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Nickel-chromium alloy material for false teeth and preparation method thereof

An alloy material and denture technology, which is applied in the field of denture repair materials in dentistry to achieve the effects of solving oxidation, improving various properties, and optimizing the production process

Active Publication Date: 2017-02-22
WUXI RIYUE ALLOY MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Aiming at the problem of expensive precious metal materials and harm caused by non-precious metal alloys to the human body, the applicant provides the nickel-chromium denture alloy and its preparation method with the advantages of high strength, good corrosion resistance, and less harm to the human body

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A preparation method of the nickel-chromium denture alloy material, the specific steps are:

[0018] Put high-purity Ni, Cr, Mo, Si, Fe, Al into the high-purity alumina crucible in the vacuum intermediate frequency induction furnace to melt, at a temperature of 1500 ° C, through the magnetic field stirring action of the intermediate frequency induction furnace, the alloy solution composition Uniform, detect and adjust the ratio of each component: Cr: 21%, Mo: 10%, Si: 2%, Fe: 1%, Al: 0.3%, W: 0.1%, C: 0.02%; Cu: 0.01 %; Ti: 0.01%, the rest is nickel. Keep warm for 40 minutes, then quickly pour into the mold under the protection of nitrogen, pass cooling circulating water into the mold, and quickly cool and shape.

Embodiment 2

[0020] A preparation method of the nickel-chromium denture alloy material, the specific steps are:

[0021] Put high-purity Ni, Cr, Mo, Si, Fe, Al into the high-purity alumina crucible in the vacuum intermediate frequency induction furnace to melt, at a temperature of 1600 ° C, through the magnetic field stirring action of the intermediate frequency induction furnace, the alloy solution composition Uniform, detect and adjust the ratio of each component: Cr: 22%, Mo: 11%, Si: 2.5%, Fe: 2%, Al: 0.4%, W: 0.15%, C: 0.03%; Cu: 0.015 %; Ti: 0.015%, the rest is nickel. Keep warm for 20 minutes, then quickly pour into the mold under the protection of nitrogen, pass cooling circulating water into the mold, and quickly cool and form.

Embodiment 3

[0023] A preparation method of the nickel-chromium denture alloy material, the specific steps are:

[0024] Put high-purity Ni, Cr, Mo, Si, Fe, Al into the high-purity alumina crucible in the vacuum intermediate frequency induction furnace to melt, and at a temperature of 1550°C, the alloy solution components Uniform, detect and adjust the ratio of each component: Cr: 23%, Mo: 12%, Si: 3%, Fe: 3%, Al: 0.5%, W: 0.2%, C: 0.04%; Cu: 0.02 %; Ti: 0.02%, the rest is nickel. Keep warm for 30 minutes, then quickly pour into the mold under the protection of nitrogen, pass cooling circulating water into the mold, and quickly cool and form.

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PUM

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Abstract

The invention provides a nickel-chromium alloy material for false teeth. The alloy material contains the following components by mass percent: 21-25% of Cr, 10-13% of Mo, 2-3% of Si, 2-3% of Fe, 0.3-0.5% of Al, 0.1-0.2% of W, 0.02-0.04% of C, 0.01-0.02% of Cu, 0.01-0.02% of Ti and the balance of nickel. The nickel-chromium alloy for false teeth, which is provided aiming at the problems that noble metal materials are expensive and non-noble metal alloys cause harms to human bodies, has the advantages of high strength, good corrosion resistance and little harms to human bodies.

Description

technical field [0001] The invention relates to the technical field of medical materials, in particular to a material for denture restoration in dentistry. Background technique [0002] Dentures are used for the restoration and replacement of missing, missing or dentition teeth, as well as for oral health and orthodontics. With the improvement of people's living standards and the development of stomatology, the clinical demand for high-tech oral material products has increased significantly. [0003] At present, the metals used for denture materials at home and abroad are mainly precious metal porcelain teeth, Ni-Cr alloys, Co-Cr alloys, and titanium alloys. The non-toxic, non-irritating and good biocompatibility of precious metal porcelain teeth are unanimously sought after by the industry, but the processing technology and composition ratio of this type of alloy are very particular. At present, only Germany and the United States are producing it, and its high price also m...

Claims

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Application Information

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IPC IPC(8): C22C19/05C22C1/02
CPCC22C1/023C22C19/055
Inventor 晏弘
Owner WUXI RIYUE ALLOY MATERIALS
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