Size Effects on the Plastic Deformation of the BCC-Metals Ta and Fe

Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Kaufmann, Daniel
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Göttingen : Cuvillier Verlag, 2011.
Temas:
Deformations (Mechanics)
Déformations (Mécanique)
deformation.
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Intro; Introduction; Background; Dislocations; Deformation of Single Crystals; Plasticity in Bulk BCC Metals; Screw Dislocations in BCC Metals; Dislocation Sources in BCC Metals; Influence of Image Stresses on Dislocations; Mechanical Size Effects; Hall-Petch-Relation; Mechanical Size Effects in Thin Metal Films; The Microcompression Technique; Experimental; Dual Beam SEM and FIB; EBSD; Sample Fabrication; Top-Down Milling; The Lathe Technique; Nanoindenter; Compression of Pillars; Aligning Cuboidally Shaped Pillars; Identification Procedure of Glide Planes; Sample Materials and Specimens
  • CopperTantalum; alpha-Iron; Pre-studies; Gallium Induced Damage; Determination of Young's Modulus; Motivation; The Experimental Concept; Results and Discussion; Results; Copper; Size Dependent Deformation; Deformation of Cuboidal Cu Pillars; Tantalum; Size Dependent Deformation of Ta; Load Rate Dependence; Deformation of Cuboidal Ta Pillars; EBSD After Compression; In Situ Microcompression; Investigation of the Effect of Initial Dislocation Density on Pillar Deformation; alpha-Iron; Size Depependent Behaviour; Load Rate Dependence; Deformation of Cuboidal Fe Pillars
  • Identification of Activated Glide SystemsDiscussion; Mechanical Size Effects in Ta; Mechanical Size Effects in Fe; Comparison fcc and bcc Metals; Comparison of Different bcc Metals; Mechanisms Affecting Size Effects in bcc Metals; More Dislocation Sources in BCC; Surface Related Effects; Kinetic Pile-up; Cuboidally Shaped Pillars; Comparison of Cylindrical and Cuboidal Pillars; Composite Material Model; Strain Rate Sensitivity of Small Ta and Fe Pillars; Summary; Appendix; Coarse Cut of Pillars by Using EDM; Indentation Strain Rate
  • Temperature Dependence of the Mechanical Size Effect of BCC MetalsNormalization by Shear Modulus Applied to BCC Metals; Microcompression of Cuboidal Pillars: 'True Stress' Calculation

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