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| 1 | Antibacterial metals and alloys for potential biomedical implants显示文摘Metals and alloys,including stainless steel,titanium and its alloys,cobalt alloys,and other metals and alloys have been widely used clinically as implant materials,but implant-related infection or inflammation is still one of the main causes of implantation failure.The bacterial infection or inflammation that seriously threatens human health has already become a worldwide complaint.Antibacterial metals and alloys recently have attracted wide attention for their long-term stable antibacterial ability,good mechanical properties and good biocompatibility in vitro and in vivo.In this review,common antibacterial alloying elements,antibacterial standards and testing methods were introduced.Recent developments in the design and manufacturing of antibacterial metal alloys containing various antibacterial agents were described in detail,including antibacterial stainless steel,antibacterial titanium alloy,antibacterial zinc and alloy,antibacterial magnesium and alloy,antibacterial cobalt alloy,and other antibacterial metals and alloys.Researches on the antibacterial properties,mechanical properties,corrosion resistance and biocompatibility of antibacterial metals and alloys have been summarized in detail for the first time.It is hoped that this review could help researchers understand the development of antibacterial alloys in a timely manner,thereby could promote the development of antibacterial metal alloys and the clinical application. | Erlin Zhang Xiaotong Zhao Jiali Hu Ruoxian Wang Shan Fu Gaowu Qin | 2021 | Bioactive Materials2021，6，8： | 13 |
| 2 | Indirectly extruded biodegradable Zn-0.05wt%Mg alloy with improved strength and ductility: In vitro and in vivo studies显示文摘As compared to permanent orthopedic implants for load-bearing applications, biodegradable orthopedic implants have the advantage of no need for removing after healing, but they suffer from the 'trilemma' problem of compromising among sufficiently high mechanical properties, good biocompatibility and proper degradation rate conforming to the growth rate of new bones. In the present work, in vitro and in vivo studies of a Zn-0.05 wt%Mg alloy(namely, Zn-0.05 Mg alloy) were conducted with pure Zn as a control. The Zn-0.05 Mg alloy is composed of a small amount of Mg_2 Zn11 phase embedded in the refined Zn matrix with an average grain size of ~20 μm. The addition of 0.05 wt% Mg into Zn significantly increases the ultimate tensile strength up to 225 MPa and the elongation to fracture to 26%, but has little influence on the in vitro degradation rate. Both Zn and Zn-0.05 Mg alloy exhibit homogeneous in vitro degradation with a rate of about 0.15 mm/year. Based on the cytotoxicity evaluation, Zn and Zn-0.05 Mg alloy do not induce toxicity to L-929 cells, indicating that they have little toxicity to the general functions of the animal. An in vivo biocompatibility study of Zn and Zn-0.05 Mg alloy samples by placing them in a rabbit model for 4.12 and 24 weeks, respectively did not show any inflammatory cells, and demonstrated that new bone tissue formed at the bone/implant interface, suggesting that Zn and Zn-0.05 Mg alloy promote the formation of new bone tissue. The in vivo degradation of Zn and Zn-0.05 Mg alloy does not bring harm to the important organs and their cell structures. More interestingly, Zn and Zn-0.05 Mg alloy exhibit strong antibacterial activity against Escherichia coli and Staphylococcus aureus. The above results clearly demonstrate that the Zn-0.05 Mg alloy could be a potential biodegradable orthopedic implant material. | Chi Xiao Liqing Wang Yuping Ren Shineng Sun Erlin Zhang Chongnan Yan Qi Liu Xiaogang Sun Fenyong Shou Jingzhu Duan Huang Wang Gaowu Qin | 2018 | Journal of Materials Science & Technology2018，34，9： | 11 |
