Thermomechanical Contact Phenomena and Wear of Face Seals.
Abstract
Contact between the two seal rings of a mechanical face seal was monitored using a unique contact probe. It was found that several discrete patches of solid-to-solid contact exist at the contact interface, whether the seal be run dry or with a sealed liquid. Seal profiles were determined using a computer-aided profilometry system before and after seal operation. Comparison between the surface profiles and the contact measurements showed that the contact patches occur at the waviness peaks on the harder and stiffer of the two rings. Wear occurs only within those patches and this results in increased surface roughness. The total wear of the seal rings was considerably greater for a material with larger patch sizes resulting, at least in part, from increased thermal conductivity. Originator-supplied keywords include: Mechanical seals, Face seals, Wear, and Thermoelastic instability.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 01, 1985
- Accession Number
- ADA152243
Entities
People
- C. K. Chuah
- F. E. Kennedy Jr.
- W. Brote