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. Research progress of new type of degradable biomedical magnesium alloys JDBM[J]. The Chinese Journal of Nonferrous Metals, 2011, 21(10): 2476-2488. [4] WANG Y P, HE Y H, ZHU Z J, JIANG Y, ZHANG J, NIU J L... of Mg-based alloy as degradable biomedical materials[J]. Material China, 2011, 30(2): 44-50. [7] 章晓波, 王章忠, 袁广银. 二次挤压对Mg-Nd-Zn-Zr生物镁合金组织与性能的影响[J]. 材料热处理学报, 2013, 34(2): 103-107. ZHANG X B, WANG Z Z, YUAN G......
镁合金作为生物医用植入材料的研究进展 张思慧1,雷路2,陈良建1,余琨2 (1.中南大学湘雅三医院,湖南,长沙,410083;2.中南大学材料科学与工程学院,粉末冶金国家重点实验室,长沙410083) 摘要:镁合金具有优良和独特的物理,化学和力学特点,其比强度和比刚度在金属材料中最好,同时又具有良好的生物相容性,甚至可以在生物体内自动进行降解.因此镁合金作为生物医用金属植入材料有明显的性能优势,在医用植入材料领域有着巨大的潜力和广阔的应用前景.本文针对医用植入材料特性的要求,对镁合金作为医用植入材料的可行性,和它与其他生物植入材料比较所具有的性能优势和特点进行了综述,并根据镁合金的性能特点,提出了开发医用植入镁合金材料的关键技术. 关键词:医用植入材料; 镁合金; 腐蚀; medical implant materials; magnesium alloy; corrosion......
可降解镁合金材料的研究新进展 郑起1,袁青领1,阎钧1 (1.上海交通大学附属第六人民医院普外科,上海,200233) 摘要:可降解镁合金材料因力学性能佳,生物相容性好以及可降解吸收等特点在植入材料领域成为研究热点.综述了可降解镁合金材料作为心血管支架,骨固定材料和多孔修复材料等的最新研究进展,阐述了其在体内的降解机理以及通过高纯镁合金开发,合金化,表面处理和快速凝固工艺等方法提高镁合金材料耐体液腐蚀性能,指出了目前可降解镁合金材料研究需要解决的问题和未来研究方向,并展望了其今后的临床应用前景. 关键词:可降解镁合金; 植入材料; 降解速度; biodegradable magnesium alloys; implant materials; degradation rate; [全文内容正在添加中] ......
Characterizations on Mechanical Properties and In Vitro Bioactivity of Biomedical Ti–Nb–Zr–CPP Composites Fabricated by Spark Plasma SinteringZheng-Yuan He1,2,Lei Zhang1,2,Wen-Rui Shan1,2,Yu-Qin...–7Zr–10CPP composite was deposited as a homogeneous apatite layer during soaking in simulated body fluid(SBF). It indicates a good bioactivity between the implant materials and living bones.关键词:......
The Influence of Nitrogen and Boron Implant into Silicon Substrate on the Phase and Internal Stress of c-BN Films CAI Zhi-hai1,ZHANG Ping1,TAN Jun1 (1.National Key Laboratory for Remanufacturing, Beijing 100072 ,P. R. China) 摘要:Cubic boron nitride(c-BN) film was deposited on a Si (100) substrate by the RF-magnetron sputtering.The mainly problems for fabrication of c-BN films are the low purity......
Corrosion behaviors of a new titanium alloy TZNT for surgical implant application in Ringer’s solutionLI Juna, ZHOU Lianb, and LI Zuochenb a School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, China b Northwest Institute for Nonferrous Metal Research, Xi’an 710016, China摘 要:A new near α-titanium alloy......
: Asymmetric blend membranes of chitosan superfine powder and biomedical polyurethane were prepared by immersion-precipitation phase inversion method. The effects of different solvents on the thermodynamics...; chitosan superfine powder; biomedical polyurethane; thermodynamics; diffusion 壳聚糖是一种资源丰富的天然大分子,具有良好生物相容性,生物可降解性,但其吸水性极强,形成的纤维或膜材料的湿态机械强度差,作为医用材料其应用受到限制[1-2].将壳聚糖与其他聚合物进行共混改性既能保持壳聚糖特有的优异性能,又能得到壳聚糖单纯使用......
Effect of Surface Treatment and Metallic Coating on Corrosion Behavior and Biocompatibility of Surgical 316L Stainless Steel ImplantAli Parsapour1,Saied Nouri Khorasani2,Mohammad Hossein Fathi11. Department of Materials Engineering,Isfahan University of Technology2. Department of Chemical Engineerin......
, biomedical and precision forming, were summarized, and the advantages and pending problems of laser peening in the corresponding applications were discussed, and the application development trends were analyzed. In the high-cycle fatigue and corrosion protection field, the laser peening technology has been used in mass industrial production. In biomedical field, the laser peening technique has been......
膨胀石墨对重油和生物体液的吸附-来自中国的研究 康飞宇1,兆恒1,稻垣道夫2,沈万慈1,王海宁1,郑永平1,王鲁宁1 (1.清华大学,材料科学与工程系,北京,100084;2.爱知工业大学,应用化学系,丰田市470-0392,日本) 摘要:膨胀石墨(简称EG)是通过将残留石墨层间化合物(简称GIC)快速加热到约1 000 ℃而分解,膨胀制得的.这种材料具有较大比表面积和较强表面活性,因此,EG可以吸附重油和粘稠性有机液体.本文综述了清华大学研究组近年来所进行的膨胀石墨吸附重油和生物体液的研究成果. 关键词:膨胀石墨; 吸附; 重油; 生物体液; Exfoliated graphite; Sorption; Heavy oil; Biomedical liquids; [全文内容正在添加中] ......
