CN104388791A - Dental chromium-based alloy material and preparation method thereof - Google Patents
Dental chromium-based alloy material and preparation method thereof Download PDFInfo
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- CN104388791A CN104388791A CN201410641384.5A CN201410641384A CN104388791A CN 104388791 A CN104388791 A CN 104388791A CN 201410641384 A CN201410641384 A CN 201410641384A CN 104388791 A CN104388791 A CN 104388791A
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Abstract
The invention discloses a dental chromium-based alloy material and a preparation method thereof. The dental chromium-based alloy material comprises copper, calcium, silicon, titanium, nickel, antimony, neodymium and chromium. The preparation method comprises the following steps: (1) taking the following materials in percentage by weight: 9-17 percent of copper, 5-16 percent of calcium, 3-9 percent of silicon, 4.5-9.5 percent of titanium, 8-16 percent of nickel, 3.5-8 percent of antimony, 0.3-0.9 percent of neodymium and the balance of chromium; (2) adding the materials in the step (1) into a vacuum melting furnace, heating to 960-1070 DEG C, and performing high-temperature vacuum melting; (3) reducing the temperature to 550-590 DEG C, and preserving the temperature for 2 hours; and (4) cooling to room temperature, thus obtaining the dental chromium-based alloy material.
Description
Technical field
The invention belongs to medical alloy Material Field, relate to a kind of dental alloys material and preparation method thereof, particularly relate to a kind of dental croloy material and preparation method thereof.
Background technology
Alloy material, in medical usage, needs to possess human compatibility, foreign reaction, ametaboly reaction, non-carcinogenesis, no antigen, nontoxicity.Alloy material also requires the human safety such as bioaffinity, antithrombotic possessing tissue in addition.In terms of mechanics, alloy material needs high strength, Young's modulus close to bone, can promote the mortise at interface between material and human body; Also need that there is good toughness, antifatigue and high wear resistance.In chemical, alloy material needs to possess good solidity to corrosion, erosion resistance, do not produce harmful heavy metal etc.
Dental alloy material also needs to possess comparatively good bulk properties.Common dental alloy material has titanium alloy, nickelalloy, au-alloy etc.These dental alloys materials all have certain unicity.License notification number a kind of gear division nickel-bass alloy material that has been the disclosure of the invention of CN101693965, comprising nickel is 66.4wt%, chromium 8.3wt%, copper 5.8wt%, tin 5wt%, molybdenum 4.3wt%, titanium 3.3wt%, silicon 2.8wt%, iron 1.9wt%, manganese 1.1wt%, carbon 1.1wt%.Dental alloy material is prepared after vacuum melting and vacuum pouring.But be applied in gear division to hardness and requirement of strength higher.
Summary of the invention
The technical problem solved: dental alloys material require has very good biocompatibility, higher hardness, erosion-resisting performance, the hardness of common dental alloy material and other mechanical propertys are lower, biocompatibility is also poor, therefore needs a kind of new dental croloy material and preparation method thereof.
Technical scheme: in order to solve the problem, the invention discloses a kind of dental croloy material and preparation method thereof.Described croloy material comprises the material of following weight:
Copper 9wt%-17wt%,
Calcium 5wt%-16wt%,
Silicon 3wt%-9wt%,
Titanium 4.5wt%-9.5wt%,
Nickel 8wt%-16wt%,
Antimony 3.5wt%-8wt%,
Neodymium 0.3wt%-0.9wt%,
Surplus is chromium.
Further, described a kind of dental croloy material, comprises the material of following weight:
Copper 11wt%-15wt%,
Calcium 8wt%-12wt%,
Silicon 5wt%-7wt%,
Titanium 6.5wt%-8.5wt%,
Nickel 10wt%-13wt%,
Antimony 4.5wt%-6wt%,
Neodymium 0.5wt%-0.8wt%,
Surplus is chromium.
