不同粒径铜颗粒在模拟宫腔液中的电化学腐蚀行为
Electrochemical Corrosion Behavior of Copper Particles with Different Sizes in Simulated Uterine Solution
摘 要
采用极化曲线、循环伏安曲线和电化学阻抗谱等研究了微米铜、亚微米铜和纳米铜粉体制备的试样在模拟宫腔液中的电化学腐蚀行为。结果表明: 在模拟宫腔液中, 纳米铜试样最易被腐蚀, 亚微米铜试样次之, 微米铜试样最难被腐蚀; 纳米铜试样的腐蚀速率介于亚微米铜和微米铜试样之间, 这是因为在模拟宫腔液中, 纳米铜表面生成了较多的腐蚀产物膜, 从而导致其腐蚀速率降低; 纳米铜试样的Warburg阻抗最小, 其腐蚀过程由动力学因素控制, 微米铜试样的Warburg阻抗最大, 其腐蚀过程主要由扩散过程控制; 选用纳米铜作为制作宫内节育器的材料更有利于铜离子扩散进入模拟宫腔液中, 有助于延长宫内节育器的使用寿命。
模拟宫腔液
循环伏安法
电化学阻抗谱
copper
simulated uterine solution
cyclic voltammetry
electrochemical impedance spectrum
Abstract
The electrochemical corrosion behavior of copper particle samples including micron copper, submicron copper and nano copper in simulated uterine solution was investigated by polarization curves, cyclic voltammograms and electrochemical impedance spectra. The results show that nano copper sample was the easiest to be corroded in simulated uterine solution, followed by submicron copper sample, and micron copper sample was the most difficult to be corroded. The corrosion rate of nano copper sample was between submicron copper sample and micron copper sample, the surface of nano copper sample formed more corrosion products, this resulted in its corrosion rate decreased. The corrosion process of nano copper sample was controlled by kinetic factors, because its Warburg impedance was the minimum. The corrosion process of micron copper sample was controlled by diffusion process, because of its Warburg impedance was the maximum. And therefore, taking nano copper as intrauterine device material is beneficial to the diffusion of copper ions into the simulated uterine solution, this is helpful to improve the service life of intrauterine device.
中图分类号 TB333 DOI 10.11973/jxgccl201611019
所属栏目 材料性能及应用
基金项目
收稿日期 2016/1/18
修改稿日期 2016/8/18
网络出版日期
作者单位点击查看
备注高颖(1969-), 女, 湖北武汉人, 副教授, 硕士。
引用该论文: GAO Ying,FENG Qiu-jie. Electrochemical Corrosion Behavior of Copper Particles with Different Sizes in Simulated Uterine Solution[J]. Materials for mechancial engineering, 2016, 40(11): 92～97
高 颖,冯秋洁. 不同粒径铜颗粒在模拟宫腔液中的电化学腐蚀行为[J]. 机械工程材料, 2016, 40(11): 92～97
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参考文献
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【2】KHIATI Z, OTHMAN A A, SANCHEZ-MORENO M,et al. Corrosion inhibition of copper in neutral chloride media by a novel derivative of 1,2,4-triazole［J］.Corrosion Science,2011,53 (10): 3092-3099.
【3】ZHANG X, WALLINDER I O, LEYGRAF C. Mechanistic studies of corrosion product flaking on copper and copper-based alloys in marine environments［J］. Corrosion Science,2014,85(8): 15-25.
【4】VALCARCE M B, VZQUEZ M. Phosphate ions used as green inhibitor against copper corrosion in tap water［J］. Corrosion Science,2010,52(4): 1413-1420.
【5】ARAYA R, GMEZ-MORA H, VERA R,et al. Human spermatozoa motility analysis in a Ringer′s solution containing cupric ions［J］. Contraception,2003,67(2): 161-163.
【6】XIA X P, CAI S Z, XIE C S. Preparation, structure and thermal stability of Cu/LDPE nanocomposites［J］. Materials Chemistry and Physics,2006,95(1): 122-129.
【7】BLUMENTHAL P D, VOEDISCH A, GEMZELL-DANIELSSON K. Strategies to prevent unintended pregnancy: increasing use of long-acting reversible contraception［J］. Human Reproduction Update,2011,17(1): 121-137.
【8】ZHANG W W, XIA X P, QI C,et al. A porous Cu/LDPE composite for copper-containing intrauterine contraceptive devices［J］. Acta Biomaterialia,2012,8(2): 897-903.
【9】PRIYA C S, VELRAJ G.Synthesis and characterization of nano and micro copper doped conducting polymer［J］. Materials Letter,2012,77(15): 29-31.
【10】WU S C, HUANG W H, TSAI C M. Fabrication and application of copper sub-microdoughnut with electroplating method on patterned nickel template［J］. Journal of the Electrochemical Society,2010,157 (6): 59-62.
【11】陈磊,陈建敏,周惠娣,等.液相化学还原法制备纳米铜颗粒的研究［J］.机械工程材料,2005,29(7): 65-67.
【12】RAMYADEVI J, JEYASUBRAMANIAN K, MARIKANI A,et al. Synthesis and antimicrobial activity of copper nanoparticles［J］.Materials Letters,2012,71(15): 114 -116.
【13】SONG H, NI Y, KOKOT S.A novel electrochemical sensor based on the copper-doped copper oxide nano-particles for the analysis of hydrogen peroxide［J］. Colloids and Surfaces A: Physicochemical and Engineering Aspects,2015,465(20): 153-158.
【14】CAI S Z, XIA X P, XIE C S. Corrosion behavior of copper/LDPE nanocomposites in simulated uterine solution［J］.Biomaterials,2005,26(15): 2671-2676.
【15】谢续明,杨睿.若干高性能高分子材料研究进展［J］.机械工程材料, 2015,39(7): 1-10.
【16】张承典,徐乃欣,陆菊芳,等.用电化学方法研究IUD在人工配置液中铜的腐蚀［J］.生殖与避孕,1995,15(1): 28-35.
【17】XIA X P, XIE C S, CAI S Z,et al. Corrosion of copper microparticles and copper nanoparticles in distilled water［J］.Corrosion Science, 2006,48(12): 3924-3932.
【18】KEAR G, BARKER B D, WALSH F C. Electrochemical corrosion of unalloyed copper in chloride media - a critical review［J］. Corrosion Science,2004,46(1): 109-135.
【19】CAI S Z, XIA X P, XIE C S. Research on Cu2+ transformations of Cu and its oxides particles with different sizes in the simulated uterine solution［J］.Corrosion Science,2005,47(4): 1039-1047.
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【22】CLARK G C F, WILLIAMS D F. The effects of proteins on metallic corrosion［J］.Journal of Biomedical Materials Research,1982,16: 125-134 .
【23】GRAY J J, ORME CA. Electrochemical impedance spectroscopy study of the passive films of alloy 22 in low pH nitrate and chloride environments［J］. Electrochimica Acta, 2007,52: 2370-2375.
【24】CONDE A, DE DAMBORENEA J. Evaluation of exfoliation susceptibility bymeans of the electrochemical impedance spectroscopy［J］. Corrosion Science,2000,42: 1363-1377.
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