13日May2023CORROSION&PROTECTION2023年5月No.5Vol.44第44卷第5期腐蚀与防护D0I:10.11973/fsyfh-2023050035CrMo钢在含砂胍胶溶液中的冲刷腐蚀行为和机理傅登伟1，郑可新23，李博伦1，任倩楠23，邱福寿，胡红祥”，郑玉贵（1.中国石油新疆油田分公司实验检测研究院，克拉玛依834000；2.中国科学技术大学材料科学与工程学院，沈阳110016；3.中国科学院金属研究所，沈阳110016）摘要：采用失重法、微观形貌观察法和电化学法研究了35CrMo钢在胍胶溶液、含砂水溶液和含砂胍胶溶液中的冲刷腐蚀行为和机理。结果显示：溶液的侵蚀性由高到低排序为含砂胍胶溶液、含砂水溶液和胍胶溶液；在含砂水中加入胍胶可明显抑制冲刷腐蚀；相比于胍胶溶液，35CrMo钢在含砂胍胶溶液中腐蚀电流密度的增大说明砂粒的存在能显著提高由力学作用引起的腐蚀增量。关键词：冲刷腐蚀；交互作用；高黏度；液固冲蚀中图分类号：TG172文献标志码：A文章编号：1005-748X（2023）05-0013-06ErosionCorrosionBehaviorandMechanismof35CrMoSteelinSolutionContainingGuargumandSandFUDengwei',ZHENGKexin’,LIBolun',RENQiannan²,QIUFushou',HUHongxiang",ZHENGYuguis3(1.ResearchInstituteofEngineeringTechnology,XinjiangOilFieldCompany,PetroChina,Karamay834000,China;2.SchoolofMaterialsScienceandEngineering,UniversityofScienceandTechnologyofChina,Shenyang110016,China;3.InstituteofMetalResearch,ChineseAcademyofSciences,Shenyang110016,China)Abstract:Theerosioncorrosionbehaviorandmechanismof35CrMosteelinguanidinegumsolution,sandwatersolutionandsandguanidinegumsolutionwereinvestigatedbyweight-lossmethod,microstructureobservation,andtheelectrochemicalmethod.Theresultsshowedthatthedescendingorderofsolutionerodibilitywasasfollowing:sandguanidinegumsolution,sandwatersolutionandguanidinegumsolution.Guanidinegumaddedintothesandwatersolutioncouldreduceerosioncorrosion.Thecorrosioncurrentdensityof35CrMosteelwashigherinthesandguanidinegumsolutionthanintheguanidinegumsolution,indicatingthatthepresenceofsandcansignificantlyraisethecorrosionincrementcausedbymechanicalaction.Keywords:erosioncorrosion;synergeticaction;highviscosity;liquid-soliderosion近年来，国内油气、页岩气等能源的开采技术不断进步，开采规...
