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Received 1 March 2010; accepted 11 June 2010 Abstract: The electrochemical behaviors of Ta in tetrabutylammonium hydrogen sulfate (TBAHS) ethanol solutions were studied using potentiodynamic polarization... behaviors of this process. In the present work, the electrochemical behaviors of tantalum are investigated in anhydrous ethanol containing supporting electrolytes, by using the potentiodynamic polarization......
模拟混凝土孔隙液中钢筋表面膜组成与腐蚀行为的关联陈雯1,杜荣归1,胡融刚1,时海燕1,朱燕峰1,林昌健1(1.福建省厦门市厦门大学化学化工学院化学系固体表面物理化学国家重点实验室)摘 要:采用XPS分析钢筋经模拟混凝土孔隙液浸泡后表面膜的化学组成,结合线性极化法和动电位扫描阳极极化曲线测试,研究钢筋在模拟混凝土孔隙液中表面膜化学组成与腐蚀电化学行为的关联.结果表明:钢筋在纯模拟液中处于钝化状态.在含Cl和不同pH值的模拟混凝土孔隙液中,随着Cl-浓度的增加和pH值的降低,钢筋的腐蚀电位负移,电流密度增大;钢筋表......
: The electrochemical corrosion behavior of Ti-24Nb-4Zr-8Sn alloy in phosphate buffer saline (PBS) solutions was investigated by studying open-circuit potential and potentiodynamic polarization curve...; Corrosion morphology of Ti2448 after potentiodynamic polarization in aerated PBS at 37 ℃ 3 结论 1) 在PBS溶液中,Ti2448合金的开路电位随着时间迅速升高,最后稳定在-160 mV,这表明其表面迅速生成保护性氧化膜. 2) 与CP Ti和TC4相比,在PBS溶液中,Ti2448具有更为广......
Trans. Nonferrous Met. Soc. China 25(2015) 2807-2816 Role of Ni content in improvement of corrosion resistance of Zn-Ni alloy in 3.5% NaCl solution. Part I: Polarization and impedance studies Hany M... Zn. Key words: Zn-Ni alloy; Ni content; corrosion resistance; Cl- ions; impedance; polarization 1 Introduction Zn has been used to protect iron and steel from corrosion for long periods. Galvanostatic......
were studied in the simulated body fluid (SBF) by weight loss test and electrochemical measurements including potentiodynamic polarization and electrochemical impedance spectra (EIS). The results show... resistance. Key words: Mg-based metal matrix composites; powder metallurgy; corrosion resistance; polarization curve; electrochemical impedance spectra 镁及镁合金具有密度低,比强度高,可加工性强和综合力学性能与动物骨骼相近等特点[1].同时,镁是人体必需的宏量元素......
Polarization independent superconducting nanowire detector with high-detection efficiencyHe-Yu Yin1,2,3,Han Cai1,2,3,Ri-Sheng Cheng1,2,3,Zheng Xu1,2,3,Zhen-Nan Jiang1,2,3,Jian-She Liu1,2,3,Tie-Fu... the absorptance for both parallel and perpendicular photons are proposed.Finally, a design to realize polarization-independent SNSPDs with high absorptance is presented.关键词:......
Can the Prior Cathodic Polarisation Treatment Remove the Air-Formed Surface Film and Is It Necessary for the Potentiodynamic Polarisation Test?Zheng-Rong Ye1,Zhi-Chao Qiu1,Zheng-Bin Wang2,Yu-Gui... Academy of Sciences摘 要:This paper clarifies two issues related to the prior cathodic polarisation treatment(PCPT) for the potentiodynamic polarisation test......
to 5.5. Dense and homogeneous film is crystallized at high rate. The mechanism of crystallize process was discussed. Key words: electrodeposition; hydroxyapatite; polarization CLC number: TQ174 ... method[7], though possessing high adaptability to irregular shaped material, has to apply high voltage to drive the suspended particle onto metal surface. The anodic polarization may cause the corrosion......
Application of Acoustic Emission to the Study on Cathodic Polarization and SCC for High Strength Steels朱自勇,V.A.Marichev摘 要:<正> The ambiguous effect of cathodic polarization onSCC of two high strength steels in 0.1 M Na2HPO4 and0.1 M NaNO3 has been investigated by means of meas-uring electric resistance(R)and recording acoustic emis-sion(AE)signals......
Enhanced Ferroelectric Polarization in Laser-ablated Bi4Ti3O12 Thin Films by Controlling Preferred Orientation王传彬1,LUO Sijun1,SHEN Qiang1,HU Mingzhe2,ZHANG Lianmeng11. State Key Laboratory... conditions. The relationship between the structure and ferroelectric property of the films was investigated, so as to explore the possibility of enhancing ferroelectric polarization by controlling......
