CN109536804A - Tantalum alloy, diamond-like-carbon coating tantalum alloy and diamond-like-carbon coating biomedicine implantation tantalum alloy bone pawl and preparation method thereof - Google Patents
Tantalum alloy, diamond-like-carbon coating tantalum alloy and diamond-like-carbon coating biomedicine implantation tantalum alloy bone pawl and preparation method thereof Download PDFInfo
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- CN109536804A CN109536804A CN201811480776.2A CN201811480776A CN109536804A CN 109536804 A CN109536804 A CN 109536804A CN 201811480776 A CN201811480776 A CN 201811480776A CN 109536804 A CN109536804 A CN 109536804A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/02—Alloys based on vanadium, niobium, or tantalum
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/28—Bones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/02—Inorganic materials
- A61L31/022—Metals or alloys
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/08—Materials for coatings
- A61L31/082—Inorganic materials
- A61L31/084—Carbon; Graphite
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/26—Deposition of carbon only
-
- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/50—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges
- C23C16/513—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges using plasma jets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/3006—Properties of materials and coating materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00035—Other metals or alloys
- A61F2310/00131—Tantalum or Ta-based alloys
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00574—Coating or prosthesis-covering structure made of carbon, e.g. of pyrocarbon
- A61F2310/0058—Coating made of diamond or of diamond-like carbon DLC
Abstract
The invention discloses a kind of tantalum alloys and a kind of diamond-like-carbon coating biomedicine implantation tantalum alloy bone pawl and preparation method thereof.Tantalum alloy of the invention, the component including following mass percent: Al:5~6%, Zn:3~4%, Ga:3~4%, Y:2~3%, Si:1~2%, Mg:1~2%, remaining is Ta and inevitable impurity.A kind of diamond-like-carbon coating biomedicine implantation preparation method of tantalum alloy bone pawl includes the following steps: that carrying out plasma activated chemical vapour deposition deposits one layer of diamond-like-carbon coating etc. on bone pawl surface.The method of using plasma chemical vapor deposition of the present invention, one layer of fine and close diamond-like-carbon coating, which is formd, with tantalum alloy bone pawl surface in biomedical implantation fundamentally solves etching problem, the binding force of tantalum alloy and bone interface can be increased again, it prevents from generating sliding between the two, safe and reliable biomedical implant connector part is provided for human body bone repair.
Description
Technical field
The present invention relates to field of biomedicine technology more particularly to a kind of tantalum alloy, diamond-like-carbon coating tantalum alloy and
Diamond-like-carbon coating biomedicine implantation tantalum alloy bone pawl and preparation method thereof.
Background technique
Tantalum alloy has many advantages, such as that fusing point is high, steam forces down, cold-forming property is good, chemical stability is high, can be used for manufacturing
Biomedicine implantation bone pawl.In the Service Environment of human body, a large amount of acidic materials can corrode tantalum alloy matrix, make it combine
Strength reduction, while causing it finally to crack under the action of pulsating stress.Meanwhile tantalum alloy bone pawl and bone (main component
For hydroxyapatite) contact interface also will appear in conjunction with loosely slide the case where.In recent years, as tantalum alloy bone pawl exists
Extensive application in biomedical implantation field, bone pawl and bone interface generate taking place frequently for sliding and cause a large amount of fracture fractures
Serious problems, in order to guarantee the security reliability of biomedical implantation tantalum alloy bone pawl, urgent need develops one kind can either be into
One step increases tantalum alloy corrosion resistance, and can resist the biomedical implantation tantalum of tantalum alloy and bone interface generation sliding
Alloy bone pawl.
Currently, in order to make biomedical implantation under human body acidic environment avoid further corroding with tantalum alloy bone pawl, again
The binding force of bone pawl and bone interface is improved, the present invention is by plasma activated chemical vapour deposition on conventional tantalum alloy bone pawl surface
Adhere to one layer of fine and close diamond-like-carbon coating.Diamond-like-carbon coating has high rigidity, high wear resistance, low-friction coefficient, height
The good characteristic of corrosion-resistant, tissue compatible and blood compatibility can greatly improve the corrosion resistance of tantalum alloy bone pawl, simultaneously should
Hydroxyapatite in diamond-like-carbon coating and bone has preferable compatible associativity, is greatly improved bone pawl and bone
Interface binding power.This diamond-like-carbon coating makes biomedical implantation fundamentally solve corrosion with tantalum alloy bone pawl to ask
Topic, and can prevent tantalum alloy and bone interface from generating sliding.
