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Ferrographic analysis of wear debris generated in accelerated rolling element fatigue tests

Author
Parker, R. J.
Published
Oct 1, 1977.
Physical Description
1 electronic document
Additional Creators
Jones, W. R., Jr.
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
The types and quantities of wear particles generated during accelerated ball rolling contact fatigue tests were determined. Ball specimens were made of AMS 5749, a corrosion resistant, high-temperature bearing steel. The lubricant was a super-refined naphthenic mineral oil. Conditions included a maximum Hertz stress of 5.215 times 10 to the 9th power Pa and a shaft speed of 10,000 rpm. Four types of wear particles were observed; normal rubbing wear particles, fatigue spall particles, spheres, and friction polymer.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19770025344.
Accession ID: 77N32288.
E-9260.
NASA-TM-73715.
Joint Lubrication Conf.; 3-5 Oct. 1977; Kansas City, MO; United States.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15731216