INFLUENCE OF SODIUM OXIDE ON REFINING ABILITY OF FLUXES IN ELECTROSLAG REMELTING (VLIYANIE OKISI NATRIYA NA RAFINIRUYUSHCHUYU SPOSOBNOST FLYUSOV ELEKTROSHLAKOVOGO PEREPLAVA),

Abstract

The effect of sodium oxide on the refining capacity of the slags of the CaF2-Al2O3-Na2O system used in electroslag melting has been investigated. It was found that increasing the sodium-oxide content reduces the viscosity and surface tension of slags. As a result, it stimulates the diffusion of silicon, aluminum, and magnesium oxides and lowers the content of nonmetallic inclusions in metal. Sodium oxide added to the slag in the amount of 6% lowers the surface tension of slag at 1600C from 425 to 370 erg/sq. cm. In addition, sodium oxide is a strong desulfurizer. (Author)

Document Details

Document Type
Technical Report
Publication Date
Sep 12, 1967
Accession Number
AD0672347

Entities

People

  • B. M. Nikitin
  • E. I. Malinovskii
  • G. S. Ershov

Organizations

  • National Air and Space Intelligence Center

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Aluminum
  • Diffusion
  • Elements
  • Inclusions
  • Magnesium
  • Magnesium Compounds
  • Metals
  • Physical Properties
  • Refining
  • Surface Tension
  • Viscosity

Fields of Study

  • Materials science

Readers

  • Information Retrieval
  • Materials Science and Engineering.
  • Metallurgy