CN106119742A - A kind of titanium oxide titanium carbide crystal whisker toughened magnesium alloy bio-medical material - Google Patents
A kind of titanium oxide titanium carbide crystal whisker toughened magnesium alloy bio-medical material Download PDFInfo
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- CN106119742A CN106119742A CN201610482541.1A CN201610482541A CN106119742A CN 106119742 A CN106119742 A CN 106119742A CN 201610482541 A CN201610482541 A CN 201610482541A CN 106119742 A CN106119742 A CN 106119742A
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- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 61
- 239000013078 crystal Substances 0.000 title claims abstract description 40
- BAQNULZQXCKSQW-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[Ti+4].[Ti+4] BAQNULZQXCKSQW-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000003519 biomedical and dental material Substances 0.000 title claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 238000007872 degassing Methods 0.000 claims abstract description 5
- 238000007731 hot pressing Methods 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 238000005245 sintering Methods 0.000 claims abstract description 5
- 239000011812 mixed powder Substances 0.000 claims abstract description 4
- 239000000470 constituent Substances 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 238000005056 compaction Methods 0.000 claims abstract 2
- 239000011777 magnesium Substances 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052779 Neodymium Inorganic materials 0.000 claims description 6
- 238000000498 ball milling Methods 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 6
- 239000002243 precursor Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- 229910052726 zirconium Inorganic materials 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 abstract description 6
- 238000011065 in-situ storage Methods 0.000 abstract description 4
- 229910000480 nickel oxide Inorganic materials 0.000 abstract 1
- KJUFNCAQCQGXFL-UHFFFAOYSA-N nickel oxotitanium Chemical compound [Ni].[Ti]=O KJUFNCAQCQGXFL-UHFFFAOYSA-N 0.000 abstract 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 abstract 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 abstract 1
- 210000000988 bone and bone Anatomy 0.000 description 10
- 239000011572 manganese Substances 0.000 description 8
- 239000007943 implant Substances 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 229910001069 Ti alloy Inorganic materials 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 229910000851 Alloy steel Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000012567 medical material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910001051 Magnalium Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 206010065687 Bone loss Diseases 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008827 biological function Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000011785 micronutrient Substances 0.000 description 1
- 235000013369 micronutrients Nutrition 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000012890 simulated body fluid Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/14—Making alloys containing metallic or non-metallic fibres or filaments by powder metallurgy, i.e. by processing mixtures of metal powder and fibres or filaments
-
- 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
- A61L27/047—Other specific metals or alloys not covered by A61L27/042 - A61L27/045 or A61L27/06
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
- C22C49/04—Light metals
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Transplantation (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Medicinal Chemistry (AREA)
- Dermatology (AREA)
- Inorganic Chemistry (AREA)
- Materials For Medical Uses (AREA)
Abstract
The invention belongs to biomedical materials field, particularly nickel oxide titanium carbide crystal whisker toughened magnesium alloy bio-medical material.By magnesium alloy substrate material powder and the powder constituent of titanium oxide titanium carbide crystal whisker, mechanical mixing is used to make magnesium alloy substrate powder uniformly mix with titanium oxide titanium carbide crystal whisker powder, mixed-powder cold compaction final vacuum heating degasification final vacuum sintering, hot pressing ingot obtains titanium oxide titanium carbide crystal whisker toughened magnesium alloy bio-medical material by waiting channel deformation.The present invention significantly improves because of the toughness of the titanium carbide crystal whisker toughened magnesium alloy of in-situ preparation nickel oxide, wearability, intensity, is particularly suitable for bio-medical material, applies also for requiring the parts of high intensity and high-wearing feature, such as high-end sport car magnesium alloy hub.
Description
Technical field
The invention belongs to biomedical materials field, particularly titanium oxide-titanium carbide crystal whisker toughened magnesium alloy bio-medical
Material.
Background technology
At present, the bio-medical material of clinical practice, use rustless steel and titanium to close as skeleton implant, cardiac stent etc.