A preparation method for dental croloy material, comprises the following steps:
(1) get according to following weight percent that copper is 9wt%-17wt%, calcium is 5wt%-16wt%, silicon is 3wt%-9wt%, titanium is 4.5wt%-9.5wt%, nickel is 8wt%-16wt%, antimony is 3.5wt%-8wt%, neodymium is 0.3wt%-0.9wt%, surplus is chromium;
(2) dropped in vacuum melting furnace by the material of step (1), according to the temperature rise rate raised temperature of 30-50 DEG C/min to 960-1070 DEG C, carry out high-temperature vacuum melting, vacuum tightness is 50-400Pa, and smelting time is 4-6h;
(3) temperature is reduced to 550-590 DEG C according to the rate of temperature fall of 20-40 DEG C/min, insulation 2h;
(4) be reduced to room temperature according to the rate of temperature fall of 35-55 DEG C/min again, prepare dental croloy material.
The preparation method of described a kind of dental croloy material, raised temperature to 1020 DEG C in step (2), carries out high-temperature vacuum melting.
The preparation method of described a kind of dental croloy material, in step (2), smelting time is 5h.
The preparation method of described a kind of dental croloy material, in step (2), temperature rise rate is 40 DEG C/min.
The preparation method of described a kind of dental croloy material, reduces temperature to 570 DEG C according to the rate of temperature fall of 30 DEG C/min in step (3).
The preparation method of described a kind of dental croloy material, copper is 11wt%-15wt%, calcium is 8wt%-12wt%, silicon is 5wt%-7wt%, titanium is 6.5wt%-8.5wt%, nickel is 10wt%-13wt%, antimony is 4.5wt%-6wt%, neodymium is 0.5wt%-0.8wt%, surplus is chromium.
Beneficial effect: the Vickers' hardness of dental croloy material of the present invention, tensile strength, elongation at break are higher, also there is good erosion resistance and good biocompatibility simultaneously, nontoxicity, properties is significantly higher than common dental alloys material.In croloy material of the present invention after adding antimony and neodymium, its properties, significantly higher than the alloy material not adding antimony and neodymium, creates the performance variation of highly significant.
Embodiment
Embodiment 1
(1) get according to following weight percent that copper is 17wt%, calcium is 5wt%, silicon is 3wt%, titanium is 9.5wt%, nickel is 8wt%, antimony is 8wt%, neodymium is 0.9wt%, surplus is chromium;
(2) dropped in vacuum melting furnace by the material of step (1), according to the temperature rise rate raised temperature to 1070 DEG C of 30 DEG C/min, carry out high-temperature vacuum melting, vacuum tightness is 400Pa, and smelting time is 6h;
(3) temperature to 590 DEG C is reduced according to the rate of temperature fall of 40 DEG C/min, insulation 2h;
(4) be reduced to room temperature according to the rate of temperature fall of 55 DEG C/min again, prepare dental croloy material.
Embodiment 2
(1) get according to following weight percent that copper is 9wt%, calcium is 16wt%, silicon is 9wt%, titanium is 4.5wt%, nickel is 16wt%, antimony is 3.5wt%, neodymium is 0.3wt%, surplus is chromium;
(2) dropped in vacuum melting furnace by the material of step (1), according to the temperature rise rate raised temperature to 960 DEG C of 50 DEG C/min, carry out high-temperature vacuum melting, vacuum tightness is 50Pa, and smelting time is 4h;
(3) temperature to 550 DEG C is reduced according to the rate of temperature fall of 20 DEG C/min, insulation 2h;
(4) be reduced to room temperature according to the rate of temperature fall of 35 DEG C/min again, prepare dental croloy material.
Embodiment 3
(1) get according to following weight percent that copper is 11wt%, calcium is 8wt%, silicon is 7wt%, titanium is 8.5wt%, nickel is 13wt%, antimony is 4.5wt%, neodymium is 0.8wt%, surplus is chromium;
(2) dropped in vacuum melting furnace by the material of step (1), according to the temperature rise rate raised temperature to 960 DEG C of 30 DEG C/min, carry out high-temperature vacuum melting, vacuum tightness is 400Pa, and smelting time is 6h;
(3) temperature to 550 DEG C is reduced according to the rate of temperature fall of 20 DEG C/min, insulation 2h;
(4) be reduced to room temperature according to the rate of temperature fall of 55 DEG C/min again, prepare dental croloy material.
