WO2021248260A1 - Metal material, preparation method therefor and application thereof - Google Patents
Metal material, preparation method therefor and application thereof Download PDFInfo
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- WO2021248260A1 WO2021248260A1 PCT/CN2020/094850 CN2020094850W WO2021248260A1 WO 2021248260 A1 WO2021248260 A1 WO 2021248260A1 CN 2020094850 W CN2020094850 W CN 2020094850W WO 2021248260 A1 WO2021248260 A1 WO 2021248260A1
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- metal material
- mixed powder
- niobium
- tantalum
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- 239000007769 metal material Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title abstract description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 16
- 239000010941 cobalt Substances 0.000 claims abstract description 16
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 16
- 239000010955 niobium Substances 0.000 claims abstract description 16
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052709 silver Inorganic materials 0.000 claims abstract description 16
- 239000004332 silver Substances 0.000 claims abstract description 16
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims abstract description 16
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 15
- 239000010936 titanium Substances 0.000 claims abstract description 15
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 15
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 12
- 208000014674 injury Diseases 0.000 claims abstract description 6
- 230000008733 trauma Effects 0.000 claims abstract description 6
- 239000011812 mixed powder Substances 0.000 claims description 20
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 12
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 12
- 238000005245 sintering Methods 0.000 claims description 10
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 238000000354 decomposition reaction Methods 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000004615 ingredient Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000001291 vacuum drying Methods 0.000 claims description 4
- 238000000498 ball milling Methods 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract description 13
- 229910001069 Ti alloy Inorganic materials 0.000 abstract description 11
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 5
- 208000035143 Bacterial infection Diseases 0.000 abstract description 4
- 208000022362 bacterial infectious disease Diseases 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 230000001954 sterilising effect Effects 0.000 abstract description 3
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 3
- 238000007598 dipping method Methods 0.000 abstract description 2
- 238000004663 powder metallurgy Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000000084 colloidal system Substances 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 238000002513 implantation Methods 0.000 abstract 1
- 239000000956 alloy Substances 0.000 description 8
- 239000007943 implant Substances 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 102100037362 Fibronectin Human genes 0.000 description 1
- 108010067306 Fibronectins Proteins 0.000 description 1
- 102100035140 Vitronectin Human genes 0.000 description 1
- 108010031318 Vitronectin Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003462 bioceramic Substances 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004053 dental implant Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008407 joint function Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- RHDUVDHGVHBHCL-UHFFFAOYSA-N niobium tantalum Chemical compound [Nb].[Ta] RHDUVDHGVHBHCL-UHFFFAOYSA-N 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 238000010883 osseointegration Methods 0.000 description 1
- 210000000963 osteoblast Anatomy 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
-
- 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
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/02—Inorganic materials
- A61L27/04—Metals or alloys
- A61L27/06—Titanium or titanium 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
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/54—Biologically active materials, e.g. therapeutic substances
-
- 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
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/56—Porous materials, e.g. foams or sponges
-
- 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
- C22C1/04—Making non-ferrous alloys by powder metallurgy
-
- 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
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0433—Nickel- or cobalt-based alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
-
- 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
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/10—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing inorganic materials
- A61L2300/102—Metals or metal compounds, e.g. salts such as bicarbonates, carbonates, oxides, zeolites, silicates
- A61L2300/104—Silver, e.g. silver sulfadiazine
-
- 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
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
- A61L2300/404—Biocides, antimicrobial agents, antiseptic agents
-
- 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
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/12—Materials or treatment for tissue regeneration for dental implants or prostheses
-
- 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
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/24—Materials or treatment for tissue regeneration for joint reconstruction
-
- 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
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/38—Materials or treatment for tissue regeneration for reconstruction of the spine, vertebrae or intervertebral discs
Definitions
- the invention relates to the field of metal composite material preparation, in particular, to a composite metal material preparation and a preparation method and application thereof.
- Titanium-based alloy materials are mainly used in aerospace and biomedical fields due to their unique chemical and mechanical properties and good biocompatibility. They are alloy materials commonly used in technology, but titanium alloys have poor oxidation resistance at high temperatures. , The forming atmosphere needs to be strictly controlled; at the same time, the thermal conductivity of titanium alloy is poor, and there are strict requirements for energy input during the forming process.
- the biological materials used in the orthopedics field include metal materials, polymer materials, bioceramics and composite materials.
