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Multipurpose Ti-Ge series alloy with adjustable property for oral cavity and preparation method thereof

A multi-purpose, ti-ge technology, applied in the preparation of titanium alloys, non-toxic medical titanium alloys for oral prosthesis and its preparation, to achieve the effect of promoting the production of red blood cells, reducing the density and reducing the burden

Inactive Publication Date: 2011-04-20
HARBIN ENG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing technical literature has little research on Ti-Ge alloys. Based on pure titanium, we have developed a series of new oral Ti-Ge alloys that can meet various purposes by alloying methods. Based on Now propose the present invention on the basis of our scientific experiments

Method used

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  • Multipurpose Ti-Ge series alloy with adjustable property for oral cavity and preparation method thereof
  • Multipurpose Ti-Ge series alloy with adjustable property for oral cavity and preparation method thereof
  • Multipurpose Ti-Ge series alloy with adjustable property for oral cavity and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021]Example 1: Put 58.8 grams of titanium sponge with a mass of 99.7wt% and 1.2 grams of germanium grains with a mass of 99.9wt% into a water-cooled copper crucible in turn, and use a mechanical pump and a molecular pump to pump out the vacuum non-consumable arc melting furnace. Vacuum to 3×10 -4 Pa, and then poured into 99.999% pure argon gas, argon gas protection was used throughout the melting process, and the pre-placed pure titanium was smelted after the arc was started with a non-consumable tungsten electrode to further remove the oxygen in the vacuum chamber, and then the alloy of the present invention was smelted , the melting current is 500A, the melting voltage is 10V, after the alloy is completely melted, electromagnetic stirring is added for 10s-1min, the electromagnetic stirring current is 15A, the alloy ingot is turned over 180° and remelted 4 times repeatedly to obtain an alloy with uniform composition. After testing, the alloy has a tensile strength of 662MPa...

Embodiment 2

[0022] Example 2: Put 66.5 grams of titanium sponge with a mass of 99.9wt% and 3.5 grams of germanium grains with a mass of 99.99wt% into a water-cooled copper crucible in turn, and use a mechanical pump and a molecular pump to link the vacuum non-consumable arc melting furnace. Vacuum down to 1×10 -4 Pa, and then poured into 99.999% pure argon gas, argon gas protection was used throughout the melting process, and the pre-placed pure titanium was smelted after the arc was started with a non-consumable tungsten electrode to further remove the oxygen in the vacuum chamber, and then the alloy of the present invention was smelted , The melting current is 750A, the melting voltage is 15V, after the alloy is completely melted, electromagnetic stirring is added for 10s-1min, the electromagnetic stirring current is 17A, the alloy ingot is turned over 180° and remelted 5 times repeatedly to obtain an alloy with uniform composition. After testing, the tensile strength of the alloy is 74...

Embodiment 3

[0023] Example 3: 54 grams of titanium sponge with a mass of 99.7wt% and 6 grams of germanium grains with a mass of 99.99wt% were placed in a water-cooled copper crucible in turn, and a mechanical pump and a molecular pump were used to link the vacuum non-consumable arc melting furnace. Vacuum down to 1×10 -4 Pa, and then poured into 99.999% pure argon gas, argon gas protection was used throughout the melting process, and the pre-placed pure titanium was smelted after the arc was started with a non-consumable tungsten electrode to further remove the oxygen in the vacuum chamber, and then the alloy of the present invention was smelted , The melting current is 750A, the melting voltage is 15V, after the alloy is completely melted, electromagnetic stirring is added for 10s-1min, the electromagnetic stirring current is 17A, the alloy ingot is turned over 180° and remelted 6 times repeatedly to obtain an alloy with uniform composition. After testing, the tensile strength of the all...

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Abstract

The invention provides a multipurpose Ti-Ge series alloy with adjustable property for oral cavity and a preparation method thereof. The alloy with designed components is prepared from titanium sponge and germanium particles according to the mass ratio of 99-75:1-25; a Ti-Ge series alloy with uniform components is prepared by adopting a vacuum non-self-consumption melting method, wherein the melting vacuum degree is 0.1-5*10<-4>Pa under argon shielding, the melting current is 500-1,000A, and the melting voltage is 10-20V; an alloy ingot is turned for 180 DEG and repeatedly re-molten for 3-6 times; and the alloy ingot is cast by adopting vacuum differential pressure, and a bar with diameter of 3-10mm is obtained through vacuum suction casting. The titanium alloy has the characteristics of no toxicity, adjustable mechanical property, corrosion resistance, good casing property and good biocompatibility; and the preparation method is simple, and can meet the requirement for the properties of a plurality of dental prosthetic alloys of the crown, the bridge, the false tooth stent, the planting body and the like.

Description

technical field [0001] The invention relates to a titanium alloy, and the invention also relates to a preparation method of the titanium alloy. Specifically, it relates to a non-toxic medical titanium alloy for oral restoration and a preparation method thereof. Background technique [0002] At present, there are 370 million people with tooth loss and defect in my country, 3 billion dental caries, more than 100 million patients need dental implant treatment, and the aging population makes the demand for oral materials more and more. Biomedical metal materials are widely used in the repair and reconstruction of functional loss of teeth and orthopedic treatment, figure 1 The mechanical properties and uses of typical dental restorative metals currently used clinically are summarized. However, Ni-Cr alloys, Co-Cr alloys, Ni-Ti alloys, and Ni and Cr elements in stainless steel have potential carcinogenic effects, which can easily cause human allergic reactions (dry mouth, burnin...

Claims

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Application Information

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IPC IPC(8): C22C14/00C22C1/02A61L27/06
Inventor 郑玉峰李莉王本力林文娇
Owner HARBIN ENG UNIV
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