Cr3鋼在含CO-,2--H-,2-S介質中腐蝕研究.pdf

1、北京化工大學碩士學位論文Cr3鋼在含COHS介質中腐蝕研究姓名：王吉連申請學位級別：碩士專業(yè)：材料科學與工程指導教師：熊金平20100601北京化n丁人學碩二f：學位論文ThecorrosionresearchofCr3steeliIIsolutions；ontaininRC02andHEScontainingan2AbstractDuringtheempolderofpetroleumandnaturalgas，themediuman

2、dgascorrosion，suchasC02andH2SandtheliquidcontainingCI。，tothepetroleumpipelinehasbecomethemaincorrosionproblemsThemediumandgascanerodesubterraneanpipelineandovergroundproductionequipments，asaresultofrupturingthepipeline，e

3、quipmentinvaluable，andpipelayingexplodec02andH2SisthemaincorrosiongasBecauseofthegoodcapacityandlowprice，Cr3steeliswildlyusedintheoilfieldSoitisnecessarytostudythecorrosionbehaviorofCr3steelforexploitationandtransportati

4、onofthepetroleumandgas，andalsoveryimportantteducetheaccidentrateThisstudyhassimulatedoilfieldenvironmenttodoexperimentforCr3steel，whichhasstudiedthedifferentcorrosionsituationindifferentmedium，andanalyzedtheinfluenceofth

5、edifferentfactorsThearticlehasdevelopedthecorrosionresultsoftemperature，CI。concentrationtoCr3steel，throughweightlessness，electrochemicalexperimentTheresultshowedthat：1ThecorrosionspeedhasdecreasedwhileC1’concentrationhas

6、increasedAnddifferentkindsofprotectionmembranehadappeared，themainproductionwasFeSx2Withthegrowthoftemperature，thecorrosionspeedhasheightened，meanwhiletherewereprotectionmembraneappearing3TheconcentrationofH2Sincreasing，t

7、hespeedofCr3steelincreasestoo4Withthetimeelapsing，thespeedofCr3steelhasdecreasedgradually5IftherewasonlyC02containedintheliquid，thespeedofCr3steelwouldgoupthendownwhiletheCI。concentrationincreases；makinggeneralcorrosiona