CN108950353A - The medical titanium alloy processing method that a kind of grain size is small and material property is high - Google Patents
The medical titanium alloy processing method that a kind of grain size is small and material property is high Download PDFInfo
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- CN108950353A CN108950353A CN201810866666.3A CN201810866666A CN108950353A CN 108950353 A CN108950353 A CN 108950353A CN 201810866666 A CN201810866666 A CN 201810866666A CN 108950353 A CN108950353 A CN 108950353A
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- 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
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C1/00—Making non-ferrous alloys
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
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- C22C1/1047—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C16/00—Alloys based on zirconium
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- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
- C22F1/186—High-melting or refractory metals or alloys based thereon of zirconium or alloys based thereon
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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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/134—Plasma spraying
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Abstract
The medical titanium alloy processing method small and high material property the invention discloses a kind of grain size, wherein titanium alloy material main component includes: titanium 16%, zirconium 40%, copper 11%, calcium 1.2%, ceramic powder 24%, nickel 0.4%, tungsten 0.8% and platinum 0.6%, the rate of deformation that the described preparation method passes through controlled forge process, increase rolling pass and reduces pass deformation, realize that die break is uniform, grain size is small, it is effectively reduced the difference of grain size, realize titanium alloy material even tissue, it is tiny, keep titanium alloy material performance more stable, the intensity of titanium alloy material is enhanced simultaneously, and then improve the comprehensive performance of titanium alloy material.
Description
Technical field
The invention belongs to medical titanium alloy technical fields, and in particular to it is medical that a kind of grain size is small and material property is high
Method of processing titanium alloy.
Background technique
Titanium is nontoxic, light, intensity is high and has excellent biocompatibility, is ideal medical metal material, can
Implantation material etc. as implantation human body is widely used in the side such as tooth root implantation, internal fixation screw, knee cap, hip joint and acetabular bone
Face, widely used in the field of medicine at present is still Ti-6Al-4v ELI alloy, and market demand is continuously increased in recent years.
But material structure is influenced titanium alloy by hot-working and heat treatment process during the preparation process, die break is not
Uniformly, grain size is big, leads to titanium alloy material low strength, and performance is unstable, causes titanium alloy comprehensive performance to be improved.
Summary of the invention
The medical titanium alloy processing method small and high material property the purpose of the present invention is to provide a kind of grain size, with
It solves that die break mentioned above in the background art is uneven, and grain size is big, leads to titanium alloy material low strength, performance
Problem that is unstable, causing titanium alloy comprehensive performance low.
To achieve the above object, the invention provides the following technical scheme: that a kind of grain size is small and material property is high is medical
Method of processing titanium alloy, the preparation method the following steps are included:
Step a: alloying component mass percent ingredient is pressed, and ingredient is added in reaction kettle；
Step b: inert gas is added into reaction kettle, and reaction kettle is heated, makes reaction kettle internal temperature lazy
Ingredient is carried out melting to 3000-3500 DEG C by constant heating rates sintering under the action of property gas；
Step c: the ingredient after melting is stirred, and makes its abundant melting, to obtain mixture；
Step d: being added ceramic powder in the mixture obtained to step c, and be stirred, and keeps ceramic powder and mixture mixed
It closes uniform；
Step e: again heating reaction kettle, makes to be warming up to 3900 DEG C inside reaction kettle, the mixing that step d is obtained
Object carries out melting again, to obtain final mixture；
Step f: the final mixture that step e is obtained cools down, and when mixture is cooled to room temperature, carries out casting base；
Step g: open die forging is used, 660-720 DEG C of final forging temperature, is forged after repeated multiple times to carry out briquet to be forged into base
Material, is cooled to room temperature, then by blank heating to 900-950 DEG C of jumping-up and pulls out deformation 5-10 times, and 770-810 DEG C of final forging temperature,
Pass deformation is 30-55%, and total deformation adds up 80-140%, and is cooled to room temperature, then by blank heating to 700-
740 DEG C of jumping-ups and pulling deform 5-10 times, and pass deformation 20-40%, total deformation adds up 55-110%, and is cooled to
Room temperature finally again deforms blank heating 3-5 times, pass deformation 15-30% to 680-720 DEG C of jumping-up and pulling, and cold
But to room temperature, after forging molding, blank is heat-treated, surface preparation is carried out to briquet again after heat treatment；
Step h: using plasma spraying machine to briquet surface spraying coating, to obtain medical titanium alloy.
