The processing of Mg alloy micro tubes for biodegradable

The processing of Mg alloy micro tubes for biodegradable

The processing of Mg alloy micro-tubes for biodegradable ...2.1. Processing of Mg alloy micro-tubes. As-cast Mg–2Zn–0.46Y–0.5Nd (wt%) alloy cylindrical sample with a length of 50 mm and a diameter of 36 mm were obtained for extrusion by wire cutting. Alloy billets were pre-extruded at 350 °C with an extrusion ratio of 7:1.Cited by 21Publish Year

US Patent for Biodegradable magnesium alloy nerve

Jun 27, 2014A biodegradable magnesium alloy nerve conduit for nerve defect repair has multiple lines of through holes in the tube wall thereof, the through holes in each line are axially arranged along a circular tube at equal distances, and the through holes in adjacent lines are arranged in a staggered way. A method for preparing the nerve conduit includes steps of (step 1) processing a 45-degree The processing of Mg alloy micro tubes for biodegradable The processing of Mg alloy micro-tubes for biodegradable The processing of Mg alloy micro tubes for biodegradable 2.1. Processing of Mg alloy micro-tubes. As-cast Mg2Zn0.46Y0.5Nd (wt%) alloy cylindrical sample with a length of 50 mm and a diameter of 36 mm were obtained for extrusion by wire cutting. Alloy billets were pre-extruded at 350 °C with an extrusion ratio of 7:1.The Fundamental Compari of Zn2Mg and Mg4Y3RE Corrosion behaviour of this alloy was compared with well-known biodegradable Mg-based alloy Mg4Y3RE. Both measurements have shown that zinc alloy corrodes relatively slowly and uniformly. Comparing the corrosion rates of Zn2Mg and Mg4Y3RE calculated from weight losses, it can be seen easily that Zn2Mg alloy degrades in in The processing of Mg alloy micro tubes for biodegradable Synthesis, Microstructure and Mechanical Properties of biodegradable bone implants. Ca and Zn have a considerable effect on improving both corrosion resistance and mechanical properties of Mg (10). Another approach which is propounded for Mg alloy to meet the requirements for bone tissue engineering is to composite Mg alloy with biocompatible and bioresorbable reinforcement (11).

Fabrication of Mg alloy tubes for biodegradable stent The processing of Mg alloy micro tubes for biodegradable

Jul 27, 2013The processing of Mg alloy micro-tubes for biodegradable vascular stents. Liu F, Chen C, Niu J, Pei J, Zhang H, Huang H, Yuan G. Mater Sci Eng C Mater Biol Appl, 48:400-407, 09 Dec 2014 Cited by 3 articles PMID 25579940Biodegradable Magnesium Alloys Developed as Bone Repair The processing of Mg alloy micro tubes for biodegradable In addition to the above commercial Mg alloy systems, new Mg alloys have also been developed for use in orthopedic applications, including Mg-Ca, Mg-Sr, Mg-Zn, and Mg-RE alloy systems. Ca, acting as a grain-refining agent in Mg alloys, can stabilize grain size at levels up to 0.5% of the Ca content and cause slight decreases with further The processing of Mg alloy micro tubes for biodegradable Short and long term degradation behaviour of Mg1Ca The processing of Mg alloy micro tubes for biodegradable May 16, 2012The main problem limiting the application of magnesium alloys as biodegradable implant material is its high degradation rate. In order to slow down the corrosion rate an extrusion process and specific coating systems based on plasmachemical oxidation (PCO) and organic dip coating with poly(L lactidcocaprolacton) (PLLC) were applied on Mg1Ca magnesium alloy.

