FUNDAMENTALS OF TECHNOLOGY FOR OBTAINING WEAR-RESISTANT HARD ALLOY POWDER COATINGS BY EXPLOSION

An overview of the results of an experimental study of the effect of the type and content of the metal binder, the parameters of shock-wave compression and subsequent heating on the formation of hard alloys and coatings from them during the explosive treatment of CrC-Ti powder mixtures on steel substrates is presented, the mechanism of wear and antifriction properties of the obtained materials is described.

Магнитные превращения и полиморфный переход ферромагнитных сталей при ударно-волновом нагружении

A.M. Molodets A.A. Golyshev, A.N. Emelyanov, A.A. Kozlov The method for recording magnetic transformation is presented for ferromagnetic steels under shock-wave loading. The operation of the magnetic transformation gauge is considered under shock-wave loading at the polymorphic transition pressure of ARMCO iron and 15Kh2NMFA (in Russian) nuclear reactors case steel. It is shown that the pressures of magnetic transformations of steels correlate with the pressures of polymorphic transitions of these shocked steels. Comparison of gauge readings and parameters of polymorphic transitions was performed for iron and steel during shock-wave compression and subsequent unloading

RESEARCH OF THE MECHANISM OF SEALING POWDER MIXTURES BASED ON SILICON CARBIDE IN EXPLOSIVE PRESSING

The effects of the metal binder content and parameters of shock-wave compression on the compaction of SiC-Ti powder mixtures under explosive loading were investigated; microstructure of the obtained materials; The prevailing mechanisms of compaction of powder mixtures of silicon carbide with titanium during explosive pressing are revealed.