Embodiment 4
(1) get according to following weight percent that copper is 15wt%, calcium is 12wt%, silicon is 5wt%, titanium is 6.5wt%, nickel is 10wt%, antimony is 6wt%, neodymium is 0.5wt%, surplus is chromium;
(2) dropped in vacuum melting furnace by the material of step (1), according to the temperature rise rate raised temperature to 1070 DEG C of 50 DEG C/min, carry out high-temperature vacuum melting, vacuum tightness is 50Pa, and smelting time is 4h;
(3) temperature to 590 DEG C is reduced according to the rate of temperature fall of 40 DEG C/min, insulation 2h;
(4) be reduced to room temperature according to the rate of temperature fall of 35 DEG C/min again, prepare dental croloy material.
Embodiment 5
(1) get according to following weight percent that copper is 13wt%, calcium is 10wt%, silicon is 6wt%, titanium is 7.5wt%, nickel is 11wt%, antimony is 5wt%, neodymium is 0.6wt%, surplus is chromium;
(2) dropped in vacuum melting furnace by the material of step (1), according to the temperature rise rate raised temperature to 1020 DEG C of 30 DEG C/min, carry out high-temperature vacuum melting, vacuum tightness is 200Pa, and smelting time is 5h;
(3) temperature to 570 DEG C is reduced according to the rate of temperature fall of 30 DEG C/min, insulation 2h;
(4) be reduced to room temperature according to the rate of temperature fall of 45 DEG C/min again, prepare dental croloy material.
Comparative example 1
(1) get according to following weight percent that copper is 9wt%, calcium is 16wt%, silicon is 9wt%, titanium is 4.5wt%, nickel is 16wt%, surplus is chromium;
(2) dropped in vacuum melting furnace by the material of step (1), according to the temperature rise rate raised temperature to 960 DEG C of 50 DEG C/min, carry out high-temperature vacuum melting, vacuum tightness is 50Pa, and smelting time is 4h;
(3) temperature to 550 DEG C is reduced according to the rate of temperature fall of 20 DEG C/min, insulation 2h;
(4) be reduced to room temperature according to the rate of temperature fall of 35 DEG C/min again, prepare dental croloy material.
Comparative example 2
License notification number is the invention of CN101693965:
Nickel is 66.4wt%, chromium 8.3wt%, copper 5.8wt%, tin 5wt%, molybdenum 4.3wt%, titanium 3.3wt%, silicon 2.8wt%, iron 1.9wt%, manganese 1.1wt%, carbon 1.1wt%.Dental alloy material is prepared after vacuum melting and vacuum pouring.
The Vickers' hardness of the alloy material of embodiment 1 to 5, comparative example 1 to 2, tensile strength, elongation at break are as follows:
Dental Co-base alloy material of the present invention possesses very good Vickers' hardness, tensile strength and elongation at break.Can be used as alloy material in medical-dental material etc., improve its wearing quality.
Claims (8)
1. a dental croloy material, is characterized in that, described croloy material comprises the material of following weight:
Copper 9wt%-17wt%,
Calcium 5wt%-16wt%,
Silicon 3wt%-9wt%,
Titanium 4.5wt%-9.5wt%,
Nickel 8wt%-16wt%,
Antimony 3.5wt%-8wt%,
Neodymium 0.3wt%-0.9wt%,
Surplus is chromium.
2. a kind of dental croloy material according to claim 1, is characterized in that, described croloy material comprises the material of following weight:
Copper 11wt%-15wt%,
Calcium 8wt%-12wt%,
Silicon 5wt%-7wt%,
Titanium 6.5wt%-8.5wt%,
Nickel 10wt%-13wt%,
Antimony 4.5wt%-6wt%,
Neodymium 0.5wt%-0.8wt%,
Surplus is chromium.
3. a preparation method for dental croloy material, is characterized in that the preparation method of described croloy material comprises the following steps:
(1) get according to following weight percent that copper is 9wt%-17wt%, calcium is 5wt%-16wt%, silicon is 3wt%-9wt%, titanium is 4.5wt%-9.5wt%, nickel is 8wt%-16wt%, antimony is 3.5wt%-8wt%, neodymium is 0.3wt%-0.9wt%, surplus is chromium;
(2) dropped in vacuum melting furnace by the material of step (1), according to the temperature rise rate raised temperature of 30-50 DEG C/min to 960-1070 DEG C, carry out high-temperature vacuum melting, vacuum tightness is 50-400Pa, and smelting time is 4-6h;
(3) temperature is reduced to 550-590 DEG C according to the rate of temperature fall of 20-40 DEG C/min, insulation 2h;
(4) be reduced to room temperature according to the rate of temperature fall of 35-55 DEG C/min again, prepare dental croloy material.
