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| CAVITATION EROSION BEHAVIORS AND MECHANISM OF 1Cr18Ni9TiSTAINLESS STEEL IN CHLORIDE SOLUTION |
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| 北京化工大学材料科学与工程学院 |
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Abstract In this paper,cavitation erosion behaviors and mechanism of 1Cr18Ni9Ti stainless steel in chloride solution were studied by weight loss,electrochemistry,and microscopic examination methods,with the aid of the self-made cavitation erosion apparatus.The results showed that cavitation erosion rates of stainless steel in chloride solution increase with chloride concentration increasing in neutral solution,and cavitation erosion rates also go up with the temperature of chloride solution increasing.However,the cavitation erosion rates subsequently decrease after the solution temperature further increasing above 50℃.It shows that corrosive effect of chloride solution on cavition erosio
n of materials is large.From the polarization curves of cavitation erosion of this stainless steel,it is seen that cavitation erosion process is mainly controlled by not only the anodic passivation but also cathodic oxygen diffusion process of electrode.After applying cathodic currents,cavitation erosion rates of stainless steel drop sharply.It shows that the corrosion electrochemical factor plays an important role in material cavitation erosion.The synergism effect between corrosion electrochemical and hydrodynamic factor results in the serious cavitation erosion.
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Received: 02 February 2004
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[1]MoussonJM.Pittingresistanceofmetalsundercavitationcondi tions[J].Trans.ASME,1937,(59):399
[2]BrijeshVyas,HanssonLH.Thecavitationerosioncorrosionof stainlesssteel[J].Corros.Sci.,1990,30:240
[3]LiuWei,ZhengYugui,LiuChangsheng,YaoZhiming,KeWei.CavitationerosionbehaviorofCr-Mn-Naustenite-ferritestain lesssteel[J].ActaMetall.Sin.,2003,39(1):85(柳伟,郑玉贵,刘常升,姚治铭,柯伟.Cr-Mn-N奥氏体—铁素体不锈钢的空蚀行为[J].金属学报,2003,39(1):85)
[4]ZhangXiuli,SunDongbai,YuHongying,HuangJinbin,YangDe jun.Effectofcorrosiononcavitationdamageprocess[J].Corros.Sci.Prot.Technol.,2001,13(3):162(张秀丽,孙冬柏,俞宏英,黄锦滨,杨德钧.金属材料空蚀过程中的腐蚀作用[J].腐蚀科学与防护技术,2001,13(3):162)
[5]KarimiA,MartinJL.Cavitationerosionofmetals[J].International MetalsReviews,1986,31(1):1
[6]FellerHG.Cavitationerosionofmetalsandalloys[J].Wear,1984,93(12):249
[7]HammittFG.CavitationandMultiphaseFlowPhenomena[M].NewYork:McGraw-HillBookCo.,1980
[8]LiuWei,ZhengYugui,JingHemin,YsoZhiming,KeWei.Cavita tionerosionof20SiMninsingleliquidandliquid-solidtwo-phase medium[J].J.Chin.Soc.Corros.Prot.,2001,21(5):286(柳伟,郑玉贵,敬和民,姚治铭,柯伟.20SiMn在单相液流和液固双相流中的空蚀行为[J].中国腐蚀与防护学报,2001,21(5):286)
[9]BaiXia,SunDongbai,YuHongying,MengHuimin,LiHuiqing,ZhangXiuli.Relationshipbetweenelectrochemicalanddynamicper formancesofFe-Cralloysduringcavitationdamage[J].TheChi neseJournalofNonferrousMetals,2001,11(2):285(白霞,孙冬柏,俞宏英,孟惠民,李辉,张秀丽.铁铬合金空蚀过程中电化学力学性能相关性[J].中国有色金属学报,2001,11(2)285)
[10]Themethodofvibrationcavitationerosiontest[S].GB6383-86,1987(中华人民共和国国家标准GB6383-86.振动空泡腐蚀试验方法[S].1987)
[11]YongXingyue,LiuJingjun,LinYuzhen.Erosion-corrosionbe haviorofduplexstainlesssteelinflowing3.5%NaClsolution[J].Corros.Sci.Prot.Technol.,1999,11(5):295(雍兴跃,刘景军,林玉珍.双相钢在流动3.5%NaCl溶液中的磨损腐蚀[J].腐蚀科学与防护技术,1999,11(5):295)
[12]PlessetMS.Cavitationerosioninnonaqueousliquid[J].ASME,JournalofBasicEngineering,1972,94(4):54 |
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