CN107460524B - Differential arc oxidation prepares the solution formula and technique of magnesium and the Mg alloy surface coating containing tantalum - Google Patents

Differential arc oxidation prepares the solution formula and technique of magnesium and the Mg alloy surface coating containing tantalum Download PDF

Info

Publication number
CN107460524B
CN107460524B CN201710713489.0A CN201710713489A CN107460524B CN 107460524 B CN107460524 B CN 107460524B CN 201710713489 A CN201710713489 A CN 201710713489A CN 107460524 B CN107460524 B CN 107460524B
Authority
CN
China
Prior art keywords
solution
magnesium
tantalum
containing tantalum
cathode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710713489.0A
Other languages
Chinese (zh)
Other versions
CN107460524A (en
Inventor
李涌泉
刘广君
陈洋
耿桂宏
侯俊峰
蒋亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Muyi Technology Co ltd
Original Assignee
North Minzu University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by North Minzu University filed Critical North Minzu University
Priority to CN201710713489.0A priority Critical patent/CN107460524B/en
Publication of CN107460524A publication Critical patent/CN107460524A/en
Application granted granted Critical
Publication of CN107460524B publication Critical patent/CN107460524B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02Anodisation
    • C25D11/30Anodisation of magnesium or alloys based thereon
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02Anodisation
    • C25D11/026Anodisation with spark discharge

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Materials For Medical Uses (AREA)

Abstract

The invention belongs to metal material surface field of engineering technology, and in particular to differential arc oxidation prepares the solution formula and technique of magnesium and the Mg alloy surface coating containing tantalum.The invention discloses solution formulas, and including sodium metasilicate, tertiary sodium phosphate, sodium hydroxide, ethanol tantalum, water, the ethanol tantalum in formula can be replaced with tantalum oxalate, and water is solvent.The invention also discloses the preparation processes of coating: sample is cleaned with sand paper polishing, cold water wash, acetone oil removing, EtOH Sonicate, then solution is prepared, sample is connect with microarc oxidation equipment provided anode again, stainless steel substrates are cathode, cathode, anode are put into prepared solution, cooling and agitating solution, start it is microarc oxidation equipment provided, coating preparation complete close it is microarc oxidation equipment provided, unload sample, cleaning, drying.Gained coating binding force is good, even tissue, can improve the corrosion resistance of magnesium and magnesium alloy and improve its biocompatibility.Equipment needed for prepares coating of the present invention is simple, and process stabilizing is reliable, easy to realize.

