CN104372341A - Surface strengthening method for cobalt chromium alloy or pure titanium denture support - Google Patents
Surface strengthening method for cobalt chromium alloy or pure titanium denture support Download PDFInfo
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- CN104372341A CN104372341A CN201410534111.0A CN201410534111A CN104372341A CN 104372341 A CN104372341 A CN 104372341A CN 201410534111 A CN201410534111 A CN 201410534111A CN 104372341 A CN104372341 A CN 104372341A
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
- C23C28/322—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/12—Tools for fastening artificial teeth; Holders, clamps, or stands for artificial teeth
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
- C23C14/32—Vacuum evaporation by explosion; by evaporation and subsequent ionisation of the vapours, e.g. ion-plating
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The invention provides a surface strengthening method for cobalt chromium alloy or pure titanium denture support. The method is as below: (1) polishing the cobalt chromium alloy or titanium denture support to surface roughness Ra reaching less than 0.8 mum; (2) conducting ultrasonic washing on the denture support successively in distilled water, anhydrous ethanol and acetone for 15-20 min and drying with nitrogen; (3) conducting ion nitriding on the support in an LDMC-1 type ion nitriding furnace for 1-6 h; (4) depositing pure titanium transition layer on the support for 5-8 min; and (5) depositing the titanium nitride coating for 1-4 h. According to the invention, a stable non-toxic and smooth film is formed on the surface of the cobalt chromium alloy or titanium denture support, and has the characteristics of wear resistance, good corrosion resistance and strong binding force with base material.
Description
Technical field
The present invention relates to artificial tooth material, specifically a kind of method of cochrome or surface peening of pure titanium false tooth rack.
Background technology
Cochrome and pure titanium metal all have good mechanical property, Castability energy, and the denture quality of casting with cochrome or pure titanium metal is light, thickness is little, wears Energy and comfort, therefore obtains the high praise of numerous odontologists and patient.But cochrome biocompatibility is poor, exist for a long time in oral environment complicated and changeable, electrochemistry, chemical reaction can occur, discharging the metal ion such as cobalt, chromium by corrosive nature not only affects material property, even may cause irritated grade for untoward reaction.Pure titanium has good chemical stability and biocompatibility, and surface can be formed stable and the oxide film of densification plays corrosion resistant effect at normal temperatures, but pure titanium surface abrasion resistance is poor, easily produces cut and pigment deposition.
Summary of the invention
The object of the invention is for overcoming the deficiencies in the prior art, and a kind of method of cochrome or surface peening of pure titanium false tooth rack, the denture made by the method not only has good hardness, wear resistance and erosion resistance, and it is relatively low to have cost.
Realizing the object of the invention technical scheme is:
A method for cochrome or surface peening of pure titanium false tooth rack, comprises the steps:
(1) support sanding and polishing, by cochrome or pure titanium false tooth rack, sanding and polishing is to surfaceness R
a< 0.8 μm;
(2) the support cleaning after sanding and polishing is dried up, dry up with nitrogen after the denture of having polished being put into successively distilled water, dehydrated alcohol, acetone ultrasonic cleaning 15-20min;
(3) will prop up to be placed in LDMC-1 type ion nitriding furnace and carry out ionitriding, nitriding time 1-6 hour;
(4) on support, pure ti interlayer is deposited, depositing time 5-8 minute;
(5) titanium deposition nitrogen coating, depositing time 1-4 hour.
Ionitriding described in step 3, processing parameter is in-furnace temperature is 450 ~ 560 DEG C, passes into ammonia NH by the flow velocity of 0.5L/min
3, stove internal gas pressure 2000 Pa;
The pure ti interlayer of deposition described in step 4, processing parameter is that ABS-1600 type filtered arc ion plating equipment put into by the test specimen after ionitriding, with purity be the titanium target of 99.99% for raw material, background vacuum is 8 × 10
-4pa, substrate temperature is 200 DEG C, and arc current is 70A, and ar pressure is 0.6Pa,
Titanium deposition nitrogen coating described in step 5, its processing parameter is arc current 70A, arc voltage 20V, bias voltage-200V, total gas pressure 0.8Pa, argon oxide gas ratio 1: 8.
The invention has the beneficial effects as follows: make cochrome or pure titanium false tooth rack surface form a kind of nontoxic and film of flat smooth stablized, have wear-resistant, corrosion resistance good, the feature strong with the bonding force of base material.
