CONTENTS: Fabrication, Composition, Properties and Application of the AlMg1SiCu Aluminium Alloy Matrix Composite Materials Reinforced with Halloysite or Carbon Nanotubes; Characterization and Testing of High-Entropy Alloys from AlCrFeCoNi System for Military Applications; The Effect of Mn and Ti Ratio on Microstructure and Mechanical and Machinability Properties of 316 L Stainless Steel Used in Biomedical Applications; Dendritic Solidification and Physical Properties of Co-4.54%Sn Alloy with Broad Mushy ZoAn Adaptive Algorithm and Additively Manufactured Punch Used to Form Aluminum Sheet Metal Parts; Automatic Detection of Sorbite Content in High Carbon Steel Wire Rod; Formation of Cu Nanotwins on Silicon Carbide Wafers with Cr Adhesive Layer under Various Substrate Bias; Casting and Applications of Functionally Graded Metal Matrix Composites; High-Entropy Alloys for Micro- and Nanojoining Applications; Germanium: Current and Novel Recovery Processes; First-Principles Investigation of the Diffusion of TM and the Nucleation and Growth of L12 Al3TM Particles in Al Alloys