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Titanium alloy preparation technology

A preparation process, titanium alloy technology, applied in the field of titanium alloy preparation process, can solve the problems of high energy consumption, low material yield, etc., and achieve the effect of uniform composition, high quality and shortened process flow

Inactive Publication Date: 2016-01-27
匡永刚
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AI Technical Summary

Problems solved by technology

[0006] The crucible-type vacuum induction melting method may be an effective way to solve the current conventional titanium alloy melting technology with high energy consumption and low material yield.

Method used

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Examples

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Embodiment Construction

[0018] The specific examples of the preparation process of the titanium alloy of the present invention are described as follows.

[0019] A kind of preparation technology of titanium alloy, is made of crucible type vacuum induction smelting technology and the cold-bed furnace smelting technology of titanium and titanium alloy, has following steps:

[0020] a) Prepare raw materials according to the composition of Ti-Ni-Nb alloy, and pretreat the raw materials; residual titanium materials: including residual titanium scraps and titanium scraps, which need to be of the same grade, and the processed particle size is basically the same as that of sponge titanium. After degreasing 1. Standby after deoxidizing skin treatment; the titanium sponge and alloy elements are dried in a vacuum drying oven to remove the moisture adsorbed on the surface. Drying conditions: temperature is about 120~180°C; vacuum degree is about 5Pa; holding time is 4~6 hours;

[0021] b) Put the pretreated raw ...

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Abstract

The invention discloses an efficient energy-saving short-process technology for preparing high-quality titanium alloy Ti-Ni-Nb, and provides a titanium alloy preparation technology. The novel technical process is mainly composed of a titanium and titanium alloy crucible-type vacuum induction melting (VIM) technology and a titanium and titanium alloy cold-hearth melting (CHM) technology. The VIM technology is used for primary ingot casting of titanium and titanium alloy preparation, and the electrode preparation of vacuum arc remelting (VAR) electrode arc melting alloy and primary alloy melting of a traditional preparation technology are replaced. The CHM technology is used for secondary refining of the primary titanium and titanium alloy ingot, and then the titanium and titanium alloy ingot in a required shape is prepared. By means of the efficient energy-saving titanium alloy Ti-Ni-Nb preparation technology, the alloy preparation process can be simplified, and high quality alloy ingots in various shapes can be produced.

Description

technical field [0001] The invention relates to a preparation process of a titanium alloy, which belongs to the technical field of non-ferrous metal titanium alloy materials. Background technique [0002] Titanium and titanium alloys have the advantages of high specific strength, good corrosion resistance and high heat resistance, and are widely used in various fields such as aviation and aerospace. After the Cold War, titanium and titanium alloys quickly changed from military needs to civilian use, and are mostly used in aerospace, ocean development, chemical facilities, and daily light industry. At present, titanium alloy is in the stage of transforming from the color type of "strategic materials" to the mass type of "general materials". Although titanium is the fourth richest resource after iron, aluminum, and magnesium among the world's mineral resources, it is expected to become the third practical metal after iron and aluminum, and its development and utilization pros...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/02C22C14/00
Inventor 匡永刚
Owner 匡永刚
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