The main component of ingredient described in step a includes: titanium 16%, zirconium 40%, copper 11%, calcium 1.2%, ceramic powder
24%, nickel 0.4%, tungsten 0.8% and platinum 0.6%.
Mixing speed described in step c is 150-180rpm.
Mixing speed described in step d is 2500-3000rpm.
Surface preparation described in step g mainly includes washing, sandblasting, spray quartz sand, alkali cleaning, pickling and passivation
Processing.
The major parameter of plasma spraying machine described in step h are as follows: spray distance 40-60mm, powder feeding rate 5-10g/
Min, spraying current 450-600A, coating thickness 0.5-3mm.
Compared with prior art, the beneficial effects of the present invention are: the present invention is increased by the rate of deformation of controlled forge process
Rolling pass simultaneously reduces pass deformation, realizes that die break is uniform, and grain size is small, is effectively reduced the difference of grain size,
It realizes titanium alloy material even tissue, tiny, keeps titanium alloy material performance more stable, while enhancing titanium alloy material
Intensity, and then improve the comprehensive performance of titanium alloy material.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff every other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Embodiment 1: the medical titanium alloy processing method that a kind of grain size is small and material property is high, the preparation method include
Following steps:
Step a: alloying component mass percent ingredient is pressed, and ingredient is added in reaction kettle；
Step b: inert gas is added into reaction kettle, and reaction kettle is heated, makes reaction kettle internal temperature lazy
Ingredient is carried out melting to 3000-3500 DEG C by constant heating rates sintering under the action of property gas；
Step c: the ingredient after melting is stirred, and makes its abundant melting, to obtain mixture；
Step d: being added ceramic powder in the mixture obtained to step c, and be stirred, and keeps ceramic powder and mixture mixed
It closes uniform；
Step e: again heating reaction kettle, makes to be warming up to 3900 DEG C inside reaction kettle, the mixing that step d is obtained
Object carries out melting again, to obtain final mixture；
Step f: the final mixture that step e is obtained cools down, and when mixture is cooled to room temperature, carries out casting base；
Step g: open die forging is used, 660-720 DEG C of final forging temperature, is forged after repeated multiple times to carry out briquet to be forged into base
Material, is cooled to room temperature, then by blank heating to 900-950 DEG C of jumping-up and pulls out deformation 5 times, and 770-810 DEG C of final forging temperature, road
Secondary deflection is 55%, total deformation accumulative 140%, and is cooled to room temperature, then by blank heating to 700-740 DEG C of jumping-up
With pulling deformation 5 times, pass deformation 40%, total deformation adds up 110%, and is cooled to room temperature, and finally again adds blank
Heat is cooled to room temperature to 680-720 DEG C of jumping-up and pulling deformation 5 times, pass deformation 30%, after forging molding, by base
Material is heat-treated, and carries out surface preparation to briquet again after heat treatment；
Step h: using plasma spraying machine to briquet surface spraying coating, to obtain medical titanium alloy.
The main component of ingredient described in step a includes: titanium 16%, zirconium 40%, copper 11%, calcium 1.2%, ceramic powder
24%, nickel 0.4%, tungsten 0.8% and platinum 0.6%, are made into that mechanical property is good, biocompatibility using nontoxic element ion
High alloy, can be avoided that traditional medical titanium alloy contains vanadium and aluminium ion causes human body uncomfortable, cause harm to the human body, into
And the safety of medical titanium alloy is improved, meet the needs of patient.
Mixing speed described in step c is 150-180rpm.
Mixing speed described in step d is 2500-3000rpm.
