Some Applications of Mechanical Spectroscopy and Magnetic Relaxation Techniques to the Examination of Diffusion Processes in Metals and AlloysPositron Diffusion Influence on the Annihilation Characteristics in Condensed MatterOn the ‘Mature’ Wind Force and a ‘Laggard’ Direct Force in ElectromigrationThe Creep of Nanocrystalline Metals and its Connection with Grain Boundary DiffusionSelf-Interstitial Atoms at High Temperatures in Dense MetalsAtomistic Study of Diffusional Mass Transport in MetalsDefects and Diffusion in Al and Al-Cu AlloyAn Edge Dislocation Near to a Coated Inhomogeneity in a Metal-Matrix CompositeModelling of Trap-Controlled Hydrogen Diffusion in SteelNitrogen Diffusion in Austenitic Stainless Steel and the Formation of Expanded AusteniteOn the Accommodation of Grain Boundary Sliding by Crystallographic SlipA Comparative Study of the Diffusion Processes in Liquid Binary Alloys with a Tendency to Aggregation and SegregationSEM-ECC Investigation of Dislocation Arrangements in Cyclically Deformed Copper Single Crystals with Different Crystallographic OrientationsDislocation Structure in Precipitation-Hardened Ir-Based Binary AlloysInfluence of Grain Boundary Phase Transitions on the Properties of Cu-Bi Polycrystals