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Low-cost beta titanium alloy

A β-titanium alloy, low-cost technology, applied in the field of titanium alloys, can solve the problems of rising costs, restricting promotion and application, etc., and achieve the effect of reducing manufacturing costs and having broad market prospects.

Inactive Publication Date: 2012-04-04
北京正安广泰新材料科技有限公司
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  • Abstract
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Problems solved by technology

Therefore, the commonly used β-titanium alloy contains a large number of elements that improve high-temperature performance, such as zirconium, molybdenum, vanadium, etc., which leads to increased costs and limits its popularization and application in civil applications.

Method used

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  • Low-cost beta titanium alloy

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Embodiment Construction

[0009] A low-cost β-titanium alloy of the present invention is briefly described in conjunction with specific embodiments.

[0010] The low-cost β-titanium alloy of the present invention, the titanium alloy is composed of the following components in weight percent: 1.5-4.5% of aluminum, 7-14% of chromium, 0-1.5% of iron, 0-1.5% of nickel, and 0-3% of tin , and the rest is composed of titanium and unavoidable impurities.

[0011] According to the above ratio, the alloy materials are fully mixed, pressed into consumable electrodes, melted into ingots in a vacuum electric arc furnace, and can be processed into titanium alloy products of various specifications such as rods, plates, pipes, strips, and wires. .

[0012] The titanium alloy of the invention does not contain precious metals such as zirconium, molybdenum, vanadium, etc., thereby reducing the manufacturing cost of the β titanium alloy, and its performance can also meet the needs of different industries for the β titaniu...

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Abstract

The invention discloses a low-cost beta titanium alloy composed of components of, by weight: 1.5-4.5% of aluminum, 7-14% of chromium, 0-1.5% of iron, 0-1.5% of nickel, 0-3% of tin, and balance of titanium and inevitable impurities. Essential elements of the titanium alloy provided by the invention do not include noble metals such as zirconium, molybdenum, and vanadium, such that the manufacturing cost of the beta titanium alloy is reduced. Also, the mechanical properties of the beta titanium alloy can satisfy titanium alloy mechanical property requirements of certain industries. Therefore, the market prospect of the low-cost beta titanium alloy is good.

Description

technical field [0001] The invention relates to the technical field of titanium alloys, in particular to a low-cost beta titanium alloy. Background technique [0002] β titanium alloy is mainly used in the aerospace field, and its working temperature is about 500 ℃. Therefore, the commonly used β-titanium alloy contains a large number of elements that improve high-temperature performance, such as zirconium, molybdenum, vanadium, etc., which leads to increased costs and limits its mass promotion and application in civilian applications. However, β-titanium alloys have excellent processing technology, high fracture toughness at high strength, and low tendency to hydrogen embrittlement, so the development of low-cost β-titanium alloys has great market potential. Contents of the invention [0003] In view of this, the present invention provides a class of low-cost β-titanium alloys. [0004] The low-cost beta titanium alloy of the present invention is composed of the followi...

Claims

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Application Information

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IPC IPC(8): C22C14/00
Inventor 蔡萍
Owner 北京正安广泰新材料科技有限公司
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