Summary of the invention
It is an object of the present invention to be directed to the above-mentioned deficiency of the prior art, a kind of tantalum alloy and a kind of diamond-like are proposed
Carbon coating biomedicine implantation tantalum alloy bone pawl and preparation method thereof.
A kind of diamond-like-carbon coating biomedicine tantalum alloy of the invention, it is characterised in that: including following quality percentage
Several components: Al:5~6%, Zn:3~4%, Ga:3~4%, Y:2~3%, Si:1~2%, Mg:1~2%, remaining is Ta
And inevitable impurity.
A kind of diamond-like-carbon coating tantalum alloy carries out plasma activated chemical vapour deposition in its table by above-mentioned tantalum alloy
Face deposits one layer of diamond-like-carbon coating and is made.
A kind of diamond-like-carbon coating biomedicine implantation of the invention preparation method of tantalum alloy bone pawl, feature exist
In: include the following steps:
1) tantalum alloy described in claim 1 is prepared
2) the tantalum alloy plate is processed into using cutting machine and lathe by single bone pawl；
3) conventional shot-peening is carried out to bone pawl surface, remains tantalum alloy bone pawl surface non-oxidation layer；Tantalum conjunction can be improved in shot-peening
The adhesion property of golden bone pawl surface diamond-like-carbon coating；
4) conventional electrolysis degreasing is carried out；Degreasing can remove tantalum alloy bone pawl surface grease, be also beneficial to increase diamond-like
The adhesion property of carbon coating；
5) it carries out plasma activated chemical vapour deposition and deposits one layer of diamond-like-carbon coating on bone pawl surface；
6) progress is air-cooled, washes and dries, and sterilizes shipment after air-dried, aseptic packaging.
Preferably, 4~5W of discharge power of step 5) plasma chemical vapor deposition, substrate temperature 200~250
DEG C, 90~100Pa of reaction pressure, 30~40mL/min of gas flow.
Preferably, step 1) includes the following steps:
A) through mixed raw material, be pressed into smelting electrode, smelting electrode and defective material be welded into consutrode, alloying smelting,
Pour into slab；
B) roughing and finish rolling will be carried out after heating of plate blank, batch to obtain tantalum alloy material after then cooling down.
Preferably, the alloying smelting in step a) using vacuum consumable smelting furnace carry out melting, smelting temperature 2100~
2200℃。
Preferably, for heating temperature at 1600~1700 DEG C, soaking time is 110~120min in step b)；Roughing terminates
Temperature is not less than 1400 DEG C；Control finish rolling terminates temperature at 950~1000 DEG C.
Preferably, the cooling progress in step b) is section cooling, using press quenching mode, final cooling temperature 350
~400 DEG C, cooling velocity: 53~56 DEG C/s.
Preferably, the mechanical property of the tantalum alloy prepared in step 1) reaches yield strength ReL: >=500MPa, tension
Intensity Rm>=700MPa, elongation percentage A >=25%.
A kind of diamond-like-carbon coating biomedicine implantation tantalum alloy bone pawl of the invention, it is characterised in that: by right
It is required that a kind of preparation method preparation of diamond-like-carbon coating biomedicine implantation tantalum alloy bone pawl described in 2-7.
The method of using plasma chemical vapor deposition of the present invention, in biomedical implantation tantalum alloy bone pawl surface shape
At one layer of fine and close diamond-like-carbon coating；Biomedical implantation is formed by fine and close diamond-like-carbon with tantalum alloy bone pawl surface
Coating makes biomedical implantation fundamentally solve etching problem with tantalum alloy bone pawl, and can increase tantalum alloy and bone circle
The binding force in face prevents from generating sliding between the two, provides safe and reliable biomedical implantation for human body bone repair and connects
Connect device.
Specific embodiment
The following is specific embodiments of the present invention, and technical scheme of the present invention will be further described, but the present invention is not
It is limited to these embodiments.