Description

Differential arc oxidation prepares the solution formula and technique of magnesium and the Mg alloy surface coating containing tantalum
Technical field
The invention belongs to metal material surface field of engineering technology, and in particular to differential arc oxidation prepares magnesium and Mg alloy surface The solution formula and technique of the coating containing tantalum.
Background technique
Traditional biological material based on stainless steel and titanium alloy plays the development of implantation material fixed in modern orthopaedics Great effect.But traditional orthopedic implanting material generates stress shielding after implanting and hinders union;After union Second operation is needed to take out;The problems such as after taking out refracture easily occurs for material promotes people to find possible substitute.Using magnesium as base The biomaterial of matter is due to good metallic character, mechanical property and degradability (absorption of human body is not necessarily to second operation) As the hot spot studied now, and very likely become new orthopedic implanting material.But magnesium-based material corrosion resistance is low, in bone Matter loses mechanical property because of corrosion before not healing, therefore, how while improving with the corrosion resistance of magnesium-based material again It can guarantee the biomechanics characteristic and biocompatibility of magnesium-based material, this is the hot spot studied at this stage.In it is mainly studied Have: (1) magnesium and other one or more metals form alloy.Common metallic element has manganese, zinc, aluminium, calcium and rare earth element Deng.The purer magnesium material of magnesium alloy materials corrosion resistance after synthesis is greatly improved, but as biological implantable material, Its bio-compatible sex expression is unsatisfactory.(2) another common method is to carry out surface modification, increase on magnesium alloy materials surface Surface covering or surface protection film.Existing result of study shows that tantalum element has more good biofacies compared with magnesium, titanium elements Capacitive, while coating containing tantalum has good osteoconductive and bone-inducing activity.
Currently, still belonging to blank in the technology of preparing of magnesium alloy surface micro-arc preparation coating containing tantalum and its application.Therefore it studies Has the technology of preparing of the coating containing tantalum of biocompatibility, osteoconductive and bone-inducing activity to magnesium and magnesium with realization Mg alloy surface The application of alloy is of great significance.
In conclusion main problem of the existing technology has: 1. magnesium-based material corrosion resistances are poor, in sclerotin Mechanical property is lost because of corrosion before not healing;2. magnesium and other metals form the magnesium alloy materials corrosion resistance after alloy Purer magnesium material is greatly improved, but as biological implantable material, bio-compatible sex expression is unsatisfactory.
Summary of the invention
The purpose of the present invention is aiming at the problems existing in the prior art, provide the anti-corruption that magnesium and magnesium alloy both can be improved Corrosion energy, but the differential arc oxidation that can improve its biocompatibility prepares the solution formula and work of magnesium and the Mg alloy surface coating containing tantalum Skill.The technique also has many advantages, such as to be simple and convenient to operate, is easily achieved, is high-efficient, is suitable for production and application.Pass through the technique The coating binding force of acquisition is good, even tissue.
To achieve the above object, first technical solution that the present invention uses is: differential arc oxidation prepares magnesium and magnesium alloy table The solution formula of face coating containing tantalum, which is characterized in that include: sodium metasilicate, tertiary sodium phosphate, sodium hydroxide, ethyl alcohol in solution formula Tantalum, water.
Further, sodium metasilicate, tertiary sodium phosphate, sodium hydroxide, the concentration of ethanol tantalum are respectively silicic acid in the solution formula Sodium: 8-10g/L, tertiary sodium phosphate: 6-8g/L, sodium hydroxide: 1-2g/L, ethanol tantalum: 5-10ml/L.
Further, sodium metasilicate, tertiary sodium phosphate, sodium hydroxide, ethanol tantalum are that analysis is pure in the solution formula, and water is to steam Distilled water or purified water.
Second technical solution that the present invention uses is: differential arc oxidation prepares the solution of magnesium and the Mg alloy surface coating containing tantalum Formula, which is characterized in that include: sodium metasilicate, tertiary sodium phosphate, sodium hydroxide, tantalum oxalate, water in solution formula.
Further, sodium metasilicate, tertiary sodium phosphate, sodium hydroxide, the concentration of tantalum oxalate are respectively silicic acid in the solution formula Sodium: 8-10g/L, tertiary sodium phosphate: 6-8g/L, sodium hydroxide: 1-2g/L, tantalum oxalate: 5-10ml/L.
Further, sodium metasilicate, tertiary sodium phosphate, sodium hydroxide, tantalum oxalate are that analysis is pure in the solution formula, and water is to steam Distilled water or purified water.
