Wear Particle Formation Mechanisms.
Abstract
The report describes the wear found in a lightly loaded, short duration, lubricated bronze on steel sliding system. Examination with a scanning electron microscope indicates that the surface of both bronze and steel are capable of very large plastic deformation. Evidence of a void formation/crack propagation mechanism, operating below the surface to produce loose wear particles was found. Wear particles precipitated out of the lubrication oil by a Ferrograph Analyzer and examined under high magnification showed considerable difference in size and shape to those which have been reported in the literature. Particle shape correlated well with a sub-surface void formation/crack propagation mechanism. A material transfer process of bronze to steel was found to be inconsistent with that predicted by the adhesion wear theory. Appendix one contains a progress report on the analysis of sliding contact of rough surface. (Modified author abstract)
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 01, 1973
- Accession Number
- AD0769775
Entities
People
- Deep C. Joshi
- Harry Koba
- Nathan H. Cook
Organizations
- Massachusetts Institute of Technology