A computer program for evaluating surface roughness

J. I. McCool

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The film thickness parameter, LAMBDA, is not indicative of the state of stress around the asperity tips in the partial lubricant film regime. A PC program developed by MRC Bearings relates the film thickness and two measured surface roughness characteristics to the real mean value of the surface pressure, the number of plastic micro-contacts and other indicators of stresses in the contact zone. The program is valuable for specifying the surface roughness so that the microstresses in two surfaces separated by a lubricant film of prescribed thickness will be acceptable. In rolling bearing technology, such an analysis can be performed for a surface separation equal to the calculated film thickness in order to be able to gain a quantitative assessment of the contact conditions. (from authors' abstract)

Original languageEnglish (US)
JournalBALL BEARING J.
Issue number234 , Sep., 1989, p.16-21.
StatePublished - 1989

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Bearings (structural)
Film thickness
Computer program listings
Surface roughness
Lubricants
Plastics

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

McCool, J. I. (1989). A computer program for evaluating surface roughness. BALL BEARING J., (234 , Sep., 1989, p.16-21.).
McCool, J. I. / A computer program for evaluating surface roughness. In: BALL BEARING J. 1989 ; No. 234 , Sep., 1989, p.16-21.
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McCool, JI 1989, 'A computer program for evaluating surface roughness', BALL BEARING J., no. 234 , Sep., 1989, p.16-21..

A computer program for evaluating surface roughness. / McCool, J. I.

In: BALL BEARING J., No. 234 , Sep., 1989, p.16-21., 1989.

Research output: Contribution to journalArticle

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AU - McCool, J. I.

PY - 1989

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AB - The film thickness parameter, LAMBDA, is not indicative of the state of stress around the asperity tips in the partial lubricant film regime. A PC program developed by MRC Bearings relates the film thickness and two measured surface roughness characteristics to the real mean value of the surface pressure, the number of plastic micro-contacts and other indicators of stresses in the contact zone. The program is valuable for specifying the surface roughness so that the microstresses in two surfaces separated by a lubricant film of prescribed thickness will be acceptable. In rolling bearing technology, such an analysis can be performed for a surface separation equal to the calculated film thickness in order to be able to gain a quantitative assessment of the contact conditions. (from authors' abstract)

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McCool JI. A computer program for evaluating surface roughness. BALL BEARING J. 1989;(234 , Sep., 1989, p.16-21.).