The third technical solution that the present invention uses is: differential arc oxidation prepares the work of magnesium and the Mg alloy surface coating containing tantalum Skill, which comprises the following steps:
S1. cold water wash after magnesium and magnesium alloy sample being polished with 200#-1500# sand paper, acetone oil removing, EtOH Sonicate Cleaning, then drying is stand-by;
S2. microarc oxidation solution is prepared, prepared solution is stirred evenly with glass bar;
S3. sample is connect with microarc oxidation equipment provided anode, uses stainless steel substrates as cathode, using the small sun of big cathode Pole structure;
S4. the cathode connected, anode are put into prepared solution, cathode is placed in parallel with anode, spacing 2- 3cm;
S5. the cooling solution of cooling device is opened, agitating device agitating solution is opened;
S6. start it is microarc oxidation equipment provided, be arranged its operating voltage be 380-420V, duty ratio 20, power frequency 300- 500HZ, working time 30-40min;
S7. microarc oxidation equipment provided, cooling device and agitating device are closed after the completion of coating preparation;
S8. the sample after differential arc oxidation is unloaded, EtOH Sonicate cleaning, drying to get.
Further, acetone oil removing described in step S1 is that sample is put into acetone to impregnate, soaking time >=5min;It is described EtOH Sonicate scavenging period >=5min.
Further, ethyl alcohol described in step S1 and S8 is dehydrated alcohol, wherein containing CH3CH2OH≥99.7%。
Further, the area ratio of big cathode and primary anode described in step S3 are as follows: cathode plane Ji ︰ annode area >=2 ︰ 1.
Further, solution is cooled to 20-30 DEG C in step S5.
Further, cooling device described in step S5 and S7 is circulating water device, and the agitating device is air pump.
Further, the scavenging period of EtOH Sonicate described in step S8 >=2min.
Further, drying described in step S8 is that hair dryer or natural wind dry up.
The 4th technical solution that the present invention uses is: magnesium and the Mg alloy surface coating containing tantalum of differential arc oxidation preparation, It is characterized in that, includes the Mg containing tantalum in the composition of the coating containing tantalum2SiO4And MgO.
Beneficial effects of the present invention:
1, the present invention solves the technical problem that magnesium and corrosion resistance of magnesium alloy can be poor;
2, the coating containing tantalum prepared by the present invention has more excellent biocompatibility, good osteoconductive and lures bone Activity;
3, equipment needed for prepares coating of the present invention is simple, and process stabilizing is reliable, easy to realize, gained coating binding force is good, Even tissue.
Detailed description of the invention
Fig. 1 a is the microstructure figure by the coating surface obtained containing tantalum of the embodiment of the present invention 1;
Fig. 1 b is the microstructure figure by the coating cross sections obtained containing tantalum of the embodiment of the present invention 1;
Fig. 2 a is the microstructure figure by the coating surface obtained containing tantalum of the embodiment of the present invention 2;
Fig. 2 b is the microstructure figure by the coating cross sections obtained containing tantalum of the embodiment of the present invention 2;
Fig. 3 a is the microstructure figure by the coating surface obtained containing tantalum of the embodiment of the present invention 3;
Fig. 3 b is the microstructure figure by the coating cross sections obtained containing tantalum of the embodiment of the present invention 3;
Fig. 4 is the structural schematic diagram by the coating cross sections obtained containing tantalum of the embodiment of the present invention 1;
In figure, 1 is coating, and 2 be matrix;
Fig. 5 is the process flow chart that differential arc oxidation of the present invention prepares magnesium and the Mg alloy surface coating containing tantalum.
Specific embodiment
Technical solution of the present invention is described in detail with reference to the accompanying drawing, but the contents of the present invention are not limited to This.
Embodiment 1
Magnesium and Mg alloy surface coating containing tantalum are prepared using micro-arc oxidation.
As shown in the process flow chart of Fig. 5, the present embodiment is followed the steps below: 1. by magnesium alloy sample successively The cold water wash after the polishing of 200#, 600#, 1200# and 1500# sand paper, acetone soak 5min oil removing, dehydrated alcohol ultrasonic cleaning 5min, then drying is stand-by;2. preparing microarc oxidation solution: wherein containing the sodium metasilicate of 8g/L, the tertiary sodium phosphate of 6g/L, 1g/L Sodium hydroxide, the ethanol tantalum of 5ml/L, solvent is distilled water, and prepared solution is stirred evenly with glass bar;3. by sample It is connect with microarc oxidation equipment provided anode, uses stainless steel substrates as cathode, using big cathode primary anode structure (cathode plane Ji ︰ sun Pole-face accumulates >=2 ︰ 1);4. the cathode connected, anode are put into prepared solution, cathode is placed in parallel with anode, and spacing is 2cm;5. circulating water is used, to guarantee the temperature of solution in experimentation for 20 DEG C;Solution is stirred using air pump It mixes;6. starting is microarc oxidation equipment provided, it is 380V, duty ratio 20, power frequency 300HZ, working time that its operating voltage, which is arranged, 30min;7. closing microarc oxidation equipment provided, circulating water cooling device and air pump agitating device after the completion of coating preparation;8. will Sample after differential arc oxidation unloads, dehydrated alcohol be cleaned by ultrasonic 2min, hair dryer drying to get.
