DYNAMICS OF INTERNAL STRESSES IN RAILS AND BUCKLING DURING CORE HARDENING

DINAMIKA OBRAZOVANIJA VNUTRENNIH NAPRJAZENIJ I ISKRIVLENNOST REL'SOV PRI OBEMNOJ ZAKALKE IN V MASLE

This article explains a method for studying stresses in a rail when it is core hardened. It is possible to: - monitor the dynamics of stresses in the rail section and - obtain a diagram of these residual and temporary stresses. By the analytic and experimental method, the rail section is divided into zones having equal cooling times, and the increase in stresses is noted at fixed moments after cooling has begun. The values in the diagram obtained by this method tally with those provided by extensometric methods as regards residual stresses in the surface layers of the rail. The article also gives an analysis of the buckling mechanism which may occur in rails during hardening.

  • Authors:
    • Murav'ev, E A
    • Mihalev, M S
  • Publication Date: 1973

Language

  • Russian

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00129795
  • Record Type: Publication
  • Source Agency: International Union of Railways
  • Files: TRIS
  • Created Date: Mar 10 1976 12:00AM