Grain size effects on the mechanical behaviour of polycrystalline nickel from micro to nanoscale [Elektronische Ressource] / von Bo Yang

GrainSizeEffectsontheMechanicalBehaviourofPolycrystallineNickelfromMicrotoNanoscaleDissertationZurErlangungdesGradesdesDoktorsderIngenieurwissenschaften(Dr. Ing.)derNaturwissenschaftlich TechnischenFakultätIIIChemie,Pharmazie,Bio undWerkstoffwissenschaftenderUniversitätdesSaarlandesvonDipl. Ing. BoYangSaarbrücken,2006Eingereichtam: 20.06.2006TagdermündlichenPrüfung: 24.11.2006Dekan: Prof. Dr. K.HegetschweilerVorsitzender: Prof. Dr. R.ClasenBerichterstatter: Prof. Dr. H.VehoffProf. Dr. W.ArnoldAkad. Mitarbeiter: Dr. F.AubertinAcknowledgementsI am sincerely grateful to my advisor, Prof. Dr. rer. nat. Horst Vehoff, for his support andsupervision during my Ph.D study in his institute. He is one man in my life who urged me onbywayofhisuntiringstudyinginthekingdomofmaterialsscience.I sincerely appreciate Prof. Dr. Mathias Göken of Erlangen Nuernberg University for givingmetheopportunitytoworkhere,forhiscontinuoushelpandadviceandsuccessfulorganizationoftheworkshopeveryyear.Duringthecourseofthiswork,IwassupportedunderthecontractnumberSFB277(B8). Thesupport of the Deutsche Forschungsgemeinschaft is gratefully acknowledged. I would like tothankProf. RolfHempelmannforprovidingmethenanonickel.I thank Miss Kerstin Schüler and Mr. Michael Marx very much for their advice and help formy dissertation; Mr. Karsten Durst, Mr. Markus Kempf, Mr. Mark Henning, Mr. AfroozBarnoush, Miss Dephine Lemaire, Mr. Thomas Waschkies, Mr. Andreas Noll, Mr. JürgenBraun,Mr.