Extension of the Friction Mastercurve to Limiting Shear Stress Models
A previous study of the behavior of friction in EHL contacts for the case of Eyring lubricant behavior resulted in a friction mastercurve. In this paper the same approach is applied to the case of limiting shear stress behavior. By means of numerical simulations the friction coefficient has been com...
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| Veröffentlicht in: | Journal of tribology 2003-10, Vol.125 (4), p.739-746 |
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| container_title | Journal of tribology |
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| creator | Jacod, B Venner, C. H Lugt, P. M |
| description | A previous study of the behavior of friction in EHL contacts for the case of Eyring lubricant behavior resulted in a friction mastercurve. In this paper the same approach is applied to the case of limiting shear stress behavior. By means of numerical simulations the friction coefficient has been computed for a wide range of operating conditions and contact geometries. It is shown that the same two parameters that were found in the Eyring study, a characteristic shear stress, and a reduced coefficient of friction, also govern the behavior of the friction for the case of limiting shear stress models. When the calculated traction data is plotted as a function of these two parameters all results for different cases lie close to a single curve. Experimentally measured traction data is used to validate the observed behavior. Finally, the equations of the mastercurves for both types of rheological model are compared resulting in a relation between the Eyring stress τ0 and the limiting shear stress τL. |
| doi_str_mv | 10.1115/1.1572513 |
| format | Article |
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H ; Lugt, P. M</creator><creatorcontrib>Jacod, B ; Venner, C. H ; Lugt, P. M</creatorcontrib><description>A previous study of the behavior of friction in EHL contacts for the case of Eyring lubricant behavior resulted in a friction mastercurve. In this paper the same approach is applied to the case of limiting shear stress behavior. By means of numerical simulations the friction coefficient has been computed for a wide range of operating conditions and contact geometries. It is shown that the same two parameters that were found in the Eyring study, a characteristic shear stress, and a reduced coefficient of friction, also govern the behavior of the friction for the case of limiting shear stress models. When the calculated traction data is plotted as a function of these two parameters all results for different cases lie close to a single curve. Experimentally measured traction data is used to validate the observed behavior. Finally, the equations of the mastercurves for both types of rheological model are compared resulting in a relation between the Eyring stress τ0 and the limiting shear stress τL.</description><identifier>ISSN: 0742-4787</identifier><identifier>EISSN: 1528-8897</identifier><identifier>DOI: 10.1115/1.1572513</identifier><identifier>CODEN: JOTRE9</identifier><language>eng</language><publisher>New York, NY: ASME</publisher><subject>Applied sciences ; Exact sciences and technology ; Friction, wear, lubrication ; Machine components ; Mechanical engineering. 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M</creatorcontrib><title>Extension of the Friction Mastercurve to Limiting Shear Stress Models</title><title>Journal of tribology</title><addtitle>J. Tribol</addtitle><description>A previous study of the behavior of friction in EHL contacts for the case of Eyring lubricant behavior resulted in a friction mastercurve. In this paper the same approach is applied to the case of limiting shear stress behavior. By means of numerical simulations the friction coefficient has been computed for a wide range of operating conditions and contact geometries. It is shown that the same two parameters that were found in the Eyring study, a characteristic shear stress, and a reduced coefficient of friction, also govern the behavior of the friction for the case of limiting shear stress models. When the calculated traction data is plotted as a function of these two parameters all results for different cases lie close to a single curve. Experimentally measured traction data is used to validate the observed behavior. Finally, the equations of the mastercurves for both types of rheological model are compared resulting in a relation between the Eyring stress τ0 and the limiting shear stress τL.</description><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>Friction, wear, lubrication</subject><subject>Machine components</subject><subject>Mechanical engineering. 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Machine design</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jacod, B</creatorcontrib><creatorcontrib>Venner, C. H</creatorcontrib><creatorcontrib>Lugt, P. M</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><jtitle>Journal of tribology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jacod, B</au><au>Venner, C. H</au><au>Lugt, P. M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Extension of the Friction Mastercurve to Limiting Shear Stress Models</atitle><jtitle>Journal of tribology</jtitle><stitle>J. Tribol</stitle><date>2003-10-01</date><risdate>2003</risdate><volume>125</volume><issue>4</issue><spage>739</spage><epage>746</epage><pages>739-746</pages><issn>0742-4787</issn><eissn>1528-8897</eissn><coden>JOTRE9</coden><abstract>A previous study of the behavior of friction in EHL contacts for the case of Eyring lubricant behavior resulted in a friction mastercurve. In this paper the same approach is applied to the case of limiting shear stress behavior. By means of numerical simulations the friction coefficient has been computed for a wide range of operating conditions and contact geometries. It is shown that the same two parameters that were found in the Eyring study, a characteristic shear stress, and a reduced coefficient of friction, also govern the behavior of the friction for the case of limiting shear stress models. When the calculated traction data is plotted as a function of these two parameters all results for different cases lie close to a single curve. Experimentally measured traction data is used to validate the observed behavior. Finally, the equations of the mastercurves for both types of rheological model are compared resulting in a relation between the Eyring stress τ0 and the limiting shear stress τL.</abstract><cop>New York, NY</cop><pub>ASME</pub><doi>10.1115/1.1572513</doi><tpages>8</tpages></addata></record> |
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| language | eng |
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| source | ASME Transactions Journals (Current) |
| subjects | Applied sciences Exact sciences and technology Friction, wear, lubrication Machine components Mechanical engineering. Machine design |
| title | Extension of the Friction Mastercurve to Limiting Shear Stress Models |
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