%0 Journal Article
%T ELECTROCHEMICAL CORROSION BEHAVIOR OF Ni-BASED ALOYS IN AQUEOUS SOLUTION CONTAINING H2S/CO2<br>镍基合金在含H2S/ CO2环境下的电化学腐蚀行为研究
%A 赵雪会
%A 白真权
%A 尹成先
%A 魏斌
%A 尹志福
%J 腐蚀科学与防护技术
%D 2009
%I 
%X The corrosion behavior of three Ni-based alloys was investigated in 50 g/L NaCl solution containing H2S/CO2 by polarization curve,anodic circulation curve and electrochemical impedance.The results showed that the pitting potential of different materials had obvious difference in the test conditions,and the pitting potential of Inconel 625 was the highest.Form circulation curves it follows that the Inconel 625 has the least encircled area and higher protection potential,which indicated that the corrosion resistance of Inconel 625 was superior to the others.EIS measurements indicate that the Nyquist plot of the three alloys is composed of single capacitance loop in the solutions without H2S.When H2S coexists with CO2,the plot revealed the corrosion characteristics of diffuse control at low frequencies.The capacitance loop radius of Inconel 625 was correspondingly the biggest.
%K nickel-based alloy
%K corrosion behavior
%K pitting corrosion
%K EIS<br>镍基合金
%K 腐蚀行为
%K 点蚀
%K 电化学阻抗谱
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=9F6E6EC8BA5BB62698F6640073DDD6E1&aid=74E915699E66ECAC6277E640530D011B&yid=DE12191FBD62783C&vid=659D3B06EBF534A7&iid=B31275AF3241DB2D&sid=E3D3D8D1B650AE1E&eid=2A2AA8B7E19F0DF7&journal_id=1002-6495&journal_name=腐蚀科学与防护技术&referenced_num=0&reference_num=0