- Metal materials are widely used in joint, spine and trauma diseases due to their high mechanical strength and fatigue resistance. Treatment has played a huge role in the reconstruction of bone stability and the replacement of joint function.
- the most commonly used metal materials in clinical practice include stainless steel, cobalt-based alloys and titanium-based alloys. Others such as shape memory alloys and stable metals (tantalum, niobium, ho, etc.) have also been used more and more widely.
- the present invention provides a metal material.
- the alloy material has a relatively high Good fatigue resistance and strong corrosion resistance increase its comprehensive mechanical properties.
- appropriate amount of silver is added to ensure its basic mechanical properties At the same time of performance, it has a certain broad-spectrum sterilization or antibacterial effect, effectively solves the bacterial infection problem of titanium alloy surgical implants, and can be widely used in medical fields such as joints, spine and trauma.
- the technical solution of the present invention includes a metal material comprising the following components in parts by weight: 35-42 parts of nickel, 15-20 parts of cobalt, 1-3 parts of silver, 25-30 parts of titanium, 0.5-3 parts of tantalum, 0.1-0.3 parts of niobium.
- niobium contains the following components in parts by weight: 38 parts of nickel, 17 parts of cobalt, 1.8 parts of silver, 26.5 parts of titanium, 0.8 parts of tantalum, and 0.1 parts of niobium.
- the technical scheme of the present invention also includes a method for preparing a metal material, including the following steps:
- Step 1 The ingredients are prepared according to the following parts by weight: 35-42 parts of nickel, 15-20 parts of cobalt, 1-3 parts of silver, 25-30 parts of titanium, 0.5-3 parts of tantalum, and 0.1-0.3 parts of niobium. Place the mixed powder in a stainless steel ball mill tank, fill it with absolute ethanol, and seal it. Use argon gas to protect and mix in a planetary ball mill for 4 hours. Take out the ball-milled mixed powder and place it on filter paper for 6-8 minutes to obtain mixed powder. ;
- Step 2 Put a certain amount of polyvinyl alcohol into deionized distilled water and heat it until it dissolves. After cooling, add a certain proportion of polyvinyl alcohol solution to the mixed powder, and stir thoroughly to make it have a proper degree The slurry is naturally air-dried and cooled, then dried in a vacuum drying oven at a temperature of 70-80°C, and finally taken out for natural cooling.
- Step 3 Keep the vacuum always below 8 ⁇ 10 -2 Pa for sintering, first heat to 200°C-300°C for debinding and decomposition; heat to sintering temperature 1400-1500°C°, keep for 2-4h, then heat to Keep the temperature at 1700°C-1800°C for 1-2h, cool to room temperature along with the furnace, take the sintered body out of the furnace, clean it in an ultrasonic water bath for 15-20min, and then dry it.
- the ball-to-material ratio used in the ball milling in the step 1 is 10:1.
- the rotation speed of the ball mill in the step 1 is 400-500 r/min.
- the ratio of the mixed powder to the polyvinyl alcohol solution in step 2 is: each 100 g of the mixed powder is mixed with 20 ml of the polyvinyl alcohol solution.
- heating is performed to a sintering temperature of 1400-1500°C° at a rate of 5-10°C/min.
- step 3 heating to 1700°C-1800°C at a rate of 10-15°C/min.
- the technical solution of the present invention also includes a metal material product, which is characterized in that it is made of the metal material described in any one of the above solutions, and is used in medical fields such as oral restorations, joints, spine, and trauma.
- the beneficial effects of the present invention are: by adding cobalt, tantalum and niobium, the alloy material has good fatigue resistance and strong corrosion resistance, and its comprehensive mechanical properties are increased. At the same time, it has good biocompatibility. Performance, high mechanical strength and fatigue resistance; the method of combining colloidal dipping and powder metallurgy can be used to prepare porous materials, through the design and construction of the porous structure, the connection between the implant and the bone is obtained, thereby providing a good Biologically fixed, the porous structure can improve the compatibility of the implant and bone tissue on the one hand, and on the other hand can promote the deposition of vitronectin and fibronectin on the surface and inside of the alloy, thereby increasing the adhesion of osteoblasts, Proliferation and differentiation; can be widely used in medical fields such as joints, spine and trauma.
- adding a proper amount of silver to the titanium alloy can make the titanium alloy have a certain broad-spectrum bactericidal or antibacterial effect while ensuring its basic mechanical properties, effectively solving the bacterial infection problem of titanium alloy surgical implants.
