Engineering-Research-Activity2016｜SHINSHU UNIV.

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Sugimotolab.Isdevelopingnewtypesofultrahigh-strengthstructuralsteels,TRIP-aidedmartensitic(TM)steelandTRIP-aidedbainiticferrite(TBF)steel,whichpossessagoodformability,highfatiguestrength,hightoughnessandhighdelayedfracturestrength.Thekeytechnologyisausageofmetastableretainedaustenitewhichincreasesstrain-hardeningrateandrelaxesthelocalizedstressconcentrationthroughstrain-inducedtransformationtomartensiteintheseTRIP-aidedsteels.Steelsarethemostimportantmaterialseveninfuture.Ourlab.Inventedsomeadvancedultrahigh-strengthsteelswiththebestformabilityandmechanicalpropertyintheworld.Ultrahigh-strengthTBFandTMsteelsco-developedwithJapanesesteelmakersareexpectedtoproduceenergy-savingautomobilesthroughweightreductionandlowfuelconsumption.Koh-ichiSugimotoProfessorStudents preparing some experiment for material testing.Development and Applications of Ultrahigh-Strength Low Alloy TRIP-aided SteelsMicrostructure of TRIP-aided bainiticferrite steel (TBF steel) and application to automobile body and diesel engine common rail.StudentsinSugimotolaboratorywilllearnmetallurgyandformingtechnologybymanyexperimentsandwillbeabletoapplywhattheylearntotherealworld.Manystudentsareworkingasengineersinfamouscompaniessuchasautomobilemakers,steelmakersandsoon.Pump sideInjection sideSugimotoLabIn the FutureMechanical Systems EngineeringAfter GraduationFukadaLabIn the FutureMechanical Systems EngineeringAfter GraduationEvolutionalperformanceofcurrentdigitalequipmentsinourlives,suchasDVDplayers,digitalcamerasandmobilephones,issupportedbytheprogressinaccuracyandresolutionofultraprecisionfabricationtechnology.Thoseultraprecisiontechnologiesessentiallyneedmotiondevicesthatareabletomoveobjectswithnanometricoratomic-levelresolutionandaccuracy.Fukadalaboratoryconductsresearchesinthefieldofultraprecisionmechanicalsystems,andourcurrentinterestsareprecisionmechanicalelementsandthemeasurementandcontrolofultraprecisionmechanisms.TheaccuracyofmachiningorfabricatingprocessesformechanicalelementsorelectronicdevicesimpliestheleveloftechnologicaldevelopmentinanationTheimprovementofmachiningaccuracyleadstotheimprovedperformanceofeverymachineandequipment.Theprogressofultraprecisionpositioningtechnologyenablesartificialfabricationofultra-finestructureswithatomicspacing,whichopensdoorstodevelopnovelmedicaldevicesandecologicaltechnologies.Prof. Shigeo FukudaHis major fields are precision engineering and ultraprecisionmechatronics. He is very attached to design of mechanisms as an engineer. Precision machining is also his hobby.Ultraprecisionpositioning mechanism realizing nanometricresolution. It performs motion with three degrees of freedom in X-Y plane.Mechanical Motion with Atomic-level Resolution and Accuracytoward the realization of ultraprecisionmechanismUltraprecisionpositioning stage driven by a ball screw firstly realizing positioning resolution at angstrom level as atomic spacing.StudentsinFukadalaboratorydesignandmanufactureultraprecisionexperimentalapparatusesandprogramsoftwaretocontrolthembythemselves.Ourgraduatesareworkingasengineersinvariousindustries.8

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