Fig. 1 a and Fig. 1 b are shown in by the microstructure figure that embodiment 1 obtains coating surface containing tantalum and section respectively.
As shown in figure 4, by the obtained coating containing tantalum on magnesium alloy matrix of embodiment 1, wherein the master of coating containing tantalum It will be by the Mg containing tantalum2SiO4It is formed with MgO, electronic probe component analysis is shown, the chemical component of the coating are as follows: 52.07O- 29.26Mg-2.42Al-6.68Si-9.57Ta at.% realizes the preparation of Mg alloy surface coating containing tantalum, and entire coating matter Amount is good.
Embodiment 2
Magnesium and Mg alloy surface coating containing tantalum are prepared using micro-arc oxidation.
As shown in the process flow chart of Fig. 5, the present embodiment is followed the steps below: 1. successively pass through magnesium alloy sample Cold water wash after the polishing of 200#, 600#, 1200# and 1500# sand paper, acetone soak 5min oil removing, dehydrated alcohol ultrasonic cleaning 10min, then drying is stand-by;2. preparing microarc oxidation solution: the sodium metasilicate of 9g/L, the tertiary sodium phosphate of 7g/L, the hydrogen of 1.5g/L Sodium oxide molybdena, the ethanol tantalum of 7.5ml/L, solvent are distilled water, and prepared solution is stirred evenly with glass bar;3. by sample with Microarc oxidation equipment provided anode connection, uses stainless steel substrates as cathode, using big cathode primary anode structure (cathode plane Ji ︰ anode Area >=2 ︰ 1);4. the cathode connected, anode are put into prepared solution, cathode is placed in parallel with anode, and spacing is 2.5cm;5. circulating water is used, to guarantee the temperature of solution in experimentation for 25 DEG C;Air pump is used in experimentation Solution is stirred;6. starting is microarc oxidation equipment provided, it is 400V, duty ratio 20, power frequency that its operating voltage, which is arranged, 400HZ, working time 35min;7. closing microarc oxidation equipment provided, circulating water cooling device and air pump after the completion of coating preparation Agitating device;8. the sample after differential arc oxidation is unloaded, dehydrated alcohol is cleaned by ultrasonic 2.5min, natural wind drying to get.
Fig. 2 a and Fig. 2 b are shown in by the microstructure figure that embodiment 2 obtains coating surface containing tantalum and section respectively.
Embodiment 3
Magnesium and Mg alloy surface coating containing tantalum are prepared using micro-arc oxidation.
As shown in the process flow chart of Fig. 5, the present embodiment is followed the steps below: 1. successively pass through magnesium alloy sample Cold water wash after the polishing of 200#, 600#, 1200# and 1500# sand paper, acetone soak 5min oil removing, dehydrated alcohol ultrasonic cleaning 10min, then drying is stand-by;2. preparing microarc oxidation solution: the sodium metasilicate of 10g/L, the tertiary sodium phosphate of 8g/L, the hydrogen of 2g/L Sodium oxide molybdena, the ethanol tantalum of 10ml/L, solvent are distilled water, and prepared solution is stirred evenly with glass bar;3. by sample with it is micro- The anode of arc oxidation furnaces connects, and uses stainless steel substrates as cathode, using big cathode primary anode structure (cathode plane Ji ︰ anode surface >=2 ︰ 1 of product);4. the cathode connected, anode are put into prepared solution, cathode is placed in parallel with anode, spacing 3cm; 5. circulating water is used, to guarantee the temperature of solution in experimentation for 25 DEG C;Using air pump to solution in experimentation It is stirred;6. starting is microarc oxidation equipment provided, it is 420V, duty ratio 20, power frequency 500HZ, work that its operating voltage, which is arranged, Make time 40min;7. closing microarc oxidation equipment provided, circulating water cooling device and air pump agitating device after the completion of coating preparation; 8. the sample after differential arc oxidation is unloaded, dehydrated alcohol is cleaned by ultrasonic 3min, natural wind drying to get.
Fig. 3 a and Fig. 3 b are shown in by the microstructure figure that embodiment 3 obtains coating surface containing tantalum and section respectively.
The above is only presently preferred embodiments of the present invention, the interest field being not intended to limit the invention.It is any with this The technical solution or anyone skilled in the art that the interest field that claim is covered is implemented utilize The method content of the disclosure above makes the scheme of many possible changes and modifications, all belongs to the scope of protection of the present invention.

