电沉积Cu对纳米结构Ti-16Zr合金腐蚀性能的影响
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摘要
采用阳极氧化法在Ti-16Zr合金表面上制备TiO2纳米管,然后通过恒电位电沉积法在TiO2纳米管上沉积Cu,获得Cu/TiO2,并分析基体Ti-16Zr合金、TiO2纳米管以及Cu/TiO2在人工模拟体液中的耐腐蚀性能。结果表明在基体Ti-16Zr合金上形成了整齐有序的TiO2纳米管阵列,平均直径大约为110nm,管壁厚度大约为20nm。在TiO2纳米管上沉积Cu后,其表面被相对均匀且致密的微米大小的球状颗粒覆盖,出现了明显的团聚现象。TiO2纳米管和Cu/TiO2发生了点蚀,而Ti-16Zr发生了均匀腐蚀。试样在人工体液中的耐腐蚀性排序为Ti-16Zr>TiO2纳米管>Cu/TiO2,即基体Ti-16Zr在人工体液中的耐腐蚀性最好。
TiO_2 nanotubes were prepared on the surface of Ti-16 Zr alloy by anodizing.Then Cu was deposited on TiO_2 nanotubes by potentiostatic electrodeposition to obtained Cu/TiO_2.The corrosion behavior of Ti-16 Zr alloy,TiO_2 nanotubes and Cu/TiO_2 were measured in artificial body fluids.The results showed that the regular and orderly TiO_2 nanotube array was formed on the matrix Ti-16 Zr alloy.The average diameter and wall thickness of TiO_2 nanotubes are about 110 nm and 20 nm,respectively.After deposition of Cu on TiO_2 nanotubes,the surface was covered by relatively uniform and dense micronsized spherical particles and the obvious agglomeration was observed.Pitting corrosion occurred on TiO_2 nanotubes and Cu/TiO_2,while uniform corrosion occurred on Ti-16 Zr alloy.The corrosion resistance of samples in artificial body fluids can be sorted in the following sequence:Ti-16 Zr>TiO_2 nanotube>Cu/TiO_2,which means matrix Ti-16 Zr has the best corrosion resistance in artificial body fluids.
TiO_2 nanotubes were prepared on the surface of Ti-16 Zr alloy by anodizing.Then Cu was deposited on TiO_2 nanotubes by potentiostatic electrodeposition to obtained Cu/TiO_2.The corrosion behavior of Ti-16 Zr alloy,TiO_2 nanotubes and Cu/TiO_2 were measured in artificial body fluids.The results showed that the regular and orderly TiO_2 nanotube array was formed on the matrix Ti-16 Zr alloy.The average diameter and wall thickness of TiO_2 nanotubes are about 110 nm and 20 nm,respectively.After deposition of Cu on TiO_2 nanotubes,the surface was covered by relatively uniform and dense micronsized spherical particles and the obvious agglomeration was observed.Pitting corrosion occurred on TiO_2 nanotubes and Cu/TiO_2,while uniform corrosion occurred on Ti-16 Zr alloy.The corrosion resistance of samples in artificial body fluids can be sorted in the following sequence:Ti-16 Zr>TiO_2 nanotube>Cu/TiO_2,which means matrix Ti-16 Zr has the best corrosion resistance in artificial body fluids.
引文
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[3] Dai Shijuan,Zhu Yuntian,Chen Feng.Present status and processing methods of novelβtitanium alloys for biomedical applications[J].Journal of Chongqing University of Technology(Natural Science),2016,30(4):27-34(in Chinese).戴世娟,朱运田,陈锋.新型医用β钛合金研究的发展现状及加工方法[J].重庆理工大学学报(自然科学),2016(4):27-34.
[4] Wang Z,Zhou Y,Wang H,et al.Tribocorrosion behavior of Ti-30Zr alloy for dental implants[J].Materials Letters,2018,218:190-192.
[5] Chui P.Nearβ-type Zr-Nb-Ti biomedical alloys with high strength and low modulus[J].Vacuum,2017,143:54-58.
[6] Choe H C.Nanotubular surface and morphology of Ti-binary and Ti-ternary alloys for biocompatibility[J].Thin Solid Films,2011,519(15):4652-4657.