Embodiment
Embodiment 1:
A method for cochrome denture surface strengthening, comprises the steps:
(1) complete the making of cochrome support test specimen according to 20mm × 10mm × 2mm specification with casting, and sanding and polishing is to surfaceness R
a< 0.8 μm;
(2) dry up with nitrogen after the test specimen of having polished being put into successively distilled water, dehydrated alcohol, acetone ultrasonic cleaning 15-20min; Test specimen is placed in LDMC-1 type ion nitriding furnace again and carries out ion nitriding, in-furnace temperature is 520 DEG C, passes into ammonia NH by the flow velocity of 0.5L/min
3, stove internal gas pressure 2000 Pa, nitridation time is 6 hours;
(3) test specimen after ionitriding is put into ABS-1600 type filtered arc ion plating equipment, with purity be the titanium target of 99.99% for raw material, in order to the bonding force of reinforcing membrane base, first on nitrided case, deposit pure Ti transition layer, and last TiN coating.The processing parameter depositing pure Ti transition layer is: background vacuum is 8 × 10
-4pa, substrate temperature is 200 DEG C, and arc current is 70A, and ar pressure is 0.6Pa, and depositing time is 8min; The processing parameter of depositing TiN coating is
:arc current 70A, arc voltage 20V, bias voltage-200V, total gas pressure 0.8Pa, argon oxide gas ratio 1: 8, depositing time is 2h, obtains the cochrome denture of surface strengthening.
After above-mentioned surface strengthening, the thickness of sample nitrided case is 65 μm, and the thickness of pure titanium layer is 120nm, the thickness of TiN coating is 5 μm, and use HV-1000 type microhardness tester, load is 0.05kg, loading time is 10s, and the hardness of test rete is 1550, uses HSR-2M type to tell reciprocating friction wear testing machine, abrading-ball is SiN, and diameter is 5mm, and coasting distance is 100m, planing speed is 8.3m/s, when load is 10N, average friction coefficient is 0.715, and abrasion loss is 0.887g.
embodiment 2
A method for surface peening of pure titanium false tooth rack, comprises the steps:
(1) complete the making of pure titanium false tooth rack test specimen according to 20mm × 10mm × 2mm specification with casting, and sanding and polishing is to surfaceness R
a< 0.8 μm;
(2) dry up with nitrogen after the test specimen of having polished being put into successively distilled water, dehydrated alcohol, acetone ultrasonic cleaning 15-20min; Test specimen is placed in LDMC-1 type ion nitriding furnace again and carries out ion nitriding, in-furnace temperature is 520 DEG C, passes into ammonia NH by the flow velocity of 0.5L/min
3, stove internal gas pressure 2000 Pa, nitridation time is 2 hours;
(3) test specimen after ionitriding is put into ABS-1600 type filtered arc ion plating equipment, with purity be the titanium target of 99.99% for raw material, in order to the bonding force of reinforcing membrane base, first on nitrided case, deposit pure Ti transition layer, and last TiN coating.The processing parameter depositing pure Ti transition layer is: background vacuum is 8 × 10
-4pa, substrate temperature is 200 DEG C, and arc current is 70A, and ar pressure is 0.6Pa, and depositing time is 5min; The processing parameter of depositing TiN coating is: arc current 70A, arc voltage 20V, bias voltage-200V, total gas pressure 0.8Pa, argon oxide gas ratio 1: 8, and depositing time is 4h, obtains the pure titanium false tooth rack of surface strengthening.
After above-mentioned surface strengthening, the thickness of sample nitrided case is 21 μm, and the thickness of pure titanium layer is 80nm, the thickness of TiN coating is 12 μm, and use HV-1000 type microhardness tester, load is 0.05kg, loading time is 10s, and the hardness of test rete is 1580, uses HSR-2M type to tell reciprocating friction wear testing machine, abrading-ball is SiN, and diameter is 5mm, and coasting distance is 100m, planing speed is 8.3m/s, when load is 10N, average friction coefficient is 0.725, and abrasion loss is 0.893g.
Embodiment 3
A method for surface peening of pure titanium false tooth rack, comprises the steps:
(1) complete the making of pure titanium false tooth rack test specimen according to 20mm × 10mm × 2mm specification with casting, and sanding and polishing is to surfaceness R
a< 0.8 μm;
(2) dry up with nitrogen after the test specimen of having polished being put into successively distilled water, dehydrated alcohol, acetone ultrasonic cleaning 15-20min; Test specimen is placed in LDMC-1 type ion nitriding furnace again and carries out ion nitriding, in-furnace temperature is 520 DEG C, passes into ammonia NH by the flow velocity of 0.5L/min
3, stove internal gas pressure 2000 Pa, nitridation time is 4 hours;
(3) test specimen after ionitriding is put into ABS-1600 type filtered arc ion plating equipment, with purity be the titanium target of 99.99% for raw material, in order to the bonding force of reinforcing membrane base, first on nitrided case, deposit pure Ti transition layer, and last TiN coating.The processing parameter depositing pure Ti transition layer is: background vacuum is 8 × 10
-4pa, substrate temperature is 200 DEG C, and arc current is 70A, and ar pressure is 0.6Pa, and depositing time is 8min; The processing parameter of depositing TiN coating is: arc current 70A, arc voltage 20V, bias voltage-200V, total gas pressure 0.8Pa, argon oxide gas ratio 1: 8, and depositing time is 1h, obtains the pure titanium false tooth rack of surface strengthening.
