工学部_研究紹介_2020_英語版

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Transparent compressed wood made from Japanese cypress ( ChamaecyparisobtusaSieb. et Zucc. ) .KimiyoshiKitazawaProfessorResearch Interest:Technology of plasticity; Eco-materials; Recycling; Eco-mindAwards: 1989 Paper prize (JSTP); 2005 Award of the Ministry of Education (JSEE)The cold recycling enables large reduction of energy consumption and the greenhouse gas emission in comparison with conventional recycling.Cold Recycling；Transparent Compressed WoodIn the FutureAfter GraduationTheenvironmentalproblemssuchastheglobalwarmingbecametheseriousproblemtothreatenasustainabilityofthehumandevelopment.Toreduceenvironmentalimpactsoccurringateachstageofthelifecycleofproducts,threenewtechniqueshavebeendevelopedinourlaboratory.Thefirstisatechniqueoftheincrementalformingforthepurposeofthesmalllotproductionofthesheetmetalproduct.Thesecondisatechniqueofcompressionformingforthepurposeoftheproductionofeco-productwhichcontributestofixationforacarbonlongtermwithbiomassasrawmaterials,suchaschaff,bambooandthinningwood.Thethirdisatechniqueofthecoldrecyclingofsheetmetalproductsforthepurposeofthereductionofthegreenhousegasemission.Theincrementalformingenablesustobreakawayfromthesocietyofmassproduction,massconsumptionandmassdisposal.Theproductpreparedbythecompressionformingisharmlessfornaturalecosystemandthehealthofthepersoninallstagesofthelifecycleofproduct.Thesheetmetalrestoredbythecoldrecyclinghastheformabilitythatisequaltosheetmetalrestoredbytheconventionalrecyclingincludingthemeltingprocess.Recyclingnottodissolvemetalisbecomingthereality.Graduateswhoperformedexperimentalstudyoftheeco-technologyplaysanactivepartasanengineerinmakerssuchastheelectricelectronicequipment,car,precisioninstrumentandmetal.Mechanical Systems EngineeringKazuhiko SakakiIn the FutureMechanical Systems EngineeringAfter GraduationThemainareaofresearchatourlaboratoryissurfacetechnologies,focusedonthermalsprayingandkineticspraying(coldspray).Theprocessparametersandtheireffectsonthemicrostructureandpropertiesofthecoatingsareanalyzed.Theresultsareusedtodevelopcoatingpropertiestailoredtothefunctionofthecoatedpartsandtoimproveexistingsurfacesystems.OurLabmaintainsacloserelationshipwithotherdomesticindustriesandinstitutes.Weconductbasicresearchanddevelopapplicationswithindustries.OurlabhadbeenpioneeringcoldsprayR&DinJapansince1999.Wehavecarriedoutboththeoreticalandexperimentalstudies.Wecollaboratewithmanycompaniesthatarewillingtodevelopnewproducts.Theexamplesareasiliconelectrodeforthenext-generationlithiumbatteriesbythecoldsprayandthepowerunitwithceramicmatrixandthemetalcoatingbyanewjoiningmechanism.Professor・Graduate School：Shinshu Univ. , (Master course , Graduate School, Division of Engineering) , 1988・1988 -1993 , ToshibaCo.・Doctor of Engineering , Shinshu UniversityThe cold spray gun nozzle produced in our lab. In the cold spray method, a coating is formed by exposing a substrate to high-velocity solid-phase particles, which have been accelerated by supersonic gas flow at a temperature much lower than the melting temperature of the feedstock."Development of the Coating Technology (process and materials) " for high function of the machine materialThe composite (cermet) coating of the ceramic and metal superior by abrasion properties-resistant had been developed by high velocity flame (HVAF) spray.The graduates are working actively at car, ship-building, precision instrument, and medical equipment manufacturers. Many of them choose to work in the fields that are not directly related to their thesis works, but they have the ability to adjust themselves to different environments as well as the basic scholastic ability.←The copper particle collided on steel substrate at 500m/s: A copper part spouts out into a fold (called “ material jet ”) form the interface with the substrate. 49