[7] Liu J,Li F,Liu C,et al.Effect of Cu content on the antibacterial activity of ttitanium-copper sintered alloys[J].Materials Science&Engineering C,2014,35(1):392-400.
[8] Choe H C.Photofunctionalization of EB-PVD HA-coated nano-pore surface of Ti-30Nb-xZr alloy for dental implants[J].Surface&Coatings Technology,2013,228(8):S470-S476.
[9] Liu Di,Jiang Shaoqun,Wang Gang.Study progress on preparation and modification of TiO2 nanotube array[J].Surface Technology,2017,46(4):71-78(in Chinese).柳堤,江少群,王刚.TiO2纳米管阵列的制备与改性研究进展[J].表面技术,2017,46(4):71-78.
[10] Jeong Y H,Choe H C,Brantley W A.Nanostructured thin film formation on femtosecond laser-textured Ti-35Nb-xZr alloy for biomedical applications[J].Thin Solid Films,2011,519(15):4668-4675.
[11] Zong M,Long B,Liu Y,et al.Antibacterial ability and angiogenic activity of Cu-Ti-O nanotube arrays[J].Materials Science&Engineering C,2017,71:93-99.
[12] He X,Zhang G,Wang X,et al.Biocompatibility,corrosion resistance and antibacterial activity of TiO2/CuO coating on Titanium[J].Ceramics International,2017,43(18):16185-16195.
[13] Wu Q,Li J,Zhang W,et al.Antibacterial property,angiogenic and osteogenic activity of Cu-incorporated TiO2 coating[J].Journal of Materials Chemistry B,2014,2(39):6738-6748.
[14] Liu X,Liu Z,Lu J,et al.Electrodeposition preparation of Ag nanoparticles loaded TiO2 nanotube arrays with enhanced photocatalytic performance[J].Applied Surface Science,2014,288(1):513-517.
[15] Tsui L K,Zangari G.Modification of TiO2nanotubes by Cu2O for photoelectrochemical,photocatalytic,and photovoltaic devices[J].Electrochimica Acta,2014,128(9):341-348.
[16] Fan X,Fan J,Hu X,et al.Preparation and characterization of Ag deposited and Fe doped TiO2nanotube arrays for photocatalytic hydrogen production by water splitting[J].Ceramics International,2014,40(10):15907-15917.
[17] Cong Yanqing,Li Zhe,Zhang Yi,et al.Fabrication of Fe2O3/TiO2nanotube electrode and its photoelectrocatalytic performance in dye wastewater degradation[J].Chinese Journal of Catalysis,2012,33(8):1402-1409(in Chinese).丛燕青,李哲,张轶,等.Fe2O3/TiO2纳米管的制备及其光电催化降解染料废水性能[J].催化学报,2012,33(8):1402-1409.
[18] Indira K,Kamachimudal U,Rajendran N.In vitro bioactivity and corrosion resistance of Zr incorporated TiO2nanotube arrays for orthopaedic applications[J].Applied Surface Science,2014,316:264-275.
[19] Yu Z,Wang D,Shan P,et al.A study on photo-generated charges property in highly ordered TiO2nanotube arrays[J].Applied Surface Science,2010,256(23):7217-7221.
[20] Yang L,Wang W,Zhang H,et al.Electrodeposited Cu2O on the{101}facets of TiO2,nanosheet arrays and their enhanced photoelectrochemical performance[J].Solar Energy Materials&Solar Cells,2017,165:27-35.
[21] Kim W G,Choe H C.Effects of TiN coating on the corrosion of nanostructured Ti-30Ta-xZr alloys for dental implants[J].Applied Surface Science,2012,258(6):1929-1934.
[22] Kim W G,Choe H C,Ko Y M.Electrochemical behaviors of a TiN-coated/nanotube-formed Ti-Zr alloy[J].Journal-Korean Physical Society,2009,54(54):1036.
[23] Yi A,Du J,Wang J,et al.Preparation and characterization of colored Ti/Zr conversion coating on AZ91Dmagnesium alloy[J].Surface&Coatings Technology,2015,276:239-247.
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[25] Li Y,Xu J.Role of late transition metals on pitting resistance of Zr-Ti-(Cu,Ni,Co)-Al bulk metallic glasses in 0.6M NaCl aqueous solution[J].Journal of Materials Science&Technology,2017,33(11):1278-1288.
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