Relationship between electrochemical characteristics and SCC of X70 pipeline steel in an acidic soil simulated solution.pdf


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valahlerinahnessrierretmeeom
赵0谭亮小阿姨卫
RelationshipbetweenelectrochemicalcharacteristicsandSCC
ofX70pipelinesteelinanacidicsoilsimulatedsolution
2hiyongIU0,XiaogangJD,YingruiZH4NG2,CuioeiDU
andGuofZH4T
口KeyLabofConosionErosionandSurfaceTechniqueBaijngConrosionandProteetionCenten
DniversityfScienceandTechnologyBeiingBaiing10083,China
3MedhanicalEngineeringDepartmentUniversityofRodheserNY14627,0SA

StresconosionoraekingSCCJofXTOpipetnesteelinaimulatedsolutionoftheaeidie
soilinYingtaninChinawasinvestigatedusingdowstrainraietestSSRT,SEM
andpolentiodynamicpolarzationtechniqueExperimentresultsindicaletbatXI0
stealisghiytseeplibletoSCCasappiedpotentialeduceswhichsmanilestedin
lossoftoughnessandbritlefracture,Constantpolrzationcumentcundeteettbe
oceureneefSCCTheloserthepolanzationcunentithesoonerstressconosion
onmcingoceursTheSCCmechanisnsarediferentatvaningpotetiakWhen
potentialiieherthanopencincuitpotentialanodicprocescontrokSCCwhereas
whenpotentialisfarlowerthanopenieuitpotentialcathodicpmoessseontrols$CCI
andbetweenthesetwopotentialregionsacombinedsectrodiemicalprocesscontrol

accsleraiethecathodichydiogenevolutionproceswbichmakestheXT0pipalne
stedtobemoresteceptbletSCC
KEYWORDSXT0steelSCCiElectrochemicalproceswsiAcidicsol
1Introduction
SCCofpipetinesteelsinsoilhasbe

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  • 时间2014-08-19
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