| 3 | Microstructure and corrosion resistance of ultrasonic micro-arc oxidation biocoatings on magnesium alloy显示文摘The ultrasonic micro-arc oxidation(UMAO)was used to fabricate ceramic coatings on magnesium alloy.UMAO coatings were produced at 60 W input ultrasonic.The effects of the ultrasound on the microstructure,phase composition,elemental distribution and corrosion resistance of the coatings were extensively investigated by scanning electron microscopy(SEM),X-ray diffraction(XRD),energy-dispersive X-ray spectrometry(EDX)and electrochemical workstation.The results showed that ultrasound improved the homogeneous distribution of micro-porous structure.The coatings were mainly composed of MgO ceramic and small amount of calcium and phosphorus with porous structure.The Ca/P ratio of the coatings increased when 60 W ultrasonic was used.The corrosion potential in simulated body fluid(SBF)changed from��1.583 V of bare magnesium alloy to -0.353 V of magnesium alloy coated under 60 W ultrasonic.The corrosion resistance of UMAO coatings was better than that of MAO coatings. | Lijie QU Muqin LI Miao LIU Erlin ZHANG Chen MA | 2013 | Journal of Advanced Ceramics2013，2，3： | 9 |
| 4 | Optimization of mechanical properties, biocorrosion properties and antibacterial properties of wrought Ti-3Cu alloy by heat treatment显示文摘Previous study has shown that Ti-3Cu alloy shows good antibacterial properties(>90%antibacterial rate),but the mechanical properties still need to be improved.In this paper,a series of heat-treatment processes were selected to adjust the microstructure in order to optimize the properties of Ti-3Cu alloy.Microstructure,mechanical properties,biocorrosion properties and antibacterial properties of wrought Ti-3Cu alloy at different conditions was systematically investigated by X-ray diffraction,optical microscope,scanning electron microscope,transmission electron microscopy,electrochemical measurements,tensile test,fatigue test and antibacterial test.Heat treatment could significantly improve the mechanical properties,corrosion resistance and antibacterial rate due to the redistribution of copper elements and precipitation of Ti2Cu phase.Solid solution treatment increased the yield strength from 400 to 740MPa and improved the antibacterial rate from 33%to 65.2%while aging treatment enhanced the yield strength to 800e850MPa and antibacterial rate(>91.32%).It was demonstrated that homogeneous distribution and fine Ti2Cu phase plays a very important role in mechanical properties,corrosion resistance and antibacterial properties. | Mianmian Bao Ying Liu Xiaoyan Wang Lei Yang Shengyi Li Jing Ren Gaowu Qin Erlin Zhang | 2018 | Bioactive Materials2018，3，1： | 7 |
| 5 | Hot deformation behavior of an antibacterial Co–29Cr–6Mo–1.8Cu alloy and its effect on mechanical property and corrosion resistance显示文摘In order to optimize the deformation processing, the hot deformation behavior of Co–Cr–Mo–Cu(hereafter named as Co–Cu) alloy was studied in this paper at a deformation temperature range of 950–1150°C and a strain rate range of 0.008–5 s^(-1). Based on the true stress–true strain curves, a constitutive equation in hyperbolic sin function was established and a hot processing map was drawn. It was found that the flow stress of the Co–Cu alloy increased with the increase of the strain rate and decreased with the increase of the deforming temperature. The hot processing map indicated that there were two unstable regions and one well-processing region. The microstructure, the hardness distribution and the electrochemical properties of the hot deformed sample were investigated in order to reveal the influence of the hot deformation. Microstructure observation indicated that the grain size increased with the increase of the deformation temperature but decreased with the increase of the strain rate. High temperature and low strain rate promoted the crystallization process but increased the grain size, which results in a reduction in the hardness. The hot deformation at high temperature(1100–1150°C) would reduce the corrosion resistance slightly. The final optimized deformation process was: a deformation temperature from 1050 to 1100°C, and a strain rate from 0.008 to 0.2 s^(-1), where a completely recrystallized and homogeneously distributed microstructure would be obtained. | Erlin Zhang Yang Ge Gaowu Qin | 2018 | Journal of Materials Science & Technology2018，34，3： | 4 |
