RAIL CORRUGATIONS RESULTING FROM ULTRASONIC FREQUENCY VIBRATIONS IN THE RAIL HEAD

The ultrasonic frequency vibrations produced in the head of a rail each time the wheels roll over a crest of roughness will persist over a certain reverberation time. Reasons are given for the fact that during the reverberation stationary waviness of the vibration amplitude occurs along the rail and become impressed in the rail if the wheel rolls fast enough. This "impression" occurs through a more or less ordered formation of fictional martensite strips or spots and islands of corrosion. Much rolling over initially strongly differentiated impressions leads increasingly to large-area structures with increasing differences in height in the longitudinal direction until the final discrete corrugated spots result at intervals which have a spread of about 2 to 3 cm about an average which depends on the dimensions of the rail head. Recordings of the frequency of occurence of the corrugation intervals show a clear correlation with the height of the rail head.

  • Corporate Authors:

    Hestra Verlag

    Holzhofallee 33, Postfach 4244
    6100 Darmstadt 1,   Germany 
  • Authors:
    • Werner, K
  • Publication Date: 1979-9

Language

  • German

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00308437
  • Record Type: Publication
  • Source Agency: British Railways
  • Files: TRIS
  • Created Date: Feb 27 1980 12:00AM