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High-strength, high-plasticity and corrosion-resistant titanium alloy, preparation method thereof and application thereof

A titanium alloy, high plasticity technology, applied in the field of titanium alloys, to achieve the effects of good plasticity, cost reduction, high strength and hardness

Active Publication Date: 2016-09-07
NORTHEASTERN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There has been evidence that titanium has good biocompatibility, but other alloying elements, such as commonly used Al, V and other elements, have potential biosafety

Method used

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  • High-strength, high-plasticity and corrosion-resistant titanium alloy, preparation method thereof and application thereof
  • High-strength, high-plasticity and corrosion-resistant titanium alloy, preparation method thereof and application thereof
  • High-strength, high-plasticity and corrosion-resistant titanium alloy, preparation method thereof and application thereof

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Experimental program
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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0023] The titanium alloy of the invention is obtained by adding 2.6-4.9wt.% Cu to pure titanium. The alloying element Cu has the characteristics of low melting point and low cost, and a certain amount of impurity elements may exist in the alloy. After the alloy is forged, the mechanical properties are adjusted through a suitable heat treatment system.

[0024] The chemical compositions of the titanium alloys of the following examples are shown in Table 1.

[0025] Table 1 Titanium alloy chemical composition (wt.%)

[0026] sample

Cu

Ti

Example 1

2.6％

margin

Example 2

3.0％

margin

Example 3

3.5％

margin

Example 4

4.0％

margin

Example 5

4.5％

margin

Example 6

4.9％

margin

[0027] The preparation process of each embodiment titanium alloy is as follo...

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Abstract

The invention discloses a high-strength, high-plasticity and corrosion-resistant titanium alloy, a preparation method thereof and an application thereof. The invention belongs to the field of titanium alloy technology. According to the titanium alloy, a certain mass fraction proportion of copper (2.6-4.9%) is added into titanium, then the copper and the titanium are mixed and smelted, and after a series of heat treatment processes, dispersed titanium copper phase is precipitated on the basal body of the titanium alloy, so that an anti-microbial objective can be achieved. Moreover, the mechanical property, the corrosion property and the bio-compatibility of the titanium alloy can be improved significantly and the titanium alloy can be widely used for various kinds of titanium alloy medical instruments in the field of medical clinic such as the orthopaedics department, the stomatology department and like.

Description

technical field [0001] The invention relates to the technical field of titanium alloys, in particular to a high-strength, high-plasticity, corrosion-resistant titanium alloy and its preparation method and application. The titanium alloy can be used as a structural material or as a medical material. Background technique [0002] Titanium alloy has good mechanical properties, good corrosion resistance and good high temperature performance, and low density, so it is widely used in aerospace and other military industries, and is also widely used in the preparation of medical devices, such as surgical artificial joints. Titanium and titanium alloys are more widely used in dentistry, such as artificial tooth roots, orthodontic wire, crown bridges for molars, metal gums, trays, and jawbone implants. [0003] In conventional applications, the high price of titanium alloys, high melting temperature and difficulty in forming have become a major factor affecting the application of tit...

Claims

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Application Information

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IPC IPC(8): C22C14/00C22F1/18
CPCC22C14/00C22F1/183
Inventor 张二林李胜义任敬
Owner NORTHEASTERN UNIV
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