DEVELOPMENT OF A LABORATORY TECHNIQUE FOR DEFINING MECHANICAL SHEAR STABILITIES OF MULTI-GRADE ENGINE OILS.
Abstract
A program was initiated to define the mechanical shear stability of polymer-thickened lubricating oils in terms of a laboratory bench-scale technique. In subsequent evaluation studies using standard laboratory-type paint blending/mixing devices, a 'kinetic dispersion mill' was found to induce shear degradation of polymer thickeners in multi-grade engine oils. Further refinement of this technique led to the establishing of a satisfactory correlation with single and multicylinder engine tests. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Nov 01, 1969
- Accession Number
- AD0698027
Entities
People
- Jules Pigliacampi
- Maurice E. Lepera