ASTM F2661 PDF
ASTM F2661 PDF
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ASTM F2661 PDF

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Standard Test Method for Determining the Tribological Behavior and the Relative Lifetime of a Fluid Lubricant using the Spiral Orbit Tribometer

Published byPublication DateNumber of Pages
ASTM12/31/20217

ASTM F2661 – Standard Test Method forDetermining the Tribological Behavior and the Relative Lifetimeof a Fluid Lubricant using the Spiral Orbit Tribometer

1.1 This test method covers the quantitative determination of the friction coefficient and the lifetime of oils and greases, when tested on a standard specimen under specified conditions of preparation, speed, Hertzian stress, materials, temperature, and atmosphere, by means of the Spiral Orbit Tribometer (SOT). This test method is intended primarily as an evaluation of the lifetimes of fluid lubricants under vacuum and ambient conditions.

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