Surface preparation described in step g mainly includes washing, sandblasting, spray quartz sand, alkali cleaning, pickling and passivation
Processing, wherein washing is first to clean the titanium alloy material after heat treatment in the hot water that temperature is 90-100 DEG C, then
It is cleaned with the flowing cool water of room temperature；Sandblasting is to dry up titanium alloy material with compressed air, then blows and sprays quartz sand, is removed
Machine adds trace, increases roughness；Alkali cleaning is that titanium alloy material is impregnated in temperature in 350-550 DEG C of alkali fusion liquid, dipping
Time is 30-60min；Pickling is to carry out pickling processes to titanium alloy material surface, is immersed in 40-50 DEG C of temperature of pickling solution
Middle 15-45mim；Passivation Treatment is that the titanium alloy material after pickling is impregnated in temperature in 90-150 DEG C of aqueous solution, leaching
The stain time is 15-20mim.
The major parameter of plasma spraying machine described in step h are as follows: spray distance 40-60mm, powder feeding rate 5-10g/
Min, spraying current 450-600A, coating thickness 0.5-3mm.
Embodiment 2: the medical titanium alloy processing method that a kind of grain size is small and material property is high, the preparation method include
Following steps:
Step a: alloying component mass percent ingredient is pressed, and ingredient is added in reaction kettle；
Step b: inert gas is added into reaction kettle, and reaction kettle is heated, makes reaction kettle internal temperature lazy
Ingredient is carried out melting to 3000-3500 DEG C by constant heating rates sintering under the action of property gas；
Step c: the ingredient after melting is stirred, and makes its abundant melting, to obtain mixture；
Step d: being added ceramic powder in the mixture obtained to step c, and be stirred, and keeps ceramic powder and mixture mixed
It closes uniform；
Step e: again heating reaction kettle, makes to be warming up to 3900 DEG C inside reaction kettle, the mixing that step d is obtained
Object carries out melting again, to obtain final mixture；
Step f: the final mixture that step e is obtained cools down, and when mixture is cooled to room temperature, carries out casting base；
Step g: open die forging is used, 660-720 DEG C of final forging temperature, is forged after repeated multiple times to carry out briquet to be forged into base
Material, is cooled to room temperature, then by blank heating to 900-950 DEG C of jumping-up and pulls out deformation 7 times, and 770-810 DEG C of final forging temperature, road
Secondary deflection is 45%, total deformation accumulative 120%, and is cooled to room temperature, then by blank heating to 700-740 DEG C of jumping-up
With pulling deformation 7 times, pass deformation 30%, total deformation adds up 85%, and is cooled to room temperature, and finally again adds blank
Heat is cooled to room temperature to 680-720 DEG C of jumping-up and pulling deformation 4 times, pass deformation 22%, after forging molding, by base
Material is heat-treated, and carries out surface preparation to briquet again after heat treatment；
Step h: using plasma spraying machine to briquet surface spraying coating, to obtain medical titanium alloy.
The main component of ingredient described in step a includes: titanium 16%, zirconium 40%, copper 11%, calcium 1.2%, ceramic powder
24%, nickel 0.4%, tungsten 0.8% and platinum 0.6%, are made into that mechanical property is good, biocompatibility using nontoxic element ion
High alloy, can be avoided that traditional medical titanium alloy contains vanadium and aluminium ion causes human body uncomfortable, cause harm to the human body, into
And the safety of medical titanium alloy is improved, meet the needs of patient.
Mixing speed described in step c is 150-180rpm.
Mixing speed described in step d is 2500-3000rpm.
Surface preparation described in step g mainly includes washing, sandblasting, spray quartz sand, alkali cleaning, pickling and passivation
Processing, wherein washing is first to clean the titanium alloy material after heat treatment in the hot water that temperature is 90-100 DEG C, then
It is cleaned with the flowing cool water of room temperature；Sandblasting is to dry up titanium alloy material with compressed air, then blows and sprays quartz sand, is removed
Machine adds trace, increases roughness；Alkali cleaning is that titanium alloy material is impregnated in temperature in 350-550 DEG C of alkali fusion liquid, dipping
Time is 30-60min；Pickling is to carry out pickling processes to titanium alloy material surface, is immersed in 40-50 DEG C of temperature of pickling solution
Middle 15-45mim；Passivation Treatment is that the titanium alloy material after pickling is impregnated in temperature in 90-150 DEG C of aqueous solution, leaching
The stain time is 15-20mim.