Short and long term degradation behaviour of Mg1Ca The processing of Mg alloy micro tubes for biodegradable

May 16, 2012The main problem limiting the application of magnesium alloys as biodegradable implant material is its high degradation rate. In order to slow down the corrosion rate an extrusion process and specific coating systems based on plasmachemical oxidation (PCO) and organic dip coating with poly(L lactidcocaprolacton) (PLLC) were applied on Mg1Ca magnesium alloy.Recent Progress on Mg- and Zn-Based Alloys for The processing of Mg alloy micro tubes for biodegradable The processing of Mg alloy micro-tubes for biodegradable vascular stents, Materials Science & Engineering. C, Materials for Biological Applications , vol. 48, pp. 400407, 2015. View at Publisher Site Processing of a Novel Zn Alloy Micro-Tube for The processing of Mg alloy micro tubes for biodegradable Sep 01, 2016However, compared with the large literature on the corrosion performance of Zn alloy, , , few investigations have been done on the processing of Zn alloy micro-tubes used for biodegradable stents. It is mainly because Zn alloys are difficult to be directly produced into the required micro-tubes due to the low deformability and unfavorable The processing of Mg alloy micro tubes for biodegradable Processing of a Novel Zn Alloy Micro-Tube for The processing of Mg alloy micro tubes for biodegradable However, compared with the large literature on the corrosion performance of Zn alloy [], [] and [], few investigations have been done on the processing of Zn alloy micro-tubes used for biodegradable stents.It is mainly because Zn alloys are difficult to be directly produced into the required micro-tubes due to the low deformability and unfavorable mechanical properties caused by hexagonal The processing of Mg alloy micro tubes for biodegradable

Processing and properties of magnesium alloy micro-tubes The processing of Mg alloy micro tubes for biodegradable

In this study, Mg-Zn-Y-Nd alloy tube blank was firstly produced through hot extrusion. By multi-pass cold drawing combining with interpass annealing, the extruded tube blank can be processed into high-precision micro-tube with an outer diameter of about 2.0 mm and a wall thickness of about 0.15 mm.Processing Aspects of Magnesium Alloy Stent Tube The processing of Mg alloy micro tubes for biodegradable Different steps in manufacturing magnesium AZ-alloy stent tube are considered, including equal channel angular pressing, extrusion and subsequent drawing operations. Results show that the processing route has an important influence on the micro structure of the finished stent tube and hence on Processing Aspects of Magnesium Alloy Stent Tube The processing of Mg alloy micro tubes for biodegradable Different steps in manufacturing magnesium AZ-alloy stent tube are considered, including equal channel angular pressing, extrusion and subsequent drawing operations. Results show that the processing route has an important influence on the micro structure of the finished stent tube and hence on Phenolic Modified Ceramic Coating on Biodegradable Mg The processing of Mg alloy micro tubes for biodegradable To increase the corrosion resistance of the substrate, a protective ceramic coating is constructed by a micro-arc oxidation (MAO) process on ZK60 magnesium alloy. The porous ceramic coating is mainly composed of magnesium oxide and magnesium silicate, and the results from cell cultures show it can stimulate osteoblastic cell growth and The processing of Mg alloy micro tubes for biodegradable

Opportunities and challenges for the biodegradable The processing of Mg alloy micro tubes for biodegradable

Biodegradable Mg and Mg alloys can be used as a short-term structural support and allows for recovery of arteries without leaving behind foreign materials, offering the possibility of enhanced wound healing and reconstruction of vascular compliance while minimizing chronic inflammatory response and reducing the rate of late restenosis.Micro Characterization of Mg and Mg Alloy for The processing of Mg alloy micro tubes for biodegradable Magnesium as a candidate metallic biomaterial for biodegradable orthopedic implants was evaluated in-vitro in terms of degradation behavior, biocompatibility and mechanical property both in macro- and micro-scale. Micro structure of pure Mg and AZ61 after degradation in both simulated body fluid (SBF) and cell culture environment were analyzed.Materials Free Full-Text Biodegradable Orthopedic The processing of Mg alloy micro tubes for biodegradable Magnesium-Calcium (Mg-Ca) alloy has received considerable attention as an emerging biodegradable implant material in orthopedic fixation applications. The biodegradable Mg-Ca alloys avoid stress shielding and secondary surgery inherent with permanent metallic implant materials. They also provide sufficient mechanical strength in load carrying applications as opposed to biopolymers.Investigation of MgZnYNd alloy for potential The processing of Mg alloy micro tubes for biodegradable Jan 08, 20202.1. Materials performance compari of MgZnYNd and 317L SS. Both the MgZnYNd (preserved in our laboratory) and 317L SS plates (Baoji, China) were cut into small discs with the 8 mm diameter and polished as the previous reports described [9,10].The morphology and roughness of the clear MgZnYNd alloy and the 317L SS control were observed by 3D optical

