Modern station and promises of application of technology electron-beam evaporation-condensation metals non metals in vacuum for resaving of materials for electrical contacts and electrodes

Abstract

In this article principle schemes of equipment and technological process of condensate composite materials in systems Cu–Y–Zr–(W, Mo, Cr) making were given. It was established that besides of mentioned in special literature atom–molecular mechanism of mass transfer the drop mechanism is evident. This mechanism determines of structure peculiarities of condensates containing W, Mo, Cr with different interaction with Cu. The investigating condensates advantage by laminates structure with hierarchy of macro-, micro- and sub micro levels and with effects of age-hardening and dispersion- strengthened of material. However the decomposition of non-equilibrium solid solutions on Cu and Cr base requires suitable sampling of technological process parameters to suppress of the structure and element distribution irregularity. Examples of practical application of condensed from the vapor phase composite materials of Cu–Mo, Cu–W, Cu-Cr, Cu–Al₂O₃ for the manufacture of electrical contacts and electrodes were reduced.