CN101954486B - Method for preparing spherical nickel base alloy materials for manufacturing steel teeth - Google Patents
Method for preparing spherical nickel base alloy materials for manufacturing steel teeth Download PDFInfo
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- CN101954486B CN101954486B CN2010105056946A CN201010505694A CN101954486B CN 101954486 B CN101954486 B CN 101954486B CN 2010105056946 A CN2010105056946 A CN 2010105056946A CN 201010505694 A CN201010505694 A CN 201010505694A CN 101954486 B CN101954486 B CN 101954486B
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Abstract
The invention discloses a method for preparing spherical nickel base alloy materials for manufacturing steel teeth, which relates to the technical field of alloy material. The invention is characterized in that the nickel base alloy material comprises the following chemical compositions in percentage by weight: 10 to 15 percent of copper, 3 to 7 percent of chromium, 4 to 8 percent of tin, 2 to 5 percent of silicon, 0.1 to 0.5 percent of cobalt, 0.5 to 2 percent of boron, and the rest for nickel; and the method comprises the following steps: putting the chemical compositions above into a high-temperature crucible, and heating the chemical compositions in a high frequency or medium frequency furnace to melt the compositions; evenly mixing the obtained high-temperature melting liquid for 5 to 10 seconds; and pouring the high-temperature melting liquid subjected to even mixing into a cooling device to carry out centrifugal cooling treatment so as to form spherical particles (particle size: 5 to 8mm). The method is simple and the smelting process does not need to be carried out in a vacuum environment or an atmosphere protection environment by the method.
Description
Technical field
The present invention relates to technical field of alloy material, especially relate to a kind of be applicable to make the steel tooth, be the preparation method of the nickel-bass alloy material of main component with the metallic nickel.
Background technology
The steel tooth is one of at present the most frequently used artificial tooth, makes the used material of steel tooth and is mainly nickel-base alloy.The chemical composition of nickel-base alloy that is used at present to make the steel tooth both at home and abroad is various, and face shaping is also widely different, but all exists various problems.These problems mainly show: 1) complex chemical composition, and the uniformity is poor, is inconvenient to produce; 2) quality is crisp, the foundry goods easy fracture; 3) gloss dimness or light sensation are relatively poor; When 4) reusing during secondary fusion quality become fragile or tarnish, or produce defective etc.; 5) bulk that physical dimension is bigger and columned alloy material fusing difficulty are used inconvenient.
Summary of the invention
The purpose of this invention is to provide a kind of production technology and simplify, need not, and can produce the preparation method of spherical nickel-bass alloy material who is used to make the steel tooth of function admirable in vacuum environment or the melting of atmosphere protection environment.
For realizing the foregoing invention purpose, the present invention adopts following technical scheme:
The preparation method who is used to make the spherical nickel-bass alloy material of steel tooth of the present invention is characterized in that described nickel-bass alloy material chemical composition is (weight %): copper 10 ~ 15%, and chromium 3 ~ 7%, tin 4 ~ 8%, silicon 2 ~ 5%, cobalt 0.1 ~ 0.5%, boron 0.5 ~ 2%, all the other are nickel;
With the batching of above-mentioned chemical composition pack into high-temperature crucibles and in high frequency or intermediate frequency furnace heat fused; High temperature melting liquid is stirred, and mixing time is 5～10 seconds; The high temperature melting liquid that stirs poured into carry out centrifugal cooling processing in the cooling device, forming particle diameter is the spheric granules of 5 ~ 8mm.
In nickel-base alloy of the present invention, the effect of copper is to gain in strength and toughness; Adding chromium is for non-oxidizability and corrosion resistance; The viscosity that adding tin can reduce the metal industry is beneficial to casting; Silicon has deoxidation; Add cobalt and can improve intensity; Add boron and can purify crystal boundary, increase gloss.
Wherein, for the ease of fusing, the size of the material piece of batching is more little good more.And the used crucible in deposite metal requires to have good temperature resistance ability, corrosion-resistant property and heat impact strength.In order to save cost, require this crucible repeatedly to use.The purpose that stirs is in order to make each uniform component distribution of melt.According to the viscosity and the capillary characteristic of melt, adopt the centrifugal type of cooling more to be prone to make the liquid balling-up.