- a metal material comprising the following components in parts by weight: 35 parts of nickel, 15 parts of cobalt, 1 part of silver, 30 parts of titanium, 0.5 part of tantalum, and 0.1 part of niobium.
- a metal material comprising the following components in parts by weight: 38 parts of nickel, 17 parts of cobalt, 1.8 parts of silver, 26.5 parts of titanium, 0.8 parts of tantalum, and 0.1 parts of niobium.
- a metal material comprising the following components in parts by weight: 42 parts of nickel, 20 parts of cobalt, 3 parts of silver, 25 parts of titanium, 3 parts of tantalum, and 0.3 parts of niobium.
- the metal material in Example 1 was prepared according to the following steps:
- Step 1 The ingredients are prepared according to the following parts by weight: 35 parts of nickel, 15 parts of cobalt, 1 part of silver, 30 parts of titanium, 0.5 part of tantalum, and 0.1 part of niobium. Put the mixed powder in a stainless steel ball mill tank, fill it with absolute ethanol, and seal it. Use argon gas to protect and mix in the planetary ball mill for 4 hours. The speed of the ball mill is 400r/min. Take out the ball milled mixed powder and place it on the filter paper. 6 minutes to get mixed powder;
- Step 2 Put a certain amount of polyvinyl alcohol into deionized distilled water and heat it until it dissolves. After cooling, add a certain proportion of polyvinyl alcohol solution to the mixed powder, and stir thoroughly to make it have a proper degree The slurry is naturally air-dried and cooled, then dried in a vacuum drying oven at a temperature of 80 °C, and finally taken out to be naturally cooled.
- Step 3 Keep the vacuum always below 8 ⁇ 10 -2 Pa for sintering, first heat to 200°C for debinding and decomposition; heat to sintering temperature 1400°C for 2h, then heat to 1700°C for 2h, then The furnace is cooled to room temperature, and the sintered body is taken out of the furnace, cleaned in an ultrasonic water bath for 15 minutes, and then dried to obtain it.
- the metal material in Example 3 was prepared according to the following steps:
- Step 1 The ingredients are prepared according to the following parts by weight: 42 parts of nickel, 20 parts of cobalt, 3 parts of silver, 25 parts of titanium, 3 parts of tantalum, and 0.3 parts of niobium.
- the planetary ball mill uses argon gas to protect and mix for 4 hours.
- the ball-to-material ratio used in the ball mill is 10:1, and the speed of the ball mill is 500r/min. .
- Step 2 Put a certain amount of polyvinyl alcohol into deionized distilled water and heat it to dissolve. After cooling, mix 100g of the mixed powder with 20ml polyvinyl alcohol solution and stir thoroughly to make it have a proper degree of consistency The slurry is naturally air-dried and cooled, then dried in a vacuum drying oven at a temperature of 70°C, and finally taken out for natural cooling.
- Step 3 Keep the vacuum always below 8 ⁇ 10 -2 Pa for sintering, first heat to 300°C for debinding and decomposition; heat it to the sintering temperature of 1460°C at a rate of 5-10°C/min, and hold for 2 hours. Heat to 1780°C at a rate of 10-15°C/min, keep it for 2h, cool to room temperature along with the furnace, take the sintered body out of the furnace, clean it in an ultrasonic water bath for 20 minutes, and dry it to get it.
- An artificial joint made of composite metal materials prepared in Examples 1-5 can be applied to joint replacement surgery.
- a dental implant made of composite metal materials prepared in Examples 1-5 can be applied to denture implant surgery.
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Abstract
Description
Claims (9)
- 一种金属材料,其特征在于,包含其组分按重量份计的下列组分:镍35-42份、钴15-20份、银1-3份、钛25-30份、钽0.5-3份、铌0.1-0.3份。A metal material, characterized in that it contains the following components in parts by weight: 35-42 parts of nickel, 15-20 parts of cobalt, 1-3 parts of silver, 25-30 parts of titanium, 0.5-3 parts of tantalum Parts, 0.1-0.3 parts of niobium.
- 根据权利要求1所述的一种金属材料,其特征在于,包含其组分按重量份计的下列组分:镍38份、钴17份、银1.8份、钛26.5份、钽0.8份、铌0.1份。A metal material according to claim 1, characterized in that it contains the following components in parts by weight: 38 parts of nickel, 17 parts of cobalt, 1.8 parts of silver, 26.5 parts of titanium, 0.8 parts of tantalum, and niobium 0.1 part.