Influence of fine-grain and solid-solution strengthening The processing of Mg alloy micro tubes for biodegradable

and processing map of Mg-Y-Sr-La(Ce)-Zr biodegradable magnesium alloy D. Liu et al-Mechanical properties, corrosion resistance and biocompatibilities of degradable Mg-RE alloys A review Dexue Liu et al-This content was downloaded from IP address 207.46.13.168 on 03/06/2019 at 10:32IMPLANT MADE OF BIODEGRADABLE MAGNESIUM ALLOY The present invention relates to implants made of a biodegradable magnesium alloy. The inventive implant is made in total or in parts of a biodegradable magnesium alloy with particular composition and impurities such that it has improved processability during manufacture especially in new highly sophisticated techniques like micro-extrusion and, if applicable, improved mechanical properties of The processing of Mg alloy micro tubes for biodegradable IMPLANT MADE OF BIODEGRADABLE MAGNESIUM ALLOY The present invention relates to implants made of a biodegradable magnesium alloy. The inventive implant is made in total or in parts of a biodegradable magnesium alloy with particular composition and impurities such that it has improved processability during manufacture especially in new highly sophisticated techniques like micro-extrusion and, if applicable, improved mechanical properties of The processing of Mg alloy micro tubes for biodegradable Fabrication of Mg alloy tubes for biodegradable stent The processing of Mg alloy micro tubes for biodegradable Jul 27, 2013The processing of Mg alloy micro-tubes for biodegradable vascular stents. Liu F, Chen C, Niu J, Pei J, Zhang H, Huang H, Yuan G. Mater Sci Eng C Mater Biol Appl, 48:400-407, 09 Dec 2014 Cited by 3 articles PMID 25579940

Enhanced Bioactivity of MgNdZnZr Alloy Achieved with The processing of Mg alloy micro tubes for biodegradable

Magnesium (Mg) alloys have revolutionized the application of temporary load-bearing implants as they meet both engineering and medical requirements. However, rapid degradation of Mg alloys under physiological conditions remains the major obstacle hindering the wider use of Mg-based implants. Here we developed a simple method of preparing a nanoscale MgF2 film on MgNdZnZr (denoted as The processing of Mg alloy micro tubes for biodegradable Enhanced Bioactivity of MgNdZnZr Alloy Achieved with The processing of Mg alloy micro tubes for biodegradable Magnesium (Mg) alloys have revolutionized the application of temporary load-bearing implants as they meet both engineering and medical requirements. However, rapid degradation of Mg alloys under physiological conditions remains the major obstacle hindering the wider use of Mg-based implants. Here we developed a simple method of preparing a nanoscale MgF2 film on MgNdZnZr (denoted as The processing of Mg alloy micro tubes for biodegradable EP2169090A1 - Implant made of a biodegradable The invention relates to an implant made in total or in parts of a biodegradable magnesium alloy consisting of Y 2.0 - 6.0% by weight, Nd 1.5 - 4.5% by weight, Gd 0 - 4.0% by weight, Dy 0 - 4.0% by weight, Er 0 - 4.0% by weight, Zr 0.1 - 1.0% by weight, Li:0 - 0.2% by weight, Al 0 - 0.3% by weight, under the condition that a) a total content of Er, Gd and Dy is in the range of 0.5 - 4.0 The processing of Mg alloy micro tubes for biodegradable Cited by 21Publish Year 2018Author Jianfeng Wang, Yifan Zhou, Zhongyuan Yang, Shijie Zhu, Liguo Wang, Shaokang GuanProcessing and properties of magnesium alloy micro-tubes The processing of Mg alloy micro tubes for biodegradable Request PDF Processing and properties of magnesium alloy micro-tubes for biodegradable vascular stents Magnesium alloys are considered to be one of the most promising stent materials due to The processing of Mg alloy micro tubes for biodegradable