| 6 | A novel biomedical titanium alloy with high antibacterial property and low elastic modulus显示文摘β-type titanium alloys have attracted much attention as implant materials because of their low elastic modulus and high strength,which is closer to human bones and can avoid the problem of stress fielding and extend the lifetime of prosthetics.However,other issues,such as the infection or inflammation postimplantation,still trouble the titanium alloy's clinical application.In this paper,we developed a novel nearβ-titanium alloy(Ti-13Nb-13Zr-13Ag,TNZA)with low elastic modulus and strong antibacterial ability by the addition of Ag element followed by proper microstructure controlling,which could reduce the stress shielding and bacterial infections simultaneously.The microstructure,mechanical properties,corrosion resistance,antibacterial properties and cell toxicity were studied using SEM,electrochemical testing,mechanical test and cell tests.The results have demonstrated that TNZA alloy exhibited an elastic modulus of 75-87 GPa and a strong antibacterial ability(up to 98%reduction)and good biocompatibility.Moreover,it was also shown that this alloy's corrosion resistance was better than that of Ti-13Nb-13Zr.All the results suggested that Ti-13Nb-13Zr-13Ag might be a competitive biomedical titanium alloy. | Diangeng Cai Xiaotong Zhao Lei Yang Renxian Wang Gaowu Qin Da-fu Chen Erlin Zhang | 2021 | Journal of Materials Science & Technology2021，，22： | 4 |
| 7 | MICROSTRUCTURE AND PROPERTY OF Al/TiC COMPOSITES PREPARED BY REACTION SYNTHESIS显示文摘A novel in-situ process-Reaction Synthesis has been used to fabricate Al/TiC compos-ites,the phase constitute,microstructure and mechanical property of the Al/TiC composite have been investigated by the use of XRD and SEM.It has been shown that the reaction synthesized TiC particu-late is submicron in size(about 0.1~0.8μpm),spherical in shape and smooth in surface.In macrostruc-ture the distribution of the TiC particulate in matrix is homogeneous,but in micostructure there is micro-segregation of the TiC particulate at the intergrannular.The cast structure become fine because of the existence of the TiC particulate.In addition«with the increasing of weight percentage of TiC partic-ulate in alloy,the yield strength and ultimate tensile strength of the composite increase significantly«e.g.at 15%TiC,117% and 103% increase respectively,in the same time the elongation of the composite is still more than 4.5%.In the end,the analysis has been done by SEM on the fracture morphology of the composite.The results show that the fracture is ductility,and mainly because of the cluster of TiC particulate to intergrannular and the synthesis of bar morphology Al_(3)Ti. | Zhang Erlin Zeng Xiaochun Zeng Songyan Li Qingchun | 1996 | Transactions of Nonferrous Metals Society of China1996，6，1： | 3 |
| 8 | FORMATION MECHANISM OF TiC IN Al/TiC COMPOSITES PREPARED BY DIRECT REACTION SYNTHESIS显示文摘FORMATIONMECHANISMOFTiCINAl/TiCCOMPOSITESPREPAREDBYDIRECTREACTIONSYNTHESIS①ZhangErlin,YangBo,ZengSongyanandLiQingchunNational... | Zhang, Erlin Bo, Yang Zeng, Songyan Li, Qingchun Ma, Mingzhen | 1998 | 中国有色金属学会会刊:英文版1998，8，1： | 3 |
| 9 | In vitro and in vivo evaluation of the surface bioactivity of a calcium phosphate coated magnesium alloy显示文摘 | Liping Xu Feng Pan Guoning Yu Lei Yang Erlin Zhang Ke Yang | 2008 | Biomaterials2008，，8： | 2 |