After above-mentioned surface strengthening, the thickness of sample nitrided case is 43 μm, and the thickness of pure titanium layer is 120nm, the thickness of TiN coating is 3.2 μm, and use HV-1000 type microhardness tester, load is 0.05kg, loading time is 10s, and the hardness of test rete is 1510, uses HSR-2M type to tell reciprocating friction wear testing machine, abrading-ball is SiN, and diameter is 5mm, and coasting distance is 100m, planing speed is 8.3m/s, when load is 10N, average friction coefficient is 0.728, and abrasion loss is 0.899g.
Claims (6)
1. the method for a cochrome or surface peening of pure titanium false tooth rack is characterized in that comprising the steps:
(1) support sanding and polishing, by cochrome or pure titanium false tooth rack, sanding and polishing is to surfaceness R
a< 0.8 μm;
(2) the support cleaning after sanding and polishing is dried up, dry up with nitrogen after the denture of having polished being put into successively distilled water, dehydrated alcohol, acetone ultrasonic cleaning 15-20min;
(3) will prop up to be placed in ion nitriding furnace and carry out ionitriding, nitriding time 1-6 hour;
(4) on support, pure ti interlayer is deposited, depositing time 5-8 minute;
(5) titanium deposition nitrogen coating, depositing time 1-4 hour.
2. the method for cochrome according to claim 1 or surface peening of pure titanium false tooth rack, is characterized in that ionitriding, and processing parameter is in-furnace temperature is 450 ~ 560 DEG C, passes into ammonia NH by the flow velocity of 0.5L/min
3, stove internal gas pressure 2000 Pa.
3. the method for cochrome according to claim 1 or surface peening of pure titanium false tooth rack, it is characterized in that the pure ti interlayer of described deposition, processing parameter is that ABS-1600 type filtered arc ion plating equipment put into by the test specimen after ionitriding, with purity be the titanium target of 99.99% for raw material, background vacuum is 8 × 10
-4pa, substrate temperature is 200 DEG C, and arc current is 70A, and ar pressure is 0.6Pa.
4. the method for cochrome according to claim 1 or surface peening of pure titanium false tooth rack, it is characterized in that described titanium deposition nitrogen coating, its processing parameter is arc current 70A, arc voltage 20V, bias voltage-200V, total gas pressure 0.8Pa, argon oxide gas ratio 1: 8.
5. with the cochrome denture of the surface strengthening of one of claim 1-4 preparation.
6. with the pure titanium false tooth rack of the surface strengthening of one of claim 1-4 preparation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410534111.0A CN104372341A (en) | 2014-10-11 | 2014-10-11 | Surface strengthening method for cobalt chromium alloy or pure titanium denture support |
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|---|---|---|---|
| CN201410534111.0A CN104372341A (en) | 2014-10-11 | 2014-10-11 | Surface strengthening method for cobalt chromium alloy or pure titanium denture support |
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| CN104372341A true CN104372341A (en) | 2015-02-25 |
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| CN201410534111.0A Pending CN104372341A (en) | 2014-10-11 | 2014-10-11 | Surface strengthening method for cobalt chromium alloy or pure titanium denture support |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149030A (en) * | 2016-08-18 | 2016-11-23 | 中国矿业大学 | A kind of electrophoretic deposition laser melting coating combined machining method of cobalt chromium porcelain artificial tooth |
| CN116145077A (en) * | 2023-04-19 | 2023-05-23 | 艾瑞森表面技术（苏州）股份有限公司 | Ion nitriding method for PVD (physical vapor deposition) pre-precipitation and composite coating |
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| CN102031482A (en) * | 2010-11-24 | 2011-04-27 | 中国矿业大学 | Surface ion nitriding method for medical CoCrMo alloy |
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| CN202263071U (en) * | 2011-09-28 | 2012-06-06 | 尹路 | False tooth bracket |
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2014
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| CN201850306U (en) * | 2010-08-17 | 2011-06-01 | 中国人民解放军第四军医大学 | Mini type plasma film coating device for stomatological department |
| CN102031482A (en) * | 2010-11-24 | 2011-04-27 | 中国矿业大学 | Surface ion nitriding method for medical CoCrMo alloy |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149030A (en) * | 2016-08-18 | 2016-11-23 | 中国矿业大学 | A kind of electrophoretic deposition laser melting coating combined machining method of cobalt chromium porcelain artificial tooth |
| CN106149030B (en) * | 2016-08-18 | 2018-12-14 | 中国矿业大学 | A kind of electrophoretic deposition-laser melting coating combined machining method of cobalt chromium porcelain artificial tooth |
| CN116145077A (en) * | 2023-04-19 | 2023-05-23 | 艾瑞森表面技术（苏州）股份有限公司 | Ion nitriding method for PVD (physical vapor deposition) pre-precipitation and composite coating |
| CN116145077B (en) * | 2023-04-19 | 2023-08-08 | 艾瑞森表面技术（苏州）股份有限公司 | Ion nitriding method for PVD (physical vapor deposition) pre-precipitation and composite coating |
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Application publication date: 20150225 |