- 一种金属材料的制备方法,其特征在于,包括如下步骤:A method for preparing a metal material is characterized in that it comprises the following steps:步骤1:配料按照按以下重量份配制混合粉:镍35-42份、钴15-20份、银1-3份、钛25-30份、钽0.5-3份、铌0.1-0.3份。将混合粉置于不锈钢球磨罐中,注满无水乙醇后密封,在行星球磨机采用氩气保护混合4h,将球磨好的混合粉取出并置于滤纸上静置6-8分钟,得到混合粉;Step 1: The ingredients are prepared according to the following parts by weight: 35-42 parts of nickel, 15-20 parts of cobalt, 1-3 parts of silver, 25-30 parts of titanium, 0.5-3 parts of tantalum, and 0.1-0.3 parts of niobium. Place the mixed powder in a stainless steel ball mill tank, fill it with absolute ethanol, and seal it. Use argon gas to protect and mix in a planetary ball mill for 4 hours. Take out the ball-milled mixed powder and place it on filter paper for 6-8 minutes to obtain mixed powder. ;步骤2:将一定量的聚乙稀醇放入去离子蒸饱水中加热至其溶解,冷却后,按一定比例取聚乙烯醇溶液加入混合粉中,充分搅拌均勾使之成为具有适当點度的浆状物,自然风干冷却,再放到温度为70-80℃的真空干燥箱里干燥,最后取出自然冷却。Step 2: Put a certain amount of polyvinyl alcohol into deionized distilled water and heat it until it dissolves. After cooling, add a certain proportion of polyvinyl alcohol solution to the mixed powder, and stir thoroughly to make it have a proper degree The slurry is naturally air-dried and cooled, then dried in a vacuum drying oven at a temperature of 70-80℃, and finally taken out for natural cooling.步骤3:保持真空度始终在8×10 -2Pa以下进行烧结,先加热至200℃-300℃进行排胶和分解;加热至烧结温度1400-1500℃°,保温2-4h后,加热至1700℃-1800℃,保温1-2h,随炉冷却至室温,将烧结体从炉内取出,置于超声波水浴中清洗15-20min后烘干,即得。 Step 3: Keep the vacuum always below 8×10 -2 Pa for sintering, first heat to 200℃-300℃ for debinding and decomposition; heat to sintering temperature 1400-1500℃°, keep for 2-4h, then heat to Keep the temperature at 1700°C-1800°C for 1-2h, cool to room temperature along with the furnace, take the sintered body out of the furnace, clean it in an ultrasonic water bath for 15-20min, and then dry it.
- 根据权利要求3所述的一种金属材料的制备方法,其特征在于,所述步骤1中球磨中采用的球料比为10:1。The method for preparing a metal material according to claim 3, wherein the ball-to-material ratio used in the ball milling in the step 1 is 10:1.
- 根据权利要求3所述的一种金属材料的制备方法,其特征在于,所述步骤1中球磨机的转速为400-500r/min。The method for preparing a metal material according to claim 3, wherein the rotation speed of the ball mill in the step 1 is 400-500 r/min.
- 根据权利要求3所述的一种金属材料的制备方法,其特征在于,所述步骤2中混合粉与聚乙稀醇溶液比例为:每100g混合粉与20ml 聚乙稀醇溶液混合。The method for preparing a metal material according to claim 3, wherein the ratio of the mixed powder to the polyvinyl alcohol solution in the step 2 is: each 100 g of the mixed powder is mixed with 20 ml of the polyvinyl alcohol solution.
- 根据权利要求3所述的一种金属材料的制备方法,其特征在于,所述步骤3中以5-10℃/min的速率加热至烧结温度1400-1500℃°。The method for preparing a metal material according to claim 3, characterized in that, in the step 3, heating is performed to a sintering temperature of 1400-1500° C. at a rate of 5-10° C./min.
- 根据权利要求3所述的一种金属材料的制备方法,其特征在于,所述步骤3中以10-15℃/min的速率加热至1700℃-1800℃。The method for preparing a metal material according to claim 3, characterized in that, in the step 3, heating to 1700°C-1800°C at a rate of 10-15°C/min.
- 一种金属材料制品,其特征在于,利用权利要求1-8任一项所述的金属材料制成,应用于口腔修复体、关节、脊柱及创伤等医疗领域。A metal material product, characterized in that it is made of the metal material according to any one of claims 1-8, and is used in medical fields such as oral restorations, joints, spine and trauma.
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