乳化液对液压缸钢材腐蚀行为的影响
Effects of Emulsified Liquid on Corrosion Behavior of Steels Used in Hydraulic Cylinder
摘 要
利用电化学极化曲线测试结合浸泡加速腐蚀试验, 对比研究了液压缸钢材在由不同质量浓度浓缩液和不同水质配制的乳化液中的腐蚀行为。结果表明, 大柳塔煤矿矿井水中高氯离子含量是导致钢材在采用工况水配置乳化液中钢材耐蚀能力下降的主要因素; 随着乳化液中浓缩液含量的提高, 钢的点蚀电位正移, 试样点蚀数目减少, 乳化液缓蚀率提高; 耐蚀合金元素含量较高的5号钢具有相对较好的耐蚀能力。
浓缩液
极化曲线
点蚀电位
浸泡试验
emulsified liquid
concentrated solution
polarization curve
pitting potential
immersion test
Abstract
The corrosion behaviors of different hydraulic cylinder steel specimens were studied by polarization curve and immersion test in emulsified liquid prepared by different concentrations of emulsified liquid and different types of water was investigated. The results showed that the high concentration of chloride ions in the Daliuta water led to deduction of steels′ resistance to pitting corrosion. With the increase of the concentration of concentrated solution, the pitting corrosion potential increased, the number of pitting reduced, the emulsified liquid inhibition efficiency increased. With high contents of alloy elements, 5# steel showed high corrosion resistance than other steels.
中图分类号 TG174 DOI 10.11973/fsyfh-201511010
所属栏目 试验研究
基金项目
收稿日期 2014/10/23
修改稿日期
网络出版日期
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备注赵晋斌(1980-),研究员,本科,从事低合金耐蚀钢的研发,
引用该论文: ZHAO Jin-bin,LIU Ming,CAI Jia-xing,YANG Wen-xiu. Effects of Emulsified Liquid on Corrosion Behavior of Steels Used in Hydraulic Cylinder[J]. Corrosion & Protection, 2015, 36(11): 1058
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【7】许海霞,王义民,姚元书,等. 新型合成液压支架用浓缩液的研究[J]. 煤炭学报,2004,29(4):487-491.
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【11】MOAYED M H,Newman R C. Deterioration in critical pitting temperature of 904L stainless steel by addition of sulfate ions[J]. Corrosion Science,2006,34(48):3513-3530.
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【13】YAMASHITA M,MIYUKI Y,MATSUDA H,et al. The long term growth of the protective rust layer formed on weathering steel by atmospheric corrosion during a quarter of a century[J]. Corrosion Science,1994,24(36):283-299.
【14】HAO L,ZHANG S,DONG J,et al. Evolution of corrosion of MnCuP weathering steel submitted to wet/dry cyclic tests in a simulated coastal atmosphere[J]. Corrosion Science,2012,34(58):175-180.
【15】WANG Z,LIU J,WU L,et al. Study of the corrosion behavior of weathering steels in atmospheric environments[J]. Corrosion Science,2013,34(67):1-10.
【16】HUANG Y,SU F. An electrochemical study of the corrosion resistance of 12Cr2MoAlXt alloy steel in sea water[J]. Chinese Soc Corros Prod,1988,8(1):72-77.
【17】SHIFLER D A. Understanding material interactions in marine environments to promote extended structural life[J]. Corrosion Science,2005,15(47):2335-2352.
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