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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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X70管线钢在CO32-/HCO3-溶液中的电化学行为研究
, PP. 268-271
Keywords: 管线钢,溶液,扫描,应力腐蚀,
Abstract:
采用动电位扫描技术研究了X70管线钢在CO32-/HCO3-溶液中的电化学行为.通过分析X70管线钢在Na2CO3/NaHCO3溶液中的极化曲线，讨论了HCO3-的浓度对阳极极化行为的影响.采用快扫描与慢扫描得到的结果，分别利用Parkins边界条件和应力腐蚀破裂（SCC）参数Pi，预测出X70管线钢在1mol/LNaHCO3+0.5mol/LNa2CO3溶液中的SCC敏感性电位区间，两种方法得到的结果基本一致.
| [1] | 刘杏,杨武.天然气长输管线应力腐蚀破裂的敏感性条件[J].机械工程材料,2002,1:5.
|
| [2] | DelantyB ,OBeimeJ .MajorfieldstudycomparespipelineSCCwithcoatings[J].OilGasJournal,1992,90(24):39.
|
| [3] | ParkinsRN ,SZhou.ThestresscorrosioncrackingofC -MnsteelinCO2-HCO3--CO32- solutions.Ⅱ:electrochemicalandotherdata[J].CorrosionScience,1997,39:175.
|
| [4] | BRLinter,GTBurstein.Reactionsofpipelinesteelsincarbondioxidesolutions[J].CorrosionScience,1999,41:117.
|
| [5] | JMBlengino,MKeddam,JPLabbe,etal.Physico-chemicalcharacterizationofcorrosionlayersformedonironinasodiumcarbonate-bicarbonatecontainingenvironment[J].CorrosionScience,1995,37:621.
|
| [6] | ParkinsRN .Predictiveapproachestostresscorrosioncrackingfailure[J].CorrosionScience:1980,20:147.
|
| [7] | ParkinsRN .Mechanisticaspectsofintergranularstresscorro sioncrackingofferriticsteels[J].Corrosion,1996,52:363.
|
| [8] | FangZ ,StaehleRW .Effectsofthevalenceofsulfuronpassiva tionofalloys600,690,and800at25℃and95℃[J].Corro sion,1999,55(4):363.
|
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