CN115109909A - Preparation method of biomedical high-purity magnesium bone plate material - Google Patents

Preparation method of biomedical high-purity magnesium bone plate material Download PDF

Info

Publication number
CN115109909A
CN115109909A CN202210621682.2A CN202210621682A CN115109909A CN 115109909 A CN115109909 A CN 115109909A CN 202210621682 A CN202210621682 A CN 202210621682A CN 115109909 A CN115109909 A CN 115109909A
Authority
CN
China
Prior art keywords
purity magnesium
purity
magnesium
plate material
bone plate
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.)
Granted
Application number
CN202210621682.2A
Other languages
Chinese (zh)
Other versions
CN115109909B (en
Inventor
冯小辉
杨院生
罗天骄
李应举
黄秋燕
郑策
周荣益
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.)
Institute of Metal Research of CAS
Original Assignee
Institute of Metal Research of CAS
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 Institute of Metal Research of CAS filed Critical Institute of Metal Research of CAS
Priority to CN202210621682.2A priority Critical patent/CN115109909B/en
Publication of CN115109909A publication Critical patent/CN115109909A/en
Application granted granted Critical
Publication of CN115109909B publication Critical patent/CN115109909B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/02Inorganic materials
    • A61L27/04Metals or alloys
    • A61L27/047Other specific metals or alloys not covered by A61L27/042 - A61L27/045 or A61L27/06
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/50Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/02Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/06Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of magnesium or alloys based thereon
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2430/00Materials or treatment for tissue regeneration
    • A61L2430/02Materials or treatment for tissue regeneration for reconstruction of bones; weight-bearing implants
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Organic Chemistry (AREA)
  • Transplantation (AREA)
  • Dermatology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The invention belongs to the field of preparation of high-purity magnesium plates, and discloses a preparation method of a biomedical high-purity magnesium bone plate material. The preparation method comprises the following steps: purifying the metal magnesium melt through sequential solidification treatment to obtain a high-purity magnesium round ingot; carrying out deformation extrusion treatment on the high-purity magnesium round ingot to obtain a high-purity magnesium square bar; and (4) rolling the high-purity magnesium square bar to obtain the high-purity magnesium plate. The method improves the purity of the magnesium metal by utilizing the directional migration and impurity removal of the solid-liquid interface, realizes the processing and forming of the high-purity magnesium plate by utilizing the large-deformation extrusion compounding and multi-pass rolling, and improves the mechanical property of the high-purity magnesium plate, thereby obtaining the high-strength and high-purity magnesium plate and meeting the requirements of biomedical bone plate materials.