Gold, rustless steel and titanium alloy have good biocompatibility, decay resistance and mechanical property, therefore rustless steel and titanium alloy
Application widely, get the nod at clinical medicine circle.Metal skeleton embedded material existing for rustless steel and titanium alloy etc.,
There is the problem poor with the mechanical compatibility of biological bone.Rustless steel, titanium alloy etc materials tensile strength higher than natural bone
More than 5.3 times, elastic modelling quantity is the highest more than 11 times.Body local osseous tissue is produced by the skeleton implant such as rustless steel, titanium alloy
The biggest raw " stress shielding " effect, can induce blocking property bone loss.Cause original life of skeleton implant and surrounding
Between area of new bone undergrowth and skeleton implant and biological bone around thing bone fragility, skeleton implant because of
Stress is concentrated and is caused inflammation.Develop novel mechanics the most necessary with biocompatibility more preferably bio-medical material.Meanwhile,
The operation of skeleton implant is taken out, and adds the misery of medical treatment person, time and expense, and therefore, research and development is high tough
And the medical material that can degrade in vivo is one of important directions of current medical field development.And the elasticity of magnesium alloy
Modulus (45GPa), closer to the elastic modelling quantity (20GPa) of people's bone, can effectively reduce " stress-shielding effect ", promotes symphysis.
Magnesium alloy has certain toughness, is the beneficial element of human body simultaneously, therefore uses magnesium alloy with high strength and ductility as medical degradable
Biomaterial is feasible, but magnesium alloy mostly is magnalium at present, and wherein aluminum is harmful metal, therefore limits
Magnalium application in human body, therefore, develops novel magnesium alloy with high strength and ductility biomedical material the most necessary.
Based on above-mentioned purpose, the present invention develops a kind of without aluminum, corrosion resistant magnesium alloy with high strength and ductility biomedical material, adopts
It is used in titanium oxide-titanium carbide crystal whisker in novel magnesium alloy and comes the intensity of toughening magnesium alloy material, good toughness and hardness
Method.Chemical composition and the percentage by weight of the magnesium alloy substrate material of the present invention be: C:0～0.8%, Nd:1～4%, Mn
: 0～0.8%, Zn:0.1～1.0%, Zr:0.3～0.8%, remaining is Mg.The existing magnesium alloy materials of China exists at present
In patent 101837145A, after deliberation, analyze and show all to have as the precious metal elements such as Ag add, but serviceability improves and has
Limit.Therefore, in the present invention by the purpose of titanium oxide-titanium carbide crystal whisker toughened magnesium alloy bio-medical material.
Summary of the invention
The purpose of patent of the present invention is: be to overcome above-mentioned prior art not enough, it is provided that a kind of stable processing technology, production
With low cost, non-pollution discharge, titanium oxide-titanium carbide crystal whisker toughened magnesium alloy biology doctor of production can be organized under normal conditions
With material, the biomedical material such as more traditional rustless steel, titanium alloy has more preferable biocompatibility, and more conventional magnesium alloy is raw
The toughness of thing medical material is substantially improved.
The invention provides a kind of titanium oxide-titanium carbide crystal whisker toughened magnesium alloy bio-medical material, it is characterised in that: should
Material forms the titanium oxide-titanium carbide crystal whisker aligned and magnesium alloy substrate material composition along extruding streamline, and diameter of whiskers is
200-800nm, the volume total amount of In-sltu reinforcement phase is at 0.05-0.10.
The present invention is as follows: titanium oxide-titanium carbide crystal whisker toughened magnesium alloy bio-medical material
Powder, by magnesium alloy substrate material powder and titanium oxide-titanium carbide crystal whisker powder constituent, then uses mechanical mixing to make magnesium close
Gold matrix powder uniformly mixes with titanium oxide-titanium carbide crystal whisker powder, 10 after mixed-powder cold compaction-6Torr vacuum condition under by
Step heating degasification, then at 500-600 DEG C, vacuum-sintering 1-4 hour under the conditions of 50-200Mpa, hot pressing ingot leads at 300-400 DEG C
Crossing die channel turning is 90oEqual channel angular pressing (ECAP) deformation.