Claims (4)

1. the solution that differential arc oxidation prepares magnesium and the Mg alloy surface coating containing tantalum, which is characterized in that include: silicic acid in solution formula Sodium: 8-10g/L, tertiary sodium phosphate: 6-8g/L, sodium hydroxide: 1-2g/L, ethanol tantalum: 5-10ml/L;The sodium metasilicate, tricresyl phosphate Sodium, sodium hydroxide, ethanol tantalum are that analysis is pure, and water is distilled water or purified water.
2. the solution that differential arc oxidation prepares magnesium and the Mg alloy surface coating containing tantalum, which is characterized in that include: silicic acid in solution formula Sodium: 8-10g/L, tertiary sodium phosphate: 6-8g/L, sodium hydroxide: 1-2g/L, tantalum oxalate: 5-10ml/L;Silicic acid in the solution formula Sodium, tertiary sodium phosphate, sodium hydroxide, tantalum oxalate are that analysis is pure, and water is distilled water or purified water.
3. the technique that differential arc oxidation prepares magnesium and the Mg alloy surface coating containing tantalum, which comprises the following steps:
S1. cold water wash after magnesium and magnesium alloy sample being polished with 200#-1500# sand paper, acetone oil removing, EtOH Sonicate cleaning, Then drying is stand-by;
S2. microarc oxidation solution is prepared with solution formula as claimed in claim 1 or 2, configured solution is stirred equal with glass bar It is even;
S3. sample is connect with microarc oxidation equipment provided anode, uses stainless steel substrates as cathode, using big cathode primary anode knot Structure;The area ratio of the big cathode and primary anode are as follows: cathode plane Ji ︰ annode area >=2 ︰ 1;
S4. the cathode connected, anode are put into configured solution, cathode is placed in parallel with anode, spacing 2-3cm;
S5. the cooling solution of cooling device is opened, agitating device agitating solution is opened;
S6. start it is microarc oxidation equipment provided, be arranged its operating voltage be 380-420V, duty ratio 20%, power frequency 300- 500HZ, working time 30-40min;
S7. microarc oxidation equipment provided, cooling device and agitating device are closed after the completion of coating preparation;The cooling device is circulation Water installations, the agitating device are air pump, and the solution is cooled to 20-30 DEG C;
S8. the sample after differential arc oxidation is unloaded, EtOH Sonicate cleaning, drying to get.
4. magnesium and the Mg alloy surface coating containing tantalum of differential arc oxidation preparation, include the Mg containing tantalum in the composition of the coating containing tantalum2SiO4With MgO, which is characterized in that the chemical component of the coating containing tantalum are as follows: 52.07O-29.26Mg-2.42Al-6.68Si-9.57Ta at.%。
CN201710713489.0A 2017-08-16 2017-08-16 Differential arc oxidation prepares the solution formula and technique of magnesium and the Mg alloy surface coating containing tantalum Active CN107460524B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710713489.0A CN107460524B (en) 2017-08-16 2017-08-16 Differential arc oxidation prepares the solution formula and technique of magnesium and the Mg alloy surface coating containing tantalum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710713489.0A CN107460524B (en) 2017-08-16 2017-08-16 Differential arc oxidation prepares the solution formula and technique of magnesium and the Mg alloy surface coating containing tantalum

Publications (2)

Publication Number Publication Date
CN107460524A CN107460524A (en) 2017-12-12
CN107460524B true CN107460524B (en) 2019-08-16

Family

ID=60550050

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710713489.0A Active CN107460524B (en) 2017-08-16 2017-08-16 Differential arc oxidation prepares the solution formula and technique of magnesium and the Mg alloy surface coating containing tantalum

Country Status (1)

