系泊鏈鋼的摩擦磨損與性能研究.pdf

1、江蘇科技大學(xué)碩士學(xué)位論文系泊鏈鋼的摩擦磨損與性能研究姓名：毛振東申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：材料學(xué)指導(dǎo)教師：金云學(xué)20110614AbstractIIAbstractWithoilgasresourcesonlepicontinentalseapoincreasingly，tothedeepseadevelopmenthasbecomeaninevitabletrendWiththedevelopmentofmarineresources，

2、marineengineeringplatfm，auxiliaryshipsoflargemarineengineeringrelatedindustriesdevelopedrapidlyFixationofmarineengineeringplatfmsequipmentsdependsonhighlevelmoingchainItisusedinbadserviceconditionwhichnotonlyfalongtimeto

3、withststaticloadofplatfmbutalsotowithstloadofenvironment，suchasWindwavefcecurrentfceThechaintakesplaceFrictionwearundertheload，whichleadtothefailureofhighlevelmoingchaindirectlyimpactonsafetyreliabilityofmarineengineerin

4、gPlatfmThemoingchainsteelrequiresnotonlyhighstrength(includingthefatiguestrength)toughness，butalsorequiresantifrictionwearpropertiesHeattreatmentprocessofsteelofdomesticR4moingchainfrictionwearpropertiesweresystematicall

5、ystudiedTheresultsshowthat，intheabrasiveweartest，thewearmechanismofthe22MnCrNiMosteelisMicrocuttingmechanismplowingdefmationmechanismWiththeloadincreasing，thewearextentof22MnCrNiMosteelhasincreasedsignificantlyWhentheloa

6、dis3N，weartracesinsurfaceofthesamplesurfaceareshallow，the“chips”producedbythecuttingmechanismofareverysmall，whilequantityofthe“sheet”isverylargewhosesizeissmallwhoseshapeismostlyslenderstripsWhentheloadis8N13N，weartraces

7、insurfaceofthesamplearedeep，thewnsurfaceexistsnotonlythegroovefmedbycuttingofabrasive，alsoexistscrackInimpactingslidingweartest，thewearmphologyofthesamplehadsignificantchangeswiththeimpactloadincreasing，whentheimpactener

8、gyis2J，wnsurfaceofthesamplehasalargenumberofflakingpits，whichareshallowsmall，sowearextentofmaterialsislargewhentheimpactenergyis3J，thewnsurfaceofthesamplebasicallyhasnoflakingpits，haslitterflakingpits，sowearextentofmater