4. the preparation method of a kind of dental croloy material according to claim 3, is characterized in that raised temperature to 1020 DEG C in preparation method's step (2) of described croloy material, carries out high-temperature vacuum melting.
5. the preparation method of a kind of dental croloy material according to claim 3, is characterized in that in preparation method's step (2) of described croloy material, smelting time is 5h.
6. the preparation method of a kind of dental croloy material according to claim 3, is characterized in that in preparation method's step (2) of described croloy material, temperature rise rate is 40 DEG C/min.
7. the preparation method of a kind of dental croloy material according to claim 3, is characterized in that reducing temperature to 570 DEG C according to the rate of temperature fall of 30 DEG C/min in preparation method's step (3) of described croloy material.
8. the preparation method of a kind of dental croloy material according to claim 3, is characterized in that in the preparation method of described croloy material, copper is 11wt%-15wt%, calcium is 8wt%-12wt%, silicon is 5wt%-7wt%, titanium is 6.5wt%-8.5wt%, nickel is 10wt%-13wt%, antimony is 4.5wt%-6wt%, neodymium is 0.5wt%-0.8wt%, surplus is chromium.
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| CN201410641384.5A CN104388791B (en) | 2014-11-14 | 2014-11-14 | A kind of dental chromium-base alloy material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112391566A (en) * | 2020-11-13 | 2021-02-23 | 杭州微熔科技有限公司 | Low-temperature micro-fusion welding anti-corrosion wear-resistant material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61213335A (en) * | 1985-03-18 | 1986-09-22 | Nippon Shiken Kogyo Kk | Dental ni-cr-cu casting alloy |
| DE3609132A1 (en) * | 1986-03-19 | 1987-09-24 | Winkelstroeter Dentaurum | Dental alloy |
| US20070044871A1 (en) * | 2005-08-23 | 2007-03-01 | Stinson Jonathan S | Medical devices having alloy compositions |
| DE102006002518A1 (en) * | 2006-01-13 | 2007-07-26 | Dentaurum J.P. Winkelstroeter Kg | Non-precious metal alloy contains Cr, Fe, Mo, Mn, N, Nb, Ta, and the rest Co, and the Cr content is 1-1.5 times that of Fe |
-
2014
- 2014-11-14 CN CN201410641384.5A patent/CN104388791B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61213335A (en) * | 1985-03-18 | 1986-09-22 | Nippon Shiken Kogyo Kk | Dental ni-cr-cu casting alloy |
| DE3609132A1 (en) * | 1986-03-19 | 1987-09-24 | Winkelstroeter Dentaurum | Dental alloy |
| US20070044871A1 (en) * | 2005-08-23 | 2007-03-01 | Stinson Jonathan S | Medical devices having alloy compositions |
| US20090222079A1 (en) * | 2005-08-23 | 2009-09-03 | Boston Scientific Scimed, Inc. | Medical devices having alloy compositions |
| DE102006002518A1 (en) * | 2006-01-13 | 2007-07-26 | Dentaurum J.P. Winkelstroeter Kg | Non-precious metal alloy contains Cr, Fe, Mo, Mn, N, Nb, Ta, and the rest Co, and the Cr content is 1-1.5 times that of Fe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112391566A (en) * | 2020-11-13 | 2021-02-23 | 杭州微熔科技有限公司 | Low-temperature micro-fusion welding anti-corrosion wear-resistant material and preparation method thereof |
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Effective date of registration: 20160720 Address after: 100000, Beijing, Haidian District Road, No. 5, 3, A305 Applicant after: Aojing Medicine, Sci. & Tech. Co., Ltd., Beijing Address before: 215163 Suzhou province high tech Zone Longshan Road, No. 10, Jiangsu Applicant before: Suzhou Koumei New Material Co., Ltd. |
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Address after: 100085, Beijing, Haidian District Road, No. 5, 3, A305 Patentee after: Aojing Medical Technology Co., Ltd Address before: 100000, Beijing, Haidian District Road, No. 5, 3, A305 Patentee before: Beijing Allgens Medical Science and Technology Co.,Ltd. |