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The system approach to study the causes of operational characteristics disturbance for ceramic tool materials based on complex research and its systematization. In the present study the defects by volume and by surface are researched. The main directions of operational characteristics improvement for tool materials are showed.

This paper investigates and analyses use of numerical modeling by finite element method (FEM) at studying of consolidation processes of materials from powder by spark plasma sintering (SPS). Tasks of SPS process optimization is discussed in detail. Examples of numeric analysis of SPS of current conducting and non-conducting materials are given. Numeric modeling of sample sintering with hybrid method when SPS process is combined with hot pressing (HP) process is studied. Also paper presents development prospects of principles of SPS process numeric modeling.

Selective electron beam melting has been considered as the most advanced method of additive manufacturing of workpieces made of titanium and titanium-based alloys for the aircraft industry. The impact of basic technological parameters on the thickness of thin walls obtained with the use of selective electron beam melting has considered. Metallographic examination of the experimental samples has been performed.