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Relationship between lubricant shear strength and chemical composition of the base oil
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Maskinelement.ORCID-id: 0000-0003-4785-7098
1989 (engelsk)Inngår i: Wear, ISSN 0043-1648, E-ISSN 1873-2577, Vol. 130, nr 1, s. 213-224Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A new method for the experimental evaluation of the shear strength of lubricants at high pressures and temperatures is presented. The main parts of the experimental apparatus are a lubricated sintered-carbide surface and an impacting steel ball. A picture-processing system is used to examine the ball trajectory after impact and to calculate the limiting shear strengthpressure coefficient of the lubricant. Using this apparatus the influence of the chemical composition of the base oil on the limiting shear strengthpressure coefficient has been investigated. It was found that the chemical structure of the oil is of major importance in determining the shear strength. Additives have no significant effect on the shear strength.

sted, utgiver, år, opplag, sider
1989. Vol. 130, nr 1, s. 213-224
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Maskinelement
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URN: urn:nbn:se:ltu:diva-7779DOI: 10.1016/0043-1648(89)90234-2ISI: A1989T600500019Scopus ID: 2-s2.0-0024626078Lokal ID: 63318b60-c25d-11db-9ea3-000ea68e967bOAI: oai:DiVA.org:ltu-7779DiVA, id: diva2:980669
Merknad
Godkänd; 1989; 20070202 (cira)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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