Finishing Techniques for Silicon Nitride Bearings

Abstract

Strength, surface finish and rolling contact fatigue life were determined on two grades of hot pressed silicon nitride after a total of twenty- seven different surface finishing procedures. Rolling contact fatigue lives of silicon nitride with selected smoother finishes tested at 800 ksi Hertz stress were an order of magnitude longer than those obtained on the M50 bearing steel controls and more than twice as long as the best results previously obtained on silicon nitride.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1976
Accession Number
ADA025350

Entities

People

  • H. R. Baumgartner
  • Paul E. Cowley

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Ceramic Materials
  • Engineering
  • Geometry
  • Grinding Wheels
  • Machines
  • Machining
  • Materials
  • Materials Engineering
  • Materials Science
  • Materials Testing
  • Mechanical Properties
  • Mechanics
  • Military Research
  • Residual Stress
  • Silicon Carbide
  • Stresses
  • Surface Roughness

Readers

  • Tribology (the study of the boundary interaction between sliding surfaces, lubrication, wear and friction).