| 10 | Highly linear polyethylenes using the2-(1-(2,4-dibenzhydrylnaphthylimino)ethyl)-6-(1-(arylimino)ethyl)-pyridylcobalt chlorides: synthesis, characterization and ethylene polymerization显示文摘The series of 2-(1-(2,4-dibenzhydrylnaphthylimino)ethyl)-6-(1-(arylimino)ethyl)pyridine derivatives and their cobalt chlorides(Co1.Co5) were synthesized and fully characterized. The representative complexes Co2 and Co3 were confirmed by single crystal X-ray diffraction analyses, indicating pseudo-square-pyramidal geometry around the cobalt centre. All cobalt complexes,activated with either methylaluminoxane(MAO) or modified methylaluminoxane(MMAO), exhibited high activities towards ethylene polymerization, and produced polyethylenes with high molecular weight and highly linear feature as well as unimodal distribution. | Erlin Yue Yanning Zeng Wenjuan Zhang Yang Sun Xiao-Ping Cao Wen-Hua Sun | 2016 | Science China Chemistry2016，59，10： | 2 |
| 11 | Effect of Cu on Martensite Transformation of CoCrMo alloy for biomedical application显示文摘The martensite transformation of Co-29Cr-6Mo-xCu(Co-xCu,x=0,1.5,2,4,wt%)alloys was investigated in order to explore ductile Co-based alloy without Ni for biomedical application.The effect of Cu on martensite transformation of Co-29 Cr-6 Mo alloy was investigated using scanning electron microscopy(SEM),transmission electron microscopy(TEM),X-Ray diffraction(XRD)and electron backscatter diffraction(EBSD)analysis.EBSD results revealed that the fraction ofγ-phase was increasing with increasing of copper content.In detail,the fraction ofγ-phase of aged Co-1.5 Cu alloy was 4.72%and noγ-phase was found in aged Co-0Cu alloy.Furthermore,the fraction ofγ-phase of aged Co-2Cu alloy and Co-4Cu alloy was 51.68%and 46.17%,respectively.This demonstrated that the minimum Cu content which could inhibit martensite transformation in this alloy system was 2 wt%.Calculated phase diagram revealed that increasing the copper content of this alloy system could enlargeγ-phase zone,which means Cu could inhibit the formation ofγ-phase and consequently stabilizeγ-phase.Randomly distributed Cu-rich phase was identified in aged Co-4Cu alloy.The possible reason for the inhibition of martensite transformation by Cu addition is that alloying with Cu atom might decrease charge accumulations and increase atomic bonds,which increase the stacking fault energy ultimately. | Ruoxian Wang Gaowu Qin Erlin Zhang | 2020 | Journal of Materials Science & Technology2020，52，17： | 2 |
| 12 | Microstructure, mechanical properties and bio-corrosion properties of Mg–Zn–Mn–Ca alloy for biomedical application显示文摘 | Erlin Zhang Lei Yang | 2008 | Materials Science & Engineering A2008，，1： | 2 |
| 13 | CQI feedback overhead reduction for muhicarrier MIMO transmission显示文摘 | ERLIN Z ZHU S H XU M | 2008 | IEICE Traus Com- munications2008，91，7： | 1 |
| 14 | Identification and occurrence of thauma- site in eoncrete显示文摘 | Erlin B Stark D C | 1966 | Highway Res Record1966，113，： | 1 |
| 15 | Effect of Zn on mechanical property and corrosion property of extruded Mg-Zn-Mn alloy显示文摘 | Yin Dongsong Zhang Erlin | 2008 | Trans Nonferrous Met Soc China2008，18，4： | 1 |
| 16 | In?vitro corrosion behaviour of Mg alloys in a phosphate buffered solution for bone implant application显示文摘 | Liping Xu Erlin Zhang Dongsong Yin Songyan Zeng Ke Yang | 2008 | Journal of Materials Science: Materials in Medicine2008，，3： | 1 |
| 17 | Experi-mental and numerical study of the thermal performanceof a new type of phase change material room 显示文摘 | Meng Erlin Yu Hang Zhan Guanyi | 2013 | EnergyConversion and Management2013，，74： | 1 |
| 18 | Microstructure,mechanical and corrosion properties and biocompatibility of Mg-Zn-Mn alloys for biomedical application显示文摘 | Zhang Erlin Yin Dongsong | 2009 | Mater Sci Eng C2009，29，3： | 1 |
| 19 | Mierostructure,mechanical properties and bio-corrosion properties of Mg-Zn-Mn-Ca alloy for biomedical application显示文摘 | Zhang Erlin Yang Lei | 2008 | Mater Sci Eng A2008，497，12： | 1 |
| 20 | Microstructure, mechanical and corrosion properties and biocompatibility of Mg-Zn-Mn alloys for biomedical application显示文摘 | Zhang Erlin Yin Dongsong Xu Liping | 2009 | Materials Science and Engineering C2009，29，3： | 1 |
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