A FUNDAMENTAL STUDY OF ROLLING CONTACT FATIGUE

Abstract

Chemical polishing of LiF crystals using HBF4 was unsatisfactory. Polishing unannealed irradiated crystals in agitated solutions of 2 to 5% NH4OH was promising. An aqueous solution of 1.5 x 10 to the -4th power M FeF3 was superior to FeCl3 as an etchant medium. Cleavage of LiF crystals at liquid N temperature apparently decreased brittleness. Cleaved crystals annealed between 350 and 500 C showed evidence of thermal etching. High voltage electron irradiation of LiF crystals produced atomistic effects similar to gamma irradiation. Irradiated crystals were cleaved with less effort and deformation than the as-received crystals. A technique for observing dislocations introduced by rolling was devised.

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Document Details

Document Type
Technical Report
Publication Date
May 01, 1962
Accession Number
AD0276887

Entities

People

  • N. W. Kirshenbaum

Tags

Communities of Interest

  • Advanced Electronics
  • Air Platforms
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Acetic Acid
  • Annealing
  • Aqueous Solutions
  • Dislocations
  • Electron Irradiation
  • Electrons
  • Gamma Rays
  • Government Procurement
  • Governments
  • High Temperature
  • High Voltage
  • Hydroxides
  • Liquids
  • New England
  • Polishing
  • Radiation
  • Radiation Effects

Readers

  • Metallurgy
  • Nuclear and Radiation Engineering.
  • Thin Film Deposition Science.

Technology Areas

  • Microelectronics