Powder Composite Surfaces, Coatings and Films

Dear Colleagues,

Recent theoretical and experimental developments in multifunctional coatings as single or multilayers covering metallic substrates are among the most highly exploited research systems in the field of corrosion science and engineering. Research has been spurred primarily by durability in demanding environmental conditions required by current applications ranging from aerospace, medical, automotive and chemical industries to oil and gas technologies. Driven by the current state of knowledge of corrosion prevention mechanisms, the need to maintain the structural material integrity and the reliability of assets under harsh environments and a renewed impetus toward the durability of new nanostructured coating systems, there is huge demand for experimental, theoretical and modeling activities.

The physicochemical and operational properties of materials and coatings depend on their chemical composition and structure. Powder metallurgy makes it possible to obtain new materials and coatings from metal elements that differ greatly in their melting temperature and do not fuse with each other, as well as to combine metals with non-metallic components in one material. Due to this, the use of powder materials ensures the production of products and coatings with a given structure and unique functional properties. The use of powder materials is promising for the production of functional coatings from high-entropy alloys, biocompatible materials and nanostructured, diamond-impregnated and other composites.

Coatings and films from powder materials can be obtained by methods of thermal spraying, laser cladding, composite soldering, sintering and other methods. The sputtering targets from powder materials is used in the PVD process.

Powder metallurgy is becoming more widespread in modern production. In this regard, it is of great interest to modify the surface of sintered materials with diffusion coatings aimed at increasing their operational properties.

The purpose of this Special Issue is to provide a comprehensive view of current advances and development prospects in the field of powder composite surfaces, coatings and films.

The scope of this Special Issue will serve as a forum for papers in the following topics:

• New methods of forming the structure and properties of the surface of powder materials;
• Functional powder composite coatings, including nanostructured and biocompatible coatings;
• Coatings from high-entropy alloys;
• Obtaining coatings by methods of thermal spraying, PVD technologies, laser deposition, composite soldering and sintering;
• Modification of the surface of sintered materials, including diffusion coatings.

Prof. Dr. Ivan Shorstkii
Prof. Dr. Evgeny Sokolov
Guest Editors

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