Engineering-Research-Activity2015｜SHINSHU UNIV.

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Mass production of micro parts by electroplatingShinohara LabWearedoingresearchworkonpreparingthinalloyplates.Thealloyplateshavepropertiessuchaslowmeltingpoints,highcorrosionresistance,andhighhardness.Thethinalloyplateshavebeenpreparedbyplacingthepositivedepositionpotentialsofmetalsnearthenegativeonesofothermetalsusingorganicadditives.However,theseadditiveshavenegativeeffectsonthecharacteristicsofalloymetalplates.Inourlaboratory,wetrytomakealloyplatesbyapotentialpluselectroplatingmethodwithoutadditives.Usuallysmallpartsaremadebycuttingorshavingmaterials.Butthesemethodsarenotsuitableformassproductionofsmallpartswhosesizearesmallerthan0.1mm.So,wetrytomakesmallpartsbypilinguptheatomsusingelectroplatingmethods.Now,weareselectingproperalloysforthismethod.NaoyukiShinoharaAssociateProfessorAfter graduated the ShinshuUniv., I have been studingthe effects of organic sub-stances on the electroplating of metal.Cross section Cu/In deposit, Cu deposited on red area, Cu and In codepositedon green area.Cross section of Cu/In deposit prepared by potential pulse electrodepositionmethod.Thegraduatesofourlaboratoryareemployedinavarietyofmanufacturingcompaniesinthefieldsofelectronicsandprecisionequipments.Chemistry& MaterialEngineeringIn the FutureAfter GraduationSeparation technology using polymer membranesKiyono LabMembraneseparationtechnologycanbefoundinvariousindustrialareas.Thetechnologyhasbecomeincreasinglyimportantanditrequiresnewmaterialsandmembranes.Inourlaboratorynovelmembranes(hollowfiberion-exchangemembranes,compositemembranesofpolydimethylsiloxanewithcarbonnanofiber,…)havebeenpreparedusingvariouspolymersandfunctionalmaterials.Transportpropertiesacrossthemembranesareinvestigated.Somescientistssaymembranetechnologyplaysacentralroleinourdailylife.Today,membraneprocessesareusedinawiderangeofindustrialapplications:desalinationofseawater,purificationofmaterials,foodandbeverage,fuelcell,gasseparation,etc.Thenumberofsuchapplicationsisstillgrowingandenvironmentalapplicationsforcleantechnologyareverypromising.RyotaroKiyonoAssociateProfessorPolymer Chemistry, Polymer MaterialsPreparationofnovelpoly-mermembranes,Analysisoftransportmechanismacrossmembranes.The apparatus for membrane separation experiments and a result. Pure liquid was obtained by the separation.Cross-sectional images of hollow fiber ion-exchange polymer membranes prepared in laboratory. Manyundergraduatestudentsadvancetoourgraduateschool.Afterthegraduation,theyworkatcompaniesthatdealwithpolymermaterialsormembraneseparationtechnology.Chemistry& MaterialEngineeringIn the FutureAfter Graduation44

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