Description

Preparation method of biomedical high-purity magnesium bone plate material
Technical Field
The invention belongs to the field of preparation of high-purity magnesium plates, and particularly relates to a preparation method of a biomedical high-purity magnesium bone plate material.
Background
The high-purity magnesium has remarkable advantages as biomedical metal materials, such as good biodegradability, biocompatibility, elastic modulus close to that of human bones and the like, and has extremely wide application prospects in the field of biodegradable implant device preparation, so that the high-purity magnesium is increasingly and widely concerned.
Due to the great advantages and potential market prospects of biomedical high-purity magnesium, related scientific research investment is rapidly increased in all countries in recent years, the high land of biomedical high-purity magnesium technology is seized, and the advantages of intellectual property initiatives are obtained.
The problems existing in the prior biomedical high-purity magnesium material mainly comprise two aspects: firstly, due to the lack of a reasonable purification process at present, the purity of the material is not high enough (the highest purity of the prior art is 99.99%), the variety and content change of impurity elements are large, the mechanical property and the biodegradation property of a final product are greatly influenced, the consistency of the performance of a high-purity magnesium implanted device is poor, and the requirements of standardized production and application are difficult to meet; secondly, because the high-purity magnesium does not contain alloy elements, solid solution or precipitation strengthening can not be formed, the strength of the high-purity magnesium is often low, and the mechanical property requirement of a biological implantation device is difficult to meet; in addition, the previous research on the rolling of high-purity magnesium is less, and if relevant technicians research the rolling process and mechanical properties of pure magnesium, the purity of the adopted metal magnesium is 99.95%; in addition, most of the studies on high purity magnesium are conducted using round bar samples. In a word, the research of deformation processing and mechanical properties of the high-purity magnesium plate is lacked at present, the processing technology and the mechanical properties of the high-performance high-purity magnesium plate required by the bone plate material are not reported at present, and the shortage of related research not only restricts the development of the preparation technology, but also limits the application and the popularization of the high-purity magnesium in the aspect of the bone plate metal material.
In view of the above problems, a method for preparing a biomedical high-purity magnesium bone plate material is urgently needed.
Disclosure of Invention
The invention aims to solve the problems of high purification difficulty, low mechanical property, insufficient research on a plate forming process and the like of the existing biomedical magnesium metal, and provides a preparation method of a biomedical high-purity magnesium bone plate material. The method improves the purity of the magnesium metal by utilizing the directional migration and impurity removal of the solid-liquid interface, realizes the processing and forming of the high-purity magnesium plate by utilizing the large-deformation extrusion compounding and multi-pass rolling, and improves the mechanical property of the high-purity magnesium plate, thereby obtaining the high-strength and high-purity magnesium plate and meeting the requirements of biomedical bone plate materials.
In order to achieve the above object, the present invention provides a method for preparing a biomedical high-purity magnesium bone plate material, comprising the following steps:
s1: purifying the metal magnesium melt through sequential solidification treatment to obtain a high-purity magnesium round ingot;
s2: carrying out deformation extrusion treatment on the high-purity magnesium round ingot to obtain a high-purity magnesium square bar;
s3: and rolling the high-purity magnesium square bar to obtain the high-purity magnesium plate.
According to the invention, preferably, the magnesium metal melt is placed in a high-purity graphite crucible for sequential solidification treatment, the vacuum degree is 4000-8000 Pa, the melt temperature is 680-780 ℃, and the solid-liquid interface directional migration speed is 1-10 mm/min.
According to the present invention, preferably, the apparatus for performing the sequential solidification process includes a vacuum induction furnace.
In the present invention, as shown in fig. 1, the sequential solidification process preferably includes: placing the magnesium metal melt 2 in a high-purity graphite crucible 1, vacuumizing to 0.1Pa, filling high-purity argon, keeping the pressure in a vacuum induction furnace at 4000-8000 Pa, melting at 680-780 ℃ in a vacuum induction furnace 6, and keeping the temperature for 30 min; and then, slowly pulling down the high-purity graphite crucible 1 containing the metal magnesium melt 2 to separate the high-purity graphite crucible from the induction coil 4 at a pulling-down speed (the directional migration speed of a solid-liquid interface) of 1-10 mm/min, and taking out the high-purity graphite crucible to obtain the high-purity magnesium round ingot after the high-purity graphite crucible completely separates from the induction coil 4 and is cooled to below 50 ℃.
According to the invention, the magnesium metal melt is preferably obtained by melting crystalline dendritic magnesium blocks obtained by vacuum distillation at 680-780 ℃.
According to the present invention, preferably, the purity of the high-purity magnesium round ingot is not less than 99.995%.
According to the invention, preferably, the extrusion temperature of the deformation extrusion treatment is 100-300 ℃, the extrusion speed is 1-10 mm/min, and the extrusion ratio is not lower than 30.
According to the invention, before the deforming and extruding process, turning process is preferably performed on the high-purity magnesium round ingot.
According to the invention, preferably, the turning process comprises: and carrying out 8-12mm removal and 0.8-1.2mm radial thickness removal on the tail end of the high-purity magnesium round ingot in the length direction through sequential solidification treatment.