The major parameter of plasma spraying machine described in step h are as follows: spray distance 40-60mm, powder feeding rate 5-10g/
Min, spraying current 450-600A, coating thickness 0.5-3mm.
Embodiment 3: the medical titanium alloy processing method that a kind of grain size is small and material property is high, the preparation method include
Following steps:
Step a: alloying component mass percent ingredient is pressed, and ingredient is added in reaction kettle；
Step b: inert gas is added into reaction kettle, and reaction kettle is heated, makes reaction kettle internal temperature lazy
Ingredient is carried out melting to 3000-3500 DEG C by constant heating rates sintering under the action of property gas；
Step c: the ingredient after melting is stirred, and makes its abundant melting, to obtain mixture；
Step d: being added ceramic powder in the mixture obtained to step c, and be stirred, and keeps ceramic powder and mixture mixed
It closes uniform；
Step e: again heating reaction kettle, makes to be warming up to 3900 DEG C inside reaction kettle, the mixing that step d is obtained
Object carries out melting again, to obtain final mixture；
Step f: the final mixture that step e is obtained cools down, and when mixture is cooled to room temperature, carries out casting base；
Step g: open die forging is used, 660-720 DEG C of final forging temperature, is forged after repeated multiple times to carry out briquet to be forged into base
Material, is cooled to room temperature, then by blank heating to 900-950 DEG C of jumping-up and pulls out deformation 10 times, and 770-810 DEG C of final forging temperature, road
Secondary deflection is 30%, total deformation accumulative 80%, and is cooled to room temperature, then by blank heating to 700-740 DEG C of jumping-up with
Pulling deformation 10 times, pass deformation 20%, total deformation accumulative 55%, and be cooled to room temperature, finally again by blank heating
It to 680-720 DEG C of jumping-up and pulling deformation 3 times, pass deformation 15%, and is cooled to room temperature, after forging molding, by blank
It is heat-treated, surface preparation is carried out to briquet again after heat treatment；
Step h: using plasma spraying machine to briquet surface spraying coating, to obtain medical titanium alloy.
The main component of ingredient described in step a includes: titanium 16%, zirconium 40%, copper 11%, calcium 1.2%, ceramic powder
24%, nickel 0.4%, tungsten 0.8% and platinum 0.6%, are made into that mechanical property is good, biocompatibility using nontoxic element ion
High alloy, can be avoided that traditional medical titanium alloy contains vanadium and aluminium ion causes human body uncomfortable, cause harm to the human body, into
And the safety of medical titanium alloy is improved, meet the needs of patient.
Mixing speed described in step c is 150-180rpm.
Mixing speed described in step d is 2500-3000rpm.
Surface preparation described in step g mainly includes washing, sandblasting, spray quartz sand, alkali cleaning, pickling and passivation
Processing, wherein washing is first to clean the titanium alloy material after heat treatment in the hot water that temperature is 90-100 DEG C, then
It is cleaned with the flowing cool water of room temperature；Sandblasting is to dry up titanium alloy material with compressed air, then blows and sprays quartz sand, is removed
Machine adds trace, increases roughness；Alkali cleaning is that titanium alloy material is impregnated in temperature in 350-550 DEG C of alkali fusion liquid, dipping
Time is 30-60min；Pickling is to carry out pickling processes to titanium alloy material surface, is immersed in 40-50 DEG C of temperature of pickling solution
Middle 15-45mim；Passivation Treatment is that the titanium alloy material after pickling is impregnated in temperature in 90-150 DEG C of aqueous solution, leaching
The stain time is 15-20mim.
The major parameter of plasma spraying machine described in step h are as follows: spray distance 40-60mm, powder feeding rate 5-10g/
Min, spraying current 450-600A, coating thickness 0.5-3mm.