Test shows that obtained titanium oxide-titanium carbide crystal whisker toughened magnesium alloy bio-medical material has high-strength tenacity.
Scheme material requested is prepared by following concrete steps:
(1) preparation of titanium oxide-titanium carbide crystal whisker:
The preparation technology of titanium oxide-titanium carbide crystal whisker powder is: titanium oxide-titanium carbide crystal whisker persursor material chemical composition is:
TiO2, C, Mn, NaCl, its quality proportioning is: (45.4～48.2): (45.6～50.8): (0.1～0.9): (1.0～8.1).
The precursor composite powder that can generate titanium oxide-titanium carbide crystal whisker prepared in proportion is added dehydrated alcohol enter in ball mill
Row mechanization ball milling 24 hours, it is thus achieved that there is 200-800nm crystallite dimension ultra-fine precursor composite powder, powder is loaded graphite
In container, under the argon gas atmosphere protection temperature conditions with 1300 DEG C-1600 DEG C, insulation 90min-180min synthesis.
TiO2+ 3C=(heats) TiC+2CO ↑
(2) prepared by magnesium alloy substrate material powder:
The chemical composition of magnesium alloy substrate material and percentage by weight be: C:0～0.8%, Nd:1～4%, Mn:0～
0.8%, Zn:0.1～1.0%, Zr:0.3～0.8%, remaining is Mg.
The present invention is to obtain optimal comprehensive mechanical property and corrosive nature biology, further by each component weight of alloy
Amount percentage limit be C:0～0.2%, Nd:3～3.5%, Mn:0.2～0.6%, Zn:0.1～0.4%, Zr:0.6～
0.8%, remaining is Mg.The magnesium alloy powder prepared in proportion adds dehydrated alcohol, and to carry out mechanization ball milling 24 in ball mill little
Time, it is thus achieved that there is 50-150 μm crystallite dimension superfines.
The present invention is to obtain optimal comprehensive mechanical property and corrosive nature biology, strictly controls Fe, Cu, Al etc. miscellaneous
The degree of purity of the content of matter: Mg is more than or equal to 99.99%；The degree of purity of Zn is more than or equal to 99.999%；Except Mg, Nd, Mn,
Tramp element total amount beyond Zn, Zr is not more than 0.3%.
(3) titanium oxide-titanium carbide crystal whisker and magnesium alloy substrate material mixing powder:
Titanium oxide-titanium carbide weight content in magnesium alloy bio-medical material is 5-10%, by titanium oxide-titanium carbide crystal whisker
With magnesium alloy substrate material by weight percentage for (5-10): the proportions of (95-90) is titanium oxide-titanium carbide crystal whisker toughened
Magnesium alloy bio-medical material powder.
In the present invention, the effect of basic asphalt mixture element is as follows:
The addition of Nd can ensure that magnesium alloy has the strengthening of good Precipitation and an effect of solution strengthening, simultaneously the adding of Nd
Enter the electrode potential that can increase substantially magnesium alloy substrate, reduce the potential difference of the galvanic corrosion of matrix and the second phase, thus aobvious
Write the corrosion resisting property improving magnesium alloy.Additionally, Nd belongs to a kind of LREE, there is preferable biological safety.
Zn is that cell growth grows the element having a major impact, and is the necessary micronutrient element of human body, and Zn adds
Enter to put forward heavy alloyed intensity, effectively facilitate the generation of the non-basal slip of magnesium alloy under room temperature simultaneously, improve the plasticity of magnesium alloy
Working ability.
Necessary material when the addition of Mn is to constitute normal bone, has many effects, is the required trace of the mankind
Element, on the earth, the biological function of all life is all closely related with manganese element.
Zr as grain refiner, can notable crystal grain thinning, put forward heavy alloyed obdurability, corrosion resistance further.