Biodegradable Magnesium Alloys Developed as Bone Repair The processing of Mg alloy micro tubes for biodegradable

In addition to the above commercial Mg alloy systems, new Mg alloys have also been developed for use in orthopedic applications, including Mg-Ca, Mg-Sr, Mg-Zn, and Mg-RE alloy systems. Ca, acting as a grain-refining agent in Mg alloys, can stabilize grain size at levels up to 0.5% of the Ca content and cause slight decreases with further The processing of Mg alloy micro tubes for biodegradable Biodegradability engineering of biodegradable Mg alloys The processing of Mg alloy micro tubes for biodegradable The microstructure of the Mg-5 wt%Ca binary alloy is composed of a primary Mg phase and an eutectic phase, which is a lamella structure composed of Mg and Mg 2 Ca phases (for the microstructures of as-cast Mg-Ca-Zn alloys, see Supplementary Information).A galvanic circuit forms when the alloy is immersed into Hank's solution owing to differences in the electro-chemical potentials of the Mg and The processing of Mg alloy micro tubes for biodegradable BIODEGRADABLE METAL ALLOY FOR ANCHORING A biodegradable metal alloy for anchoring detached tissue to hard tissue, a method for making the same and a process for using the same are revealed. The biodegradable metal alloy includes a magnesium-zinc-zirconium (MgZnZr) alloy and a magnesium fluoride (MgF 2) coating over the MgZnZr alloy. The MgZnZr alloy is a magnesium The processing of Mg alloy micro tubes for biodegradable ANTIBACTERIAL BIODEGRADABLE Mg-Ag ALLOYSAntibacterial biodegradable alloys. DOI 10.22203/eCM.v025a20 ISSN 1473-2262. Abstract. The use of magnesium alloys as degradable metals for biomedical applications is a topic of ongoing research and . the demand for multifunctional materials is increasing. Hence, binary Mg

(PDF) Microstructure and texture evolution of fine-grained The processing of Mg alloy micro tubes for biodegradable

In the recent work, the Mg-2Zn-0.46Y-0.5Nd, as materials for degradable stents, was applied to produce as-extruded micro-tube with an outer diameter of 3.0 mm and a wall thickness of 0.35 mm by The processing of Mg alloy micro tubes for biodegradable (PDF) Microstructure and texture evolution of fine-grained The processing of Mg alloy micro tubes for biodegradable In the recent work, the Mg-2Zn-0.46Y-0.5Nd, as materials for degradable stents, was applied to produce as-extruded micro-tube with an outer diameter of 3.0 mm and a wall thickness of 0.35 mm by The processing of Mg alloy micro tubes for biodegradable (PDF) Enhanced plasticity of magnesium alloy micro-tubes The processing of Mg alloy micro tubes for biodegradable Double extrusion with a large plastic deformation was conducted to fabricate Mg-Nd-Zn-Zr (JDBM) micro-tubes (3.5 mm in outer diameter and 0.25 mm in thickness) with high plasticity for The processing of Mg alloy micro tubes for biodegradable (PDF) Enhanced plasticity of magnesium alloy micro-tubes The processing of Mg alloy micro tubes for biodegradable Double extrusion with a large plastic deformation was conducted to fabricate Mg-Nd-Zn-Zr (JDBM) micro-tubes (3.5 mm in outer diameter and 0.25 mm in thickness) with high plasticity for The processing of Mg alloy micro tubes for biodegradable

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