which solves th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00C25F3/26
Inventor 梁均军
Owner BAOJI XINZE TITANIUM NICKEL
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