It is prepared using following steps: diamond-like-carbon coating biomedicine implantation tantalum alloy bone of the invention
1) melting that tantalum alloy is carried out using vacuum consumable smelting furnace is welded through mixed alloy material, electrode pressing, electrode and defective material
It is connected into consutrode, alloying smelting (2100~2200 DEG C of smelting temperature), pours into slab；
2) by heating of plate blank, for heating temperature at 1600~1700 DEG C, soaking time is 110~120min；
3) roughing is carried out, and controls roughing end temp not less than 1400 DEG C；
4) finish rolling is carried out, and controls finishing temperature at 950~1000 DEG C；
5) section cooling is carried out, using press quenching mode, final cooling temperature is 350~400 DEG C, cooling velocity: 53~56
℃/s；
6) it is batched, hot-rolled sheet coil is made；
7) finishing trimming: cutting tantalum alloy plate by standard specification, and cut off flash around tantalum plate, cuts 5~10mm of surplus；
8) tantalum alloy plate is processed into using cutting machine and lathe by single bone pawl；
9) conventional shot-peening is carried out to bone pawl surface, remains tantalum alloy bone pawl surface non-oxidation layer；
10) conventional electrolysis degreasing is carried out；
11) it carries out plasma activated chemical vapour deposition and deposits one layer of diamond-like-carbon coating, discharge power 4 on bone pawl surface
~5W, 200~250 DEG C of substrate temperature, 90~100Pa of reaction pressure, 30~40ml/min of gas flow；
12) progress is air-cooled, washes and dries.
13) disinfection air-dry, shipment after aseptic packaging.
The diamond-like-carbon coating biomedicine implantation tantalum alloy bone pawl chemical component of 1 various embodiments of the present invention of table
| Embodiment | Al | Zn | Ga | Y | Si | Mg | Ta |
| 1 | 6.0 | 4.0 | 3.0 | 2.0 | 1.0 | 2.0 | 82.0 |
| 2 | 5.1 | 3.9 | 3.5 | 2.2 | 1.2 | 1.9 | 82.2 |
| 3 | 5.9 | 3.1 | 4.0 | 2.5 | 1.5 | 1.1 | 81.9 |
| 4 | 5.6 | 3.4 | 3.7 | 3.0 | 2.0 | 1.0 | 81.3 |
| 5 | 5.0 | 3.6 | 3.9 | 2.9 | 1.9 | 1.3 | 81.4 |
| 6 | 5.3 | 3.0 | 3.1 | 2.7 | 1.8 | 1.5 | 82.6 |
The diamond-like-carbon coating biomedicine implantation tantalum alloy bone pawl smelting technology of 2 various embodiments of the present invention of table
| Embodiment | Smelting temperature (DEG C) |
| 1 | 2110 |
| 2 | 2200 |
| 3 | 2150 |
| 4 | 2190 |
| 5 | 2100 |
| 6 | 2170 |
The diamond-like-carbon coating biomedicine implantation tantalum alloy bone pawl rolling mill practice of 3 various embodiments of the present invention of table
The diamond-like-carbon coating biomedicine implantation tantalum alloy bone pawl plasma chemistry of 4 various embodiments of the present invention of table
Gas-phase deposition
The diamond-like-carbon coating biomedicine implantation tantalum alloy bone pawl mechanical property of 5 various embodiments of the present invention of table
The diamond-like-carbon coating biomedicine implantation tantalum alloy bone pawl of each embodiment of 6 various embodiments of the present invention of table
Corrosion resistance and anti-fatigue performance
As can be seen that the diamond-like-carbon coating biomedicine implantation tantalum alloy bone of the present patent application from table 5 and table 6
Pawl, yield strength are 500~541MPa, and tensile strength is 700~730MPa, and elongation percentage is 25~27%；Corrosion resistance
(0.11~0.21mg/cm of 96h corrosion weight loss amount2) it is significantly larger than comparative example Ta alloy (96h corrosion weight loss amount 1.73mg/
cm2)；Under similarity condition, sets hydrogen fatigue life (71258~74128 times) and be significantly larger than comparative example Ta alloy (17356 times).
Properties of product fully meet requirement, and its corrosion resistance and anti-fatigue life are far superior to comparative example Ta alloy.With
On be not directed to place, be suitable for the prior art.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that above example merely to be illustrated, the range being not intended to be limiting of the invention, belonging to the present invention
Those skilled in the art can make various modifications or additions to described specific embodiment or using class
As mode substitute, but without departing from direction of the invention or beyond the scope of the appended claims.Ability
Domain it is to be understood by the skilled artisans that according to the technical essence of the invention to made by embodiment of above it is any modification, etc.