According to the invention, preferably, the rolling temperature of the rolling processing treatment is 100-300 ℃, the rolling speed is 1-5 m/s, and the rolling pass is not less than 3.
According to the invention, preferably, the thickness of the high-purity magnesium plate is 2-10 mm, the tensile strength at room temperature is not lower than 170MPa, and the elongation is not lower than 8%. In the present invention, the room temperature is 20 to 30 ℃.
The technical scheme of the invention has the following beneficial effects:
1. the invention adopts a solid-liquid interface directional migration (sequential solidification) purification method, has high purification efficiency, can realize the preparation of kilogram-grade high-purity magnesium ingots, has the purity of high-purity magnesium not less than 99.995 percent after purification treatment, and can meet the purity requirement of biomedical bone plate materials.
2. According to the invention, the high-performance bar stock is prepared by one-step extrusion through deformation processing with a large extrusion ratio not lower than 30, so that the material is provided for multi-pass rolling processing.
3. The method adopts multi-pass rolling, the rolling temperature is 100-300 ℃, the rolling speed is 1-5 m/s, the rolling pass is not less than 3, the method can be realized on conventional rolling equipment, the high-purity magnesium plate with the thickness of 2-10 mm can be prepared, and the requirement of manufacturing the thickness of the biomedical bone plate is met.
4. After the high-purity magnesium plate is subjected to large deformation extrusion and multi-pass rolling, the tensile strength at room temperature of the high-purity magnesium plate is not lower than 170MPa, the elongation is not lower than 8%, and the strength requirement for manufacturing the biomedical bone plate can be met.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic diagram of sequential solidification purification of step S1 of the method for preparing a biomedical high-purity magnesium bone plate material according to the present invention.
Fig. 2(a) - (b) show the cut pictures (not turned) of the high purity magnesium round ingot obtained by the sequential solidification purification of step S1 of the method for preparing the biomedical high purity magnesium bone plate material provided by the present invention.
The reference numerals are illustrated below:
1-high-purity graphite crucible, 2-metal magnesium melt, 3-heat-preservation cylinder, 4-induction coil, 5-water-cooled copper base, 6-vacuum induction furnace and 7-furnace base.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The magnesium metal melts used in examples 1 and 2 below were obtained by melting crystalline dendritic magnesium ingots by vacuum distillation.
Example 1
The embodiment provides a preparation method of a biomedical high-purity magnesium bone plate material, as shown in fig. 1, the preparation method includes the following steps:
s1: placing the magnesium metal melt 2 in a high-purity graphite crucible 1, vacuumizing to 0.1Pa, introducing high-purity argon, keeping the pressure of 5000Pa in a vacuum induction furnace 6, melting at 750 ℃ in the vacuum induction furnace 6, and keeping the temperature for 30 min; then, slowly pulling down the high-purity graphite crucible 1 containing the metal magnesium melt 2 to separate the high-purity graphite crucible from the induction coil 4, wherein the pulling-down speed (the directional migration speed of a solid-liquid interface) is 5mm/min, and taking out the high-purity graphite crucible 1 to obtain a high-purity magnesium round ingot (shown in figures 2(a) - (b)) after the high-purity graphite crucible 1 completely separates from the induction coil 4 and is cooled to below 50 ℃, wherein the turning treatment comprises the following steps: performing 10mm removal and 1mm radial thickness removal on the tail end of the sequential solidification treatment on the high-purity magnesium round ingot in the length direction to obtain a high-purity magnesium round ingot with the diameter of 80mm and the height of 220 mm;
s2: extruding the high-purity magnesium round ingot in an 800T horizontal extruder (the inner diameter of an extrusion cylinder is 125mm), wherein the extrusion temperature is 200 ℃, the extrusion speed is 1mm/min, the extrusion ratio is 30, and a high-purity magnesium square bar with the cross section of 20mm multiplied by 20mm is prepared;
s3: rolling the high-purity magnesium square bar on a 450T rolling mill, preheating for 30min at 300 ℃, and then performing 3-pass rolling at a rolling speed of 1.5m/s to obtain a 7.8mm high-purity magnesium plate, wherein the 3-pass plate thickness change is 20.0 → 16.2 → 12.1 → 7.8.
After rolling is finished, preparing a flaky tensile sample for room-temperature tensile test, and preparing magnesium chips for chemical component ICP-MS mass spectrometry. The purity of the high-purity magnesium plate obtained in the embodiment is 99.996%, the tensile strength in the rolling direction is 176.7MPa, and the elongation is 10.0%.
Example 2
The present embodiment provides a method for preparing a biomedical high-purity magnesium bone plate material, and the difference between the present embodiment and embodiment 1 is only that:
melting at 720 deg.C in vacuum induction furnace 6, and maintaining the temperature for 30 min;
slowly pulling down the high-purity graphite crucible 1 containing the metal magnesium melt 2 to separate the high-purity graphite crucible from the induction coil 4, wherein the pulling-down speed (the directional migration speed of a solid-liquid interface) is 4 mm/min;
the extrusion temperature is 240 ℃;
the high-purity magnesium plate material with the thickness of 2.0mm is obtained by 5 passes of rolling at the rolling speed of 1.5m/s, and the thickness change of the 5 passes of the high-purity magnesium plate material is 20.0 → 16.2 → 12.1 → 7.8 → 4.0 → 2.0.
After rolling is finished, preparing a flaky tensile sample for room-temperature tensile test, and preparing magnesium chips for chemical component ICP-MS mass spectrometry. The purity of the high-purity magnesium plate obtained in the example was 99.996%, the tensile strength in the rolling direction was 189.9MPa, and the elongation was 13.3%.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims (10)

