Method of testing the qualities of a material

Details Method of testing the qualities of a material Method of testing the qualities of a material

1975-05-29

1977-02-22

Woodiel, Donald O.

Measuring and testing

Miscellaneous

73 612, G01N 3320

Patent

active

040086224

ABSTRACT:
In a method of testing a material to determine its suitability for forming at least a part of a self-lubricating bearing member containing oil by determining whether the material will cause deterioration of the oil, the material in powder form is immersed in the oil which is maintained for a period of time at a temperature at most equal to the maximum temperature of use of the oil, and the properties of the oil, e.g. viscosity and/or color, are compared with a sample of the oil maintained at the same temperature for the same length of time but which does not include the material.

REFERENCES:
patent: 2464233 (1949-03-01), Hughes et al.
patent: 2519323 (1950-08-01), Shank et al.
patent: 2674889 (1954-04-01), Toof
patent: 3228236 (1966-01-01), Landrum et al.

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