Performance test
Medical titanium alloy made from 1-3 of the embodiment of the present invention is tested, the data obtained is as shown in the table:
The present invention is increased rolling pass and is reduced by the rate of deformation of controlled forge process it can be seen from upper table data
Secondary deflection realizes that die break is uniform, and grain size is small, is effectively reduced the difference of grain size, realizes titanium alloy material group
It knits uniform, tiny, keeps titanium alloy material performance more stable, while enhancing the intensity of titanium alloy material, and then improve titanium
The comprehensive performance of alloy material.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
- The medical titanium alloy processing method that 1. a kind of grain size is small and material property is high, it is characterised in that: the preparation method includes Following steps:Step a: alloying component mass percent ingredient is pressed, and ingredient is added in reaction kettle；Step b: inert gas is added into reaction kettle, and reaction kettle is heated, makes reaction kettle internal temperature in indifferent gas Ingredient is carried out melting to 3000-3500 DEG C by constant heating rates sintering under the action of body；Step c: the ingredient after melting is stirred, and makes its abundant melting, to obtain mixture；Step d: being added ceramic powder in the mixture obtained to step c, and be stirred, and mixes ceramic powder and mixture equal It is even；Step e: again heating reaction kettle, makes to be warming up to 3900 DEG C inside reaction kettle, and the mixture that step d is obtained carries out Melting again, to obtain final mixture；Step f: the final mixture that step e is obtained cools down, and when mixture is cooled to room temperature, carries out casting base；Step g: using open die forging, 660-720 DEG C of final forging temperature, forged after repeated multiple times to carry out briquet to be forged into blank, cold But to room temperature, then by blank heating to 900-950 DEG C of jumping-up and pulling deformation 5-10 time, 770-810 DEG C of final forging temperature, passage change Shape amount is 30-55%, and total deformation adds up 80-140%, and is cooled to room temperature, then by blank heating to 700-740 DEG C of jumping-up With pulling deformation 5-10 times, pass deformation 20-40%, total deformation adds up 55-110%, and is cooled to room temperature, finally again It by blank heating to 680-720 DEG C of jumping-up and pulling deformation 3-5 times, pass deformation 15-30%, and is cooled to room temperature, forges After causing type, blank is heat-treated, surface preparation is carried out to briquet again after heat treatment；Step h: using plasma spraying machine to briquet surface spraying coating, to obtain medical titanium alloy.
- The medical titanium alloy processing method that 2. a kind of grain size according to claim 1 is small and material property is high, feature Be: the main component of ingredient described in step a includes: titanium 16%, zirconium 40%, copper 11%, calcium 1.2%, ceramic powder 24%, nickel 0.4%, tungsten 0.8% and platinum 0.6%.
- The medical titanium alloy processing method that 3. a kind of grain size according to claim 1 is small and material property is high, feature Be: mixing speed described in step c is 150-180rpm.
- The medical titanium alloy processing method that 4. a kind of grain size according to claim 1 is small and material property is high, feature Be: mixing speed described in step d is 2500-3000rpm.
- The medical titanium alloy processing method that 5. a kind of grain size according to claim 1 is small and material property is high, feature Be: surface preparation described in step g mainly includes washing, sandblasting, spray quartz sand, alkali cleaning, pickling and Passivation Treatment.
- The medical titanium alloy processing method that 6. a kind of grain size according to claim 1 is small and material property is high, feature It is: the major parameter of plasma spraying machine described in step h are as follows: spray distance 40-60mm, powder feeding rate 5-10g/min, spray Apply electric current 450-600A, coating thickness 0.5-3mm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111363987A (en) * | 2020-03-26 | 2020-07-03 | 西安工业大学 | Amorphous alloy with ultrahigh initial crystallization temperature and preparation method thereof |
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| CN101724764A (en) * | 2009-12-10 | 2010-06-09 | 中南大学 | Process for preparing biomedical beta-titanium alloy |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111363987A (en) * | 2020-03-26 | 2020-07-03 | 西安工业大学 | Amorphous alloy with ultrahigh initial crystallization temperature and preparation method thereof |
| CN111363987B (en) * | 2020-03-26 | 2021-06-25 | 西安工业大学 | Amorphous alloy with ultrahigh initial crystallization temperature and preparation method thereof |
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Application publication date: 20181207 |
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