1. A preparation method of a biomedical high-purity magnesium bone plate material is characterized by comprising the following steps:
s1: purifying the metal magnesium melt through sequential solidification treatment to obtain a high-purity magnesium round ingot;
s2: carrying out deformation extrusion treatment on the high-purity magnesium round ingot to obtain a high-purity magnesium square bar;
s3: and rolling the high-purity magnesium square bar to obtain the high-purity magnesium plate.
2. The preparation method of the biomedical high-purity magnesium bone plate material according to claim 1, wherein the metal magnesium melt is placed in a high-purity graphite crucible for sequential solidification treatment, the vacuum degree is 4000-8000 Pa, the melt temperature is 680-780 ℃, and the solid-liquid interface directional migration speed is 1-10 mm/min.
3. The method for preparing a biomedical high-purity magnesium bone plate material according to claim 2, wherein the equipment for performing the sequential solidification treatment comprises a vacuum induction furnace.
4. The method for preparing biomedical high-purity magnesium bone plate material according to claim 1, wherein the magnesium metal melt is obtained by melting a vacuum distillation crystalline magnesium block at 680-780 ℃.
5. The method for preparing a biomedical high-purity magnesium bone plate material according to claim 1, wherein the purity of the high-purity magnesium round ingot is not less than 99.995%.
6. The method for preparing a biomedical high-purity magnesium bone plate material according to claim 1, wherein the extrusion temperature of the deformation extrusion treatment is 100-300 ℃, the extrusion speed is 1-10 mm/min, and the extrusion ratio is not lower than 30.
7. The method for preparing a biomedical high-purity magnesium bone plate material according to claim 1, wherein the step of turning the high-purity magnesium round ingot is further included before the deformation extrusion treatment.
8. The preparation method of the biomedical high-purity magnesium bone plate material according to claim 7, wherein the turning process comprises the following steps: and removing 8-12mm of the tail end of the high-purity magnesium round ingot in the length direction through sequential solidification treatment and removing 0.8-1.2mm of the radial thickness of the high-purity magnesium round ingot.
9. The preparation method of the biomedical high-purity magnesium bone plate material according to claim 1, wherein the rolling temperature of the rolling processing treatment is 100-300 ℃, the rolling speed is 1-5 m/s, and the number of rolling passes is not less than 3.
10. The preparation method of the biomedical high-purity magnesium bone plate material according to claim 1, wherein the high-purity magnesium plate material has a thickness of 2-10 mm, a room-temperature tensile strength of not less than 170MPa, and an elongation of not less than 8%.
CN202210621682.2A 2022-06-02 2022-06-02 Preparation method of biomedical high-purity magnesium bone plate material Active CN115109909B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210621682.2A CN115109909B (en) 2022-06-02 2022-06-02 Preparation method of biomedical high-purity magnesium bone plate material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210621682.2A CN115109909B (en) 2022-06-02 2022-06-02 Preparation method of biomedical high-purity magnesium bone plate material

