Preparation process of titanium-zirconium alloy applied to tooth root implant

An implant and titanium zirconium technology is applied in the field of preparation of stomatological materials, which can solve the problems of material performance decline, poor alloy uniformity, and high cost of compression molding, and achieve the effects of low impurity element content, high strength and uniform tissue.

Pending Publication Date: 2019-11-01
NANJING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In high-temperature smelting, two materials are usually mixed and placed in the crucible for smelting before the smelting starts. Due to the limitation of the position of the coil and the crucible, the difference in the melting point of the two materials will easily lead to poor uniformity of the smelted alloy, and the performance of the material will also be reduced. Dropped significantly
Powder metallurgy products usually have pores inside, and the strength of powder metallurgy products is generally lower than other methods, and the molding cost is high

Method used

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  • Preparation process of titanium-zirconium alloy applied to tooth root implant
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  • Preparation process of titanium-zirconium alloy applied to tooth root implant

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preparation example Construction

[0022] combine figure 1 , a method for preparing a titanium-zirconium alloy applied to a tooth root implant, the preparation steps are as follows:

[0023] Step 1, material preparation: remove the oxide scale layer of the titanium block and the zirconium block, and use an ultrasonic cleaning machine to clean the titanium block and the zirconium block; wherein the purity of the titanium block and the zirconium block is higher than 99.5% (wt%), and the titanium The mass percentage ranges of block and zirconium block are as follows: titanium block 85%-50% (wt%), zirconium block 15%-50% (wt%).

[0024] Step 2. Melting preparation: clean the vacuum suspension melting furnace, wipe the crucible with alcohol, place the zirconium block evenly in the crucible, and close the furnace door of the vacuum suspension melting furnace;

[0025] Step 3. Vacuumize the vacuum suspension melting furnace: first, rough vacuum the vacuum suspension melting furnace to a vacuum degree of 10 Pa, and fi...

Embodiment 1

[0032] combine figure 1 , the preparation method of the titanium-zirconium alloy applied to the root implant of the present invention, the steps are as follows:

[0033] Step 1. Preparation before smelting: mix titanium block and zirconium block with a total mass of 7kg and a mass ratio of 17:3 with a purity of 99.5%, and remove the oxide layer on it with a file or sandpaper. Ultrasonic cleaner to clean and allow to dry.

[0034] Step 2. Clean up the impurities in the furnace and the crucible of the vacuum suspension melting furnace, and clean the impurities in the crucible of the vacuum suspension melting furnace with alcohol. Place the zirconium blocks evenly in the crucible, and close the furnace door.

[0035] Step 3. Vacuuming the vacuum suspension melting furnace: first perform rough vacuuming, open the mechanical pump waterway and molecular pump waterway switch of the vacuum suspension melting furnace, and open the argon gas valve in order to discharge the air from th...

Embodiment 2

[0044]Step 1. Preparation before smelting: use pure zirconium and pure titanium with a purity of 99.5% as raw materials, mix according to a total mass of 7kg, and a mass ratio of pure titanium to pure zirconium of 6:4, clean with alcohol, and make it dry.

[0045] Step 2. Clean the melting furnace of the vacuum suspension melting furnace and the crucible of the vacuum suspension melting furnace, place pure zirconium evenly in the crucible of the vacuum suspension melting furnace, and close the furnace door of the vacuum suspension melting furnace.

[0046] Step 3. Vacuuming the vacuum suspension melting furnace: first perform rough vacuuming, open the mechanical pump waterway and molecular pump waterway switch of the vacuum suspension melting furnace, and open the argon gas valve in order to discharge the air from the air pipe connecting the argon tank and the vacuum suspension melting furnace , open the pressure reducing valve to 0.5Mpa, charge for about 7 seconds. Turn on t...

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Abstract

The invention discloses a preparation process of a titanium-zirconium alloy applied to a tooth root implant. The preparation process comprises the following steps that high-purity raw materials in batches under different heating powers are smelted by using a vacuum suspension smelting furnace under the protection of argon; and after vacuum pumping, refining, water cooling and turning ingot castingare performed, a final titanium-zirconium alloy ingot is obtained. The titanium-zirconium alloy prepared by the preparation process has the advantages of good uniformity, high purity, refined grain,excellent mechanical property and the like, and is preferably selected for the tooth root implant, and the preparation process is simple in technological process and suitable for industrial production.

Description

technical field [0001] The invention belongs to the field of preparation of stomatological materials, and in particular relates to a preparation method of a titanium-zirconium alloy applied to tooth root implants. Background technique [0002] With the continuous improvement of oral treatment technology, people's requirements for the materials required for oral treatment implant system are increasing day by day. Traditional treatment materials can no longer meet the existing requirements. For root implants, the most commonly used implant materials are metal and Bioceramics, and because titanium and its alloys have good biomedical properties, these two materials are mostly used as base materials for simple or composite implants in clinical applications. However, the original pure titanium material is not strong enough, and there is a mismatch problem with the screw and abutment material, and the titanium alloy is mainly an alloy represented by Al and V, which are harmful to t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/02C22C14/00C22C16/00A61L27/06A61L27/50
CPCA61L27/06A61L27/50A61L2430/12C22C1/02C22C14/00C22C16/00
Inventor 何勇王传婷胡雪冰郭志平马跃何源潘绪超焦俊杰郭磊方中
Owner NANJING UNIV OF SCI & TECH
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