冷鐓鋼低溫軋制的研究.pdf

1、東北大學(xué)碩士學(xué)位論文冷鐓鋼低溫軋制的研究姓名：龐波申請學(xué)位級別：碩士專業(yè)：材料加工工程指導(dǎo)教師：齊克敏高秀華20070101東北大學(xué)碩士學(xué)位論文abstractStudyonLowTemperatureRollingofColdForgingAbstractTheproduceofdomesticcoldforginghavealreadyformeddefinitescaleThetemperaturedropofwireisvery

2、littleevenheatingupfromcogging—downrollingtofinishrollinginthehi曲speedwirerodmillAttheproductionpracticetherewillbetheproblemssuchasproduct’Squalityfallingthatareresultedbytheoverhi班offinishrollingtemperatureSothethesisd

3、iscussesonadoptinglowtemperaturerollingtoproducecoldforgingsteelThelowtemperaturerollingdon’tonlyreducethedissipationofenergybutonlyimprovethequalivyofcoldforgingsteelproducts，whichpossessespracticalmeaningforwireproduci

4、ngThemainworksateinvolvedasfollowing：lBasicresearchofthemicrostructureevolutionofML40Crsteelduringcoolingprocesswascarriedouttkroughhotsimulationexperiments，ThehotsimulationexperimentsofML40CrsteelwercinvestigatedllsingG

5、leeble3800111eexperimentalsteels’Ar3、Ae3andAe3WeredeterminedutilizingthermaldilationmethodsUtilizingsinglepasscompressiontestexperimentalsteels’stress—straincurvesw訛determinedAccordingtostress—strainChiNestheexperimental

6、steels’modelofresistanceofdeformationWasestablishedanddynmnicreerystallizationduringdeformationWasinvestigatedThebehaviorofstaticre圮rystallizationanditsinfluenceonsamples’microstruetarewgleinvestigatedthroughdouble—hitco

7、mpressionexperimentsThroughhotdilationmethods，experimentalsteels’dynamieCCTcRrveswereestablishedThecoolingprocessofStelmorcoolingsystenaw囂simulatedandoptimizedthroughhotsimulationexperimentsResearchmentionedabovesupplies

8、basictechnologicalparameterforindustrialexperimentsandthereformationofequipments2FixonthelowtemperaturerollingtechnicsofMIAOCrcoldforgingsteelAccordingtotheexperimentparameterandthepracticalsituationofscene，twolowtempera