改性納米SiC粉體強(qiáng)韌化13-4不銹鋼組織和性能研究.pdf

1、大連交通大學(xué)碩士學(xué)位論文改性納米SiC粉體強(qiáng)韌化134不銹鋼組織和性能研究姓名：陳凱申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：材料加工工程指導(dǎo)教師：陳美玲20090613大連交通大學(xué)T學(xué)碩十學(xué)位論文AbstractFluidwithsanddidsevereharmtothehydraulicturbinetransitionpartsandthehydraulicarchitectureHowtoevaluatethewearpropertiesand

2、corrosionpropertiesofmaterialsandimprovethemarethekeyproblemsthatinfluencethefurtherdevelopmentofnationalhydropower‘’Basedontheanalysisofexperimentalmethodsofabrasionresistingandcorrosionresistance，thisthesisbroughtdiffe

3、rentadditiveprocessandquantitytoimprovetheimpacts0f13—4martensitestainlesssteelReinforcedcastmartensitestainlesssteelbymodifiednano—SiCpowdershadbeendesignedandpreparedinthispaperThefeasibleandlowcostofprocesswascarriedo

4、uttopreparereinforcedcastmartensitestainlesssteel，whichhadgoodmechanicalperformanceandusecharacteristicsforfutureindustrymanufacturing，Themicrostructures，propertyofmechanical，antiwearpropertyandcorrosionresistancewasstud

5、ied；thetheoriesofstrengthening，antiwearpropertyandcorrosionresistancewasdiscussedMicrostructuresandpropertiesofthesampleswereinvestigatedanddiscussedbyopticalmicroscope，SEM，andmechanicaltestingTheresultsshowedthatthetoug

6、hnessofsamplesbydifferentaddingprocessandaddingquantitywereincreasedby3856％and342％respectivelyAndtheductilefractureswereobtainedTheanticorrosionpropertyinFeCl3andNaClwasincreasedby4894％and6938％throughaddingnanopowdersdif

7、ferentprocessandquantityThewearresistancewasincreasedby7823％，andtheductilefracturesareobtainedThetechnology，materialsreinforcedbymodifiedSiCnano—powderswasadvanced，andaddedvalueishighFurthermore，equipmentandprocessweresi

8、mpleandoperationwaseasyOverallperformancesofthestainlesssteelcouldb9improvedeffectivelyandenergyconsumptioncallbereducedItcouldbewidelyappliedinthecastingproduction，andrealizedthegreenproductionandthesustainabledevelopme