With replacement, improvement etc., protection scope of the present invention should be included in.
Claims (10)
1. a kind of tantalum alloy, it is characterised in that: the component including following mass percent: Al:5~6%, Zn:3~4%, Ga:3
~4%, Y:2~3%, Si:1~2%, Mg:1~2%, remaining is Ta and inevitable impurity.
2. a kind of diamond-like-carbon coating tantalum alloy, it is characterised in that: the tantalum alloy as described in claim 1 carries out plasma
Body chemical vapor phase growing deposits one layer of diamond-like-carbon coating on its surface and is made.
3. the preparation method that tantalum alloy bone pawl is used in a kind of diamond-like-carbon coating biomedicine implantation, it is characterised in that: including such as
Lower step:
1) tantalum alloy as described in claim 1 is prepared；
2) tantalum alloy is processed into using cutting machine and lathe by single bone pawl；
3) conventional shot-peening is carried out to bone pawl surface, remains tantalum alloy bone pawl surface non-oxidation layer；
4) conventional electrolysis degreasing is carried out；
5) it carries out plasma activated chemical vapour deposition and deposits one layer of diamond-like-carbon coating on bone pawl surface；
6) progress is air-cooled, washes and dries, and sterilizes shipment after air-dried, aseptic packaging.
4. a kind of diamond-like-carbon coating biomedicine implantation as claimed in claim 3 preparation method of tantalum alloy bone pawl,
It is characterized by: 4~5W of discharge power of step 5) plasma chemical vapor deposition, 200~250 DEG C of substrate temperature, instead
Answer 90~100Pa of pressure, 30~40mL/min of gas flow.
5. a kind of diamond-like-carbon coating biomedicine implantation as claimed in claim 4 preparation method of tantalum alloy bone pawl,
It is characterized by: step 1) includes the following steps:
A) through mixed raw material, be pressed into smelting electrode, smelting electrode and defective material and be welded into consutrode, alloying smelting, casting
At slab；
B) roughing and finish rolling will be carried out after heating of plate blank, batch to obtain tantalum alloy material after then cooling down.
6. a kind of diamond-like-carbon coating biomedicine implantation as claimed in claim 5 preparation method of tantalum alloy bone pawl,
It is characterized by: the alloying smelting in step a) carries out melting, smelting temperature 2100~2200 using vacuum consumable smelting furnace
℃。
7. a kind of diamond-like-carbon coating biomedicine implantation as claimed in claim 6 preparation method of tantalum alloy bone pawl,
It is characterized by: for heating temperature at 1600~1700 DEG C, soaking time is 110~120min in step b)；Roughing end temp
Not less than 1400 DEG C；Control finish rolling terminates temperature at 950~1000 DEG C.
8. a kind of diamond-like-carbon coating biomedicine implantation as claimed in claim 7 preparation method of tantalum alloy bone pawl,
It is characterized by: what cooling in step b) carried out is section cooling, using press quenching mode, final cooling temperature is 350~400
DEG C, cooling velocity: 53~56 DEG C/s.
9. such as a kind of described in any item systems of diamond-like-carbon coating biomedicine implantation tantalum alloy bone pawl of claim 3-8
Preparation Method, it is characterised in that: the mechanical property of the tantalum alloy prepared in step (1) reaches yield strength ReL: >=500MPa,
Tensile strength Rm>=700MPa, elongation percentage A >=25%.
10. a kind of diamond-like-carbon coating biomedicine implantation tantalum alloy bone pawl, it is characterised in that: by claim 3-8 institute
A kind of diamond-like-carbon coating biomedicine implantation stated is prepared with the preparation method of tantalum alloy bone pawl.
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| JPH04187734A (en) * | 1990-11-20 | 1992-07-06 | Sanyo Electric Co Ltd | Hydrogen storage alloy electrode |
| CN1966753A (en) * | 2005-11-16 | 2007-05-23 | 鞍钢股份有限公司 | Steel plate for hot-rolled double-side enamel and method for producing same |
| CN101003889A (en) * | 2007-02-05 | 2007-07-25 | 陈鸿文 | Surface process technique for artificial joint, bone lamella, and bone nail coated by Nano diamond |
| CN106702240A (en) * | 2015-07-24 | 2017-05-24 | 中国科学院金属研究所 | Medical tantalum-cuprum alloy having anti-bacterial function and preparation method thereof |
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