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Abstract

Evolutions in Mechanical Engineering

Heat-Resistant Coating of Molybdenum and Tungsten Compounds with Silicon and Carbon on The Surface of Layered Nb/(Si-B) Composite

  • Open or Close VP Korzhov*

    Institute of Solid-State Physics, Russia

    *Corresponding author: VP Korzhov, Institute of Solid-State Physics, Russian Academy of Sciences, Russia

Submission: February 27, 2019Published: March 21, 2019

DOI: 10.31031/EME.2019.02.000542

ISSN: 2640-9690
Volume2 Issue4

Abstract

Using diffusion welding under pressure of multilayer packages with a powder coating of molybdenum, tungsten and silicon, heat resistant multilayer composites ~35×40×2-3mm based on niobium with hardening niobium compounds with carbon and boron and heat-resistant coatings on the surface were obtained. Carbon in the Nb-alloy and coating fell from the CO-atmosphere in the chamber for welding and graphite gaskets located between the package and the punches.

Keywords: Niobium, Layered composite, Heat resistance, Heat-resistant coating, Molybdenum silicide, Tungsten silicide, Solid-phase sintering

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