This in-situ preparation titanium oxide-titanium carbide crystal whisker toughened magnesium alloy bio-medical material without special equipment (without adopting
With the equipment such as vacuum melting furnace, High Temperature High Pressure), production can be organized in conventional magnesium alloy factory, small investment of the present invention, instant effect,
Can quickly recoup capital outlay cost.
Compared with existing casting medical magnesium alloy technology, the system of in-situ preparation titanium oxide-titanium carbide crystal whisker toughened magnesium alloy
Preparation Method has the advantage that
(1) toughness, wearability, intensity significantly improve, and the poor mechanical property of the 2 hours extruded samples in interval is less than 6%, and this will be favourable
In high-volume, the steady production of small size stomatology material.Strengthening particle size tiny, be evenly distributed, structure stability is high,
It is well combined with at magnesium alloy substrate.The Toughness of material, hardness and anti-wear performance significantly improve, and are particularly suitable for human bone
The application of the medical materials such as bone implant, applies also for requiring the parts of high intensity and high-wearing feature, such as high-end sport car magnesium
Alloy wheel hub.
(2) microstructure stability is good, will not decompose toxic gas or poisonous solute, and healthy to client has
Place, the present invention is to generate with magnesium alloy particles reaction in-situ in a vacuum because strengthening granule, and the technology stability of production is high.
Detailed description of the invention
Highly preferred embodiment of the present invention it is given below: chemical composition and percentage by weight by magnesium alloy substrate material be:
C:0.2%, Nd:3%, Mn: 0.5%, Zn:0.4%, Zr:0.7%, remaining is the proportions magnesium alloy base of Mg:95.2%
Body material, adds the magnesium alloy powder prepared in proportion dehydrated alcohol and carries out mechanization ball milling in ball mill 24 hours, it is thus achieved that
There is 50-150 μm crystallite dimension superfines.By titanium oxide-titanium carbide crystal whisker persursor material chemical composition it is: TiO2, C,
Mn, NaCl, its quality proportioning is: 47:46:0.3:6.7.Titanium oxide-titanium carbide crystal whisker can be generated by prepare in proportion
Precursor composite powder adds dehydrated alcohol and carries out mechanization ball milling in ball mill 24 hours, it is thus achieved that have 200-800nm crystal grain
Size ultra-fine precursor composite powder.It is 8:92 by weight percentage by titanium oxide-titanium carbide crystal whisker and magnesium alloy substrate material
Proportions be titanium oxide-titanium carbide crystal whisker toughened magnesium alloy bio-medical material powder.Then mechanical mixing is used to make
Magnesium alloy substrate powder uniformly mixes with titanium oxide-titanium carbide crystal whisker powder, 10 after mixed-powder cold compaction-6Torr vacuum condition
Under progressively heat degasification, then at 550 DEG C, vacuum-sintering 2 hours under the conditions of 100Mpa, hot pressing ingot 350 DEG C by mould lead to
Turning, road is 90oEqual channel angular pressing (ECAP) deformation.Then carry out T6 process, and carry out performance test.Under this technique
(tensile strength is 411MPa, and yield strength is 370MPa, and elongation percentage is 6.3% can to obtain the medium plasticity magnesium alloy of high intensity
).Corrosion rate under simulated body fluid environment is 0.27mm/year.Orthopaedics inner implantation material blade plate, nail etc. can be met
Requirement.
Claims (3)
1. titanium oxide-titanium carbide crystal whisker toughened magnesium alloy bio-medical material, is characterized in that by magnesium alloy substrate material powder
End and the powder constituent of titanium oxide-titanium carbide crystal whisker, use mechanical mixing to make magnesium alloy substrate powder and titanium oxide-titanium carbide
Whisker powder uniformly mixes, and mixed-powder cold compaction final vacuum heating degasification final vacuum sintering, hot pressing ingot is by waiting channel deformation
Obtain titanium oxide-titanium carbide crystal whisker toughened magnesium alloy bio-medical material；
A chemical composition and the percentage by weight of () magnesium alloy substrate material be: C:0～0.2%, Nd:3～3.5%, Mn:0.2
～0.6%, Zn:0.1～0.4%, Zr:0.6～0.8%, remaining is Mg；
10 after the cold reality of (b) mixed-powder-6Degasification is progressively heated under torr vacuum condition, then at 500-600 DEG C, 50-200Mpa
Under the conditions of vacuum-sintering 1-4 hour；
C () hot pressing ingot is 90 by die channel turning at 300-400 DEG CoEqual channel angular pressing (ECAP) deformation obtain.
