Comparison of the Relative Wear Performance of Neutral and Basic ZnDTP Salts
Zinc dithiophosphates (ZnDTPs) have been used as the main antiwear additive in automotive engine oils for many years. They consist of mixtures of neutral and basic ZnDTP salts. Until now, the relative wear performance of the neutral and basic ZnDTP salts has not been reported, despite the fact that...
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| Veröffentlicht in: | Tribology transactions 1996-01, Vol.39 (1), p.220-224 |
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| creator | Yamaguchi, E. S. Ryason, P. R. Labrador, E. Q. Hansen, T. P. |
| description | Zinc dithiophosphates (ZnDTPs) have been used as the main antiwear additive in automotive engine oils for many years. They consist of mixtures of neutral and basic ZnDTP salts. Until now, the relative wear performance of the neutral and basic ZnDTP salts has not been reported, despite the fact that these materials are ubiquitous in commercial oils.
In this paper, the relative wear performances of neutral and basic ZnDTP salts are compared using a pin-on-disk tribometer, with oils containing carbon black, a soot proxy. Examples of primary, secondary, and aryl ZnDTPs are studied; thus, the entire commercial range of ZnDTPs are examined. Pure neutral and basic ZnDTP salt molecules were synthesized for this work.
The conclusion reached was that the friction behavior and the wear behavior of each neutral and basic ZnDTP pair were indistinguishable. A possible reason for this observation is given.
Presented at the 50th Annual Meeting in Chicago, Illinois May 14-19, 1995 |
| doi_str_mv | 10.1080/10402009608983524 |
| format | Article |
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In this paper, the relative wear performances of neutral and basic ZnDTP salts are compared using a pin-on-disk tribometer, with oils containing carbon black, a soot proxy. Examples of primary, secondary, and aryl ZnDTPs are studied; thus, the entire commercial range of ZnDTPs are examined. Pure neutral and basic ZnDTP salt molecules were synthesized for this work.
The conclusion reached was that the friction behavior and the wear behavior of each neutral and basic ZnDTP pair were indistinguishable. A possible reason for this observation is given.
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In this paper, the relative wear performances of neutral and basic ZnDTP salts are compared using a pin-on-disk tribometer, with oils containing carbon black, a soot proxy. Examples of primary, secondary, and aryl ZnDTPs are studied; thus, the entire commercial range of ZnDTPs are examined. Pure neutral and basic ZnDTP salt molecules were synthesized for this work.
The conclusion reached was that the friction behavior and the wear behavior of each neutral and basic ZnDTP pair were indistinguishable. A possible reason for this observation is given.
Presented at the 50th Annual Meeting in Chicago, Illinois May 14-19, 1995</description><subject>Applied sciences</subject><subject>Boundary Lubrication</subject><subject>Exact sciences and technology</subject><subject>Friction</subject><subject>Friction, wear, lubrication</subject><subject>Machine components</subject><subject>Mechanical engineering. Machine design</subject><subject>Wear</subject><issn>1040-2004</issn><issn>1547-397X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1996</creationdate><recordtype>article</recordtype><recordid>eNp1kE9LAzEQxYMoWKsfwFsQr6uTZNPdgBetf6Fo0YriZRmys7iy3dRkq_Tbm9rqRTzNwPzee8xjbF_AkYAcjgWkIAHMAHKTKy3TDdYTOs0SZbLnzbjHexKBdJvthPAGILQQqsdGQzedoa-Da7mrePdK_J4a7OoP4k-Eno_JV85PsbW0BG5p3nlsOLYlP8NQW_7Snk_G_AGbLuyyrQqbQHvr2WePlxeT4XUyuru6GZ6OEpuKvEtUTllljNUaBApEacuMqgwHWssqHWgiabTOqTRGlKBETtqK1Fgo0WIGWvXZwcp35t37nEJXvLm5b2NkIaVWA1Cxgz4TK8h6F4Knqpj5eop-UQgolp0VfzqLmsO1MQaLTeXj23X4FcqIGg0RO1lhdfvdzafzTVl0uGic_9Go_1O-AIDpfGA</recordid><startdate>19960101</startdate><enddate>19960101</enddate><creator>Yamaguchi, E. S.</creator><creator>Ryason, P. R.</creator><creator>Labrador, E. Q.</creator><creator>Hansen, T. P.</creator><general>Taylor & Francis Group</general><general>Taylor & Francis</general><general>Taylor & Francis Inc</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>19960101</creationdate><title>Comparison of the Relative Wear Performance of Neutral and Basic ZnDTP Salts</title><author>Yamaguchi, E. S. ; Ryason, P. R. ; Labrador, E. Q. ; Hansen, T. P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c418t-38e7f99c5501a1aa2cd7ef7a6552f465ee29558ed991d0318e5c149c0daca7053</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1996</creationdate><topic>Applied sciences</topic><topic>Boundary Lubrication</topic><topic>Exact sciences and technology</topic><topic>Friction</topic><topic>Friction, wear, lubrication</topic><topic>Machine components</topic><topic>Mechanical engineering. Machine design</topic><topic>Wear</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yamaguchi, E. S.</creatorcontrib><creatorcontrib>Ryason, P. R.</creatorcontrib><creatorcontrib>Labrador, E. Q.</creatorcontrib><creatorcontrib>Hansen, T. P.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Tribology transactions</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yamaguchi, E. S.</au><au>Ryason, P. R.</au><au>Labrador, E. Q.</au><au>Hansen, T. P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparison of the Relative Wear Performance of Neutral and Basic ZnDTP Salts</atitle><jtitle>Tribology transactions</jtitle><date>1996-01-01</date><risdate>1996</risdate><volume>39</volume><issue>1</issue><spage>220</spage><epage>224</epage><pages>220-224</pages><issn>1040-2004</issn><eissn>1547-397X</eissn><coden>TRTRE4</coden><abstract>Zinc dithiophosphates (ZnDTPs) have been used as the main antiwear additive in automotive engine oils for many years. They consist of mixtures of neutral and basic ZnDTP salts. Until now, the relative wear performance of the neutral and basic ZnDTP salts has not been reported, despite the fact that these materials are ubiquitous in commercial oils.
In this paper, the relative wear performances of neutral and basic ZnDTP salts are compared using a pin-on-disk tribometer, with oils containing carbon black, a soot proxy. Examples of primary, secondary, and aryl ZnDTPs are studied; thus, the entire commercial range of ZnDTPs are examined. Pure neutral and basic ZnDTP salt molecules were synthesized for this work.
The conclusion reached was that the friction behavior and the wear behavior of each neutral and basic ZnDTP pair were indistinguishable. A possible reason for this observation is given.
Presented at the 50th Annual Meeting in Chicago, Illinois May 14-19, 1995</abstract><cop>Colchester</cop><pub>Taylor & Francis Group</pub><doi>10.1080/10402009608983524</doi><tpages>5</tpages></addata></record> |
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| ispartof | Tribology transactions, 1996-01, Vol.39 (1), p.220-224 |
| issn | 1040-2004 1547-397X |
| language | eng |
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| source | Taylor & Francis Journals Complete |
| subjects | Applied sciences Boundary Lubrication Exact sciences and technology Friction Friction, wear, lubrication Machine components Mechanical engineering. Machine design Wear |
| title | Comparison of the Relative Wear Performance of Neutral and Basic ZnDTP Salts |
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