Technical scheme of the present invention melts nickel by different proportionings with copper, chromium, tin, silicon, cobalt and boron through experimentizing repeatedly and try out jointly, and with melt through centrifugal cooling, processed the spherical nickel-bass alloy material that is applicable to manufacturing steel tooth.Its major advantage is: 1) do not contain expensive rare metal, also do not contain poisonous element or radioactive element, cost of material is low, and product is safe in utilization; 2) production process is short, need not in vacuum environment or the melting of atmosphere protection environment, and equipment investment is little; 3) product is spherical, easy to use.
The specific embodiment
Ambrose alloy chromium tin silicon cobalt boron
A： 73.3 ?10 ?7 4 5 0.1 0.6
B： 72 ?13 ?5 6 3 ?0.5 ?0.5
C： 69 ?15 ?3 8 2.8 ?0.2 2
D： 73 ?12 4.2 ?7.7 ?2 0.3 0.8
With the batching of above-mentioned chemical composition pack into high-temperature crucibles and in high frequency or intermediate frequency furnace heat fused; High temperature melting liquid is stirred, and mixing time is 5～10 seconds; The high temperature melting liquid that stirs is poured in the centrifugal cooling device, and forming particle diameter is the spheric granules of 5 ~ 8mm.
Claims (1)
1. be used to make the preparation method of the spherical nickel-bass alloy material of steel tooth, it is characterized in that: described nickel-bass alloy material chemical composition is (weight %): copper 10 ~ 15%, and chromium 3 ~ 7%, tin 4 ~ 8%, silicon 2 ~ 5%, cobalt 0.1 ~ 0.5%, boron 0.5 ~ 2%, all the other are nickel;
With the batching of above-mentioned chemical composition pack into high-temperature crucibles and in high frequency or intermediate frequency furnace heat fused; High temperature melting liquid is stirred, and mixing time is 5～10 seconds; The high temperature melting liquid that stirs poured into carry out centrifugal cooling processing in the cooling device, forming particle diameter is the spheric granules of 5 ~ 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105056946A CN101954486B (en) | 2010-10-13 | 2010-10-13 | Method for preparing spherical nickel base alloy materials for manufacturing steel teeth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105056946A CN101954486B (en) | 2010-10-13 | 2010-10-13 | Method for preparing spherical nickel base alloy materials for manufacturing steel teeth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101954486A CN101954486A (en) | 2011-01-26 |
| CN101954486B true CN101954486B (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105056946A Expired - Fee Related CN101954486B (en) | 2010-10-13 | 2010-10-13 | Method for preparing spherical nickel base alloy materials for manufacturing steel teeth |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102978445B (en) * | 2012-11-07 | 2016-12-21 | 洛阳北苑特种陶瓷有限公司 | A kind of for baking-ceramic tooth nickel chromio-based alloy and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7166256B2 (en) * | 2002-07-13 | 2007-01-23 | J.P. Winkelstroeter Kg | Nonprecious dental casting alloy |
| CN101302596A (en) * | 2007-02-22 | 2008-11-12 | Bego布雷默戈尔德施雷格爱威尔海姆·赫伯斯特两合公司 | Veneered, low melting nickel-chrome alloy for manufacturing ceramic lined dental restorations |
| CN101693965A (en) * | 2009-10-13 | 2010-04-14 | 常熟市今日高科技材料有限公司 | Soft steel alloy material for dentistry |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5760045A (en) * | 1980-09-30 | 1982-04-10 | Taisei Shika Kogyo Kk | Nickel-chromium alloy for dental casting |
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2010
- 2010-10-13 CN CN2010105056946A patent/CN101954486B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7166256B2 (en) * | 2002-07-13 | 2007-01-23 | J.P. Winkelstroeter Kg | Nonprecious dental casting alloy |
| CN101302596A (en) * | 2007-02-22 | 2008-11-12 | Bego布雷默戈尔德施雷格爱威尔海姆·赫伯斯特两合公司 | Veneered, low melting nickel-chrome alloy for manufacturing ceramic lined dental restorations |
| CN101693965A (en) * | 2009-10-13 | 2010-04-14 | 常熟市今日高科技材料有限公司 | Soft steel alloy material for dentistry |
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| CN101954486A (en) | 2011-01-26 |
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Granted publication date: 20121128 Termination date: 20131013 |