A Mathematical Technique for Comparing Shear Stability in Bench Tests and Service

770633

02/01/1977

Event
1977 SAE International Fall Fuels and Lubricants Meeting and Exhibition
Authors Abstract
Content
Viscosity decrease as a function of the duration of mechanical shearing is described by a mathematical model. Applicability of the model to several different types of service is demonstrated. For automobile engine oil service that shows a viscosity decrease initially, followed by a gradual viscosity increase, the model offers a means of separating the viscosity decrease term from the total viscosity change. The model provides a rational method of comparing shearing in bench tests with shearing in service. It also offers a means for detailed comparisons of the shear stability of different lubricants in a given service.
Meta TagsDetails
DOI
https://doi.org/10.4271/770633
Pages
12
Citation
Rein, S., Randall, N., Marshall, H., and Lewis, B., "A Mathematical Technique for Comparing Shear Stability in Bench Tests and Service," SAE Technical Paper 770633, 1977, https://doi.org/10.4271/770633.
Additional Details
Publisher
Published
Feb 1, 1977
Product Code
770633
Content Type
Technical Paper
Language
English