A kind of titanium oxide-titanium carbide crystal whisker toughened magnesium alloy bio-medical material the most according to claim 1, is characterized in that
The precursor composite powder of titanium oxide-titanium carbide crystal whisker adds dehydrated alcohol and carries out mechanization ball milling in ball mill 24 hours, obtains
Must have 200-800nm crystallite dimension ultra-fine precursor composite powder.
A kind of titanium oxide-titanium carbide crystal whisker toughened magnesium alloy bio-medical material the most according to claim 1, its feature
It is: magnesium alloy powder adds dehydrated alcohol and carries out mechanization ball milling in ball mill 24 hours, it is thus achieved that there is 50-150 μm crystal grain chi
Very little superfines.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107974567A (en) * | 2018-01-30 | 2018-05-01 | 山东建筑大学 | A kind of preparation process and method of controllable medical degraded magnesium alloy |
| CN108179318A (en) * | 2018-02-01 | 2018-06-19 | 山东建筑大学 | A kind of preparation method of high-strength degradable nanometer medical titanium magnesium silicon composite |
| CN108193071A (en) * | 2018-02-07 | 2018-06-22 | 山东建筑大学 | A kind of continuously extruded preparation method of the renewable porous nano composite material of titanium-based |
| CN108285987A (en) * | 2018-02-01 | 2018-07-17 | 山东建筑大学 | The preparation method of copper oxide-vanadium carbide particle enhancing antibacterial medical magnesium alloy materials |
| CN111805306A (en) * | 2020-06-19 | 2020-10-23 | 佛山市逸合生物科技有限公司 | Polishing process of medical titanium implant |
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| CN1837392A (en) * | 2006-04-03 | 2006-09-27 | 重庆大学 | Composite material of magnesium alloy and method for preparing the same |
| CN104689368A (en) * | 2015-02-25 | 2015-06-10 | 上海交通大学 | Degradable three-dimensional porous magnesium-based biomaterial and preparation method thereof |
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| CN107974567A (en) * | 2018-01-30 | 2018-05-01 | 山东建筑大学 | A kind of preparation process and method of controllable medical degraded magnesium alloy |
| CN108179318A (en) * | 2018-02-01 | 2018-06-19 | 山东建筑大学 | A kind of preparation method of high-strength degradable nanometer medical titanium magnesium silicon composite |
| CN108285987A (en) * | 2018-02-01 | 2018-07-17 | 山东建筑大学 | The preparation method of copper oxide-vanadium carbide particle enhancing antibacterial medical magnesium alloy materials |
| CN108179318B (en) * | 2018-02-01 | 2020-06-26 | 山东建筑大学 | Preparation method of high-strength degradable nano medical titanium-magnesium-silicon composite material |
| CN108193071A (en) * | 2018-02-07 | 2018-06-22 | 山东建筑大学 | A kind of continuously extruded preparation method of the renewable porous nano composite material of titanium-based |
| CN108193071B (en) * | 2018-02-07 | 2020-05-08 | 山东建筑大学 | Continuous extrusion preparation method of titanium-based renewable porous nanocomposite |
| CN111805306A (en) * | 2020-06-19 | 2020-10-23 | 佛山市逸合生物科技有限公司 | Polishing process of medical titanium implant |
| CN111805306B (en) * | 2020-06-19 | 2022-04-22 | 佛山市逸合生物科技有限公司 | Polishing process of medical titanium implant |
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