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Lubricant Compact Wear Rate Techniques

Report Number: AFWAL TR 81-4014
Author: Mecklenburg, K. R.
Corporate Author: Midwest Research Institute
Date of Publication: 1981-03-01
Pages: 107
AD Number: ADA101493

The need for solid lubrication of cruise missile engine bearings prompted a study on the wear rate of a solid lubricant compact under various conditions of load and velocity. The experimental procedure and test specimen configuration were detailed in the report. Mathematical handling of the weight loss data, discussed in detail, allowed the representation of the wear rate as a function of various combinations of load and velocity to be presented in a single equation, the equation of the wear rate 'surface'. Two equations were developed on the lubricant compact, one for oscillatory motion and one for unidirectional motion. Alternate forms for the wear equation were discussed with the reasons for non-use. Detailed computer programs developed for data handling were also presented.

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