Publications (2)

Publication Number Publication Date
CN115109909A true CN115109909A (en) 2022-09-27
CN115109909B CN115109909B (en) 2024-06-25

Family

ID=83326620

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210621682.2A Active CN115109909B (en) 2022-06-02 2022-06-02 Preparation method of biomedical high-purity magnesium bone plate material

Country Status (1)

Country Link
CN (1) CN115109909B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101798651A (en) * 2010-04-06 2010-08-11 重庆大学 High-performance wrought magnesium alloy material
CN101886201A (en) * 2010-07-27 2010-11-17 上海交通大学 Deformed magnesium-based alloy bar pipe plate and preparation method thereof
CN106807907A (en) * 2016-12-23 2017-06-09 李蔚晶 The cold crucible vacuum induction melting device for directionally solidifying of low radial symmetry gradient
CN111057890A (en) * 2020-01-09 2020-04-24 有研工程技术研究院有限公司 High-purity purification and high-homogenization casting method for magnesium alloy and magnesium-lithium alloy
CN112337972A (en) * 2019-08-07 2021-02-09 鹤壁恒镁新材料科技有限公司 Method for preparing high-performance magnesium alloy through secondary deformation
CN113444888A (en) * 2021-06-29 2021-09-28 重庆大学 Method for purifying magnesium melt by adopting directional solidification
CN114318188A (en) * 2021-12-08 2022-04-12 中国科学院金属研究所 High-strength corrosion-resistant degradable high-purity magnesium wire and preparation method thereof
CN114318187A (en) * 2021-12-08 2022-04-12 中国科学院金属研究所 Biomedical high-purity high-strength corrosion-resistant Mg-Zn-Mn magnesium alloy wire and preparation method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101798651A (en) * 2010-04-06 2010-08-11 重庆大学 High-performance wrought magnesium alloy material
CN101886201A (en) * 2010-07-27 2010-11-17 上海交通大学 Deformed magnesium-based alloy bar pipe plate and preparation method thereof
CN106807907A (en) * 2016-12-23 2017-06-09 李蔚晶 The cold crucible vacuum induction melting device for directionally solidifying of low radial symmetry gradient
CN112337972A (en) * 2019-08-07 2021-02-09 鹤壁恒镁新材料科技有限公司 Method for preparing high-performance magnesium alloy through secondary deformation
CN111057890A (en) * 2020-01-09 2020-04-24 有研工程技术研究院有限公司 High-purity purification and high-homogenization casting method for magnesium alloy and magnesium-lithium alloy
CN113444888A (en) * 2021-06-29 2021-09-28 重庆大学 Method for purifying magnesium melt by adopting directional solidification
CN114318188A (en) * 2021-12-08 2022-04-12 中国科学院金属研究所 High-strength corrosion-resistant degradable high-purity magnesium wire and preparation method thereof
CN114318187A (en) * 2021-12-08 2022-04-12 中国科学院金属研究所 Biomedical high-purity high-strength corrosion-resistant Mg-Zn-Mn magnesium alloy wire and preparation method thereof

Also Published As

Publication number Publication date
CN115109909B (en) 2024-06-25

Similar Documents

Publication Publication Date Title
US10077492B2 (en) Ultrafine-grained profile of twin-crystal wrought magnesium alloys, preparation process and use of the same
CN101886232B (en) Amorphous alloy-based composite material and preparation method thereof
CN108145157B (en) Preparation method of high-performance molybdenum-rhenium alloy bar
CN108160995B (en) Process for preparing pure rhenium products
CN110747365B (en) High-plasticity high-strength high-conductivity CuCrZr copper alloy and preparation method thereof
CN112195360B (en) Preparation method of ultra-fine electronic wire rod made of ultra-high-tension rare earth copper-silver alloy
CN108236495B (en) Low-alloying degradable miniature internal fixation assembly and magnesium alloy preparation method
CN112494725B (en) Biodegradable composite material and preparation method and application thereof
CN111778429A (en) Degradable intravascular stent made of zinc-based alloy material and preparation method thereof
CN115109909B (en) Preparation method of biomedical high-purity magnesium bone plate material
CN115233061B (en) Ultrahigh-plasticity rare earth deformed magnesium alloy plate and preparation method thereof
WO2007079789A1 (en) Method for the production of silicon suitable for solar purposes
EP2412834B1 (en) Mg ALLOY MEMBER
CN114733925A (en) Continuous preparation method for zinc alloy superfine wire
CN107739884A (en) A kind of high-conductivity copper alloy and preparation method thereof
CN111992591A (en) Extrusion-SECAP Extrusion deformation device and method for preparing fine crystalline material
CN112276093A (en) Preparation method of ultra-pure magnesium rod
CN111020257A (en) Method for improving purity of nickel cupronickel material
CN116043050B (en) Preparation process of medical magnesium alloy material with low iron content
CN116623107B (en) Zr-based bulk amorphous alloy with excellent compression plasticity and preparation method thereof
CN114540687B (en) Magnesium alloy, preparation method thereof and process for preparing wheel by using magnesium alloy
CN115846931B (en) Magnesium alloy welding wire, preparation method thereof and ZM6 magnesium alloy welding method
CN109576521B (en) Processing method for processing high-strength rare earth magnesium alloy material by utilizing rare earth magnesium alloy recycling waste
CN114453418A (en) Short-process preparation method of high-strength high-conductivity Cu-Ni-Co-Si-Li alloy high-precision band
CN110610782B (en) Nb-shaped alloy3Refining method of SnCu bar alloy grains for Sn superconducting wire

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