Country Link
CN (1) CN107460524B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115198331A (en) * 2021-04-14 2022-10-18 株式会社日立制作所 Electrolyte and micro-arc oxidation method of high-thermal-conductivity magnesium alloy
CN114381778B (en) * 2021-12-20 2023-12-01 中国兵器科学研究院宁波分院 Method for preparing tantalum biological coating on surface of magnesium and magnesium alloy

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8808522B2 (en) * 2011-09-07 2014-08-19 National Chung Hsing University Method for forming oxide film by plasma electrolytic oxidation
CN103526262A (en) * 2013-10-17 2014-01-22 赵全明 Method for performing surface modification on tantalum and tantalum alloy and electrolyte used in method
CN106637352A (en) * 2015-08-19 2017-05-10 宁波瑞隆表面技术有限公司 Electrolytic solution and method for preparing biological activity Ca-P ceramic film on magnesium alloy surface

Also Published As

Publication number Publication date
CN107460524A (en) 2017-12-12

Similar Documents

Publication Publication Date Title
Chang et al. Formation of dicalcium phosphate dihydrate on magnesium alloy by micro-arc oxidation coupled with hydrothermal treatment
CN107460524B (en) Differential arc oxidation prepares the solution formula and technique of magnesium and the Mg alloy surface coating containing tantalum
CN106958014B (en) In the method for pure magnesium surface building hybrid inorganic-organic function and service coating
CN101709496B (en) Micro-arc oxidation-electrodeposition preparation method of magnesium-based bioactive coating
CN104784750B (en) Improve the corrosion proof surface modifying method of morphotropism Biological magnesium alloy implant devices
CN103643274B (en) A kind of method and application thereof preparing graphene oxide layer by being electrodeposited in titanium surface
CN101560685B (en) Method for preparing bioactive coating on titanium alloy surface
CN107142444A (en) A kind of preparation method of the medical zircaloy of β types of surface oxidation
Tao et al. Synthesis of a porous oxide layer on a multifunctional biomedical titanium by micro-arc oxidation
CN101994143A (en) Preparation method of titanium alloy/biological ceramic layer composite material
CN105696054A (en) Preparation method for forming calcium-containing nanosheet film layer on surface of sandblasted and acid-etched titanium
CN104562145A (en) Method for preparing bioceramic membrane by composite oxidation
CN103526262A (en) Method for performing surface modification on tantalum and tantalum alloy and electrolyte used in method
CN110408975A (en) Low pressure micro-arc oxidation electrolyte, method and products thereof
CN103194781A (en) Bioactivity surface modification method used in degradable magnesium alloy
CN102304746A (en) Polypyrrole calcium phosphate/magnesium oxide bioceramic coating and preparation method thereof
CN104988558A (en) Method for preparing biological ceramic membrane layer on titanium alloy surface through graded combined oxidation in stages
CN103301512B (en) Absorbable biological material and preparation method thereof
CN102389588B (en) Magnesium or magnesium alloy material used for biological implantation and preparation method thereof
CN103451640A (en) Method for preparing degradable biomedical magnesium alloy/calcium-phosphorus coating composite material
CN106075600A (en) A kind of preparation method of medical degradable calcium phosphate coating magnesium alloy
CN103272284A (en) Biological medical controllable all-degradable material and preparation method thereof
CN108930023A (en) A kind of method that Mg alloy surface magnetron sputtering prepares tantalum biological coating
CN103498184A (en) Micro arc electrophoresis modification method of biomedical magnesium alloy
CN106282975A (en) The hydroxyapatite super-hydrophobic film layer prepared at Mg alloy surface and method and application

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20240513

Address after: No. 6 Qihang Road, West District, Guangde Economic Development Zone, Xuancheng City, Anhui Province, 242000

Patentee after: Anhui Muyi Technology Co.,Ltd.

Country or region after: China

Address before: 750021 No. 204, Wenchang North Street, Xixia District, the Ningxia Hui Autonomous Region, Yinchuan

Patentee before: BEIFANG MINZU University

Country or region before: China

TR01 Transfer of patent right