Structural Changes in Tribo-Stressed Zinc Polyphosphates
The influences of pressure, shear stress and temperature on the structure of zinc orthophosphate and zinc metaphosphate was investigated. Tribological tests were performed to study the combined effect of pressure and shear stress at two temperatures. Friction tests were carried out in the boundary l...
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| Veröffentlicht in: | Tribology letters 2013-09, Vol.51 (3), p.489-498 |
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| creator | Berkani, Sophia Dassenoy, Fabrice Minfray, Clotilde Martin, Jean-Michel Cardon, Herve Montagnac, Gilles Reynard, Bruno |
| description | The influences of pressure, shear stress and temperature on the structure of zinc orthophosphate and zinc metaphosphate was investigated. Tribological tests were performed to study the combined effect of pressure and shear stress at two temperatures. Friction tests were carried out in the boundary lubrication regime from dispersions of zinc polyphosphates in base oil. The effects of pressure alone were investigated using a diamond anvil cell in order to separate it from those of shearing. Raman spectroscopy was used to follow in situ or ex situ the structural changes of the zinc polyphosphate powders and the tribo-stressed areas. Tribofilms obtained with both polyphosphates display a partial and full depolymerization of the zinc metaphosphate at ambient and high (120 °C) temperature, respectively. The large stress and strain conditions of the tribological tests are necessary to induce a tribochemical reaction between zinc metaphosphate and iron oxide leading to a depolymerization of the phosphate in the tribofilm. The tribochemical reaction and antiwear tribofilm formation are significantly enhanced by the modest temperature increase from ambient to 120 °C. Pressure alone induces only disordering in the structure of zinc polyphosphates, with only minor changes of the chain length in phosphates and does not contribute significantly to the observed structural changes in tribofilms. |
| doi_str_mv | 10.1007/s11249-013-0188-9 |
| format | Article |
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Tribological tests were performed to study the combined effect of pressure and shear stress at two temperatures. Friction tests were carried out in the boundary lubrication regime from dispersions of zinc polyphosphates in base oil. The effects of pressure alone were investigated using a diamond anvil cell in order to separate it from those of shearing. Raman spectroscopy was used to follow in situ or ex situ the structural changes of the zinc polyphosphate powders and the tribo-stressed areas. Tribofilms obtained with both polyphosphates display a partial and full depolymerization of the zinc metaphosphate at ambient and high (120 °C) temperature, respectively. The large stress and strain conditions of the tribological tests are necessary to induce a tribochemical reaction between zinc metaphosphate and iron oxide leading to a depolymerization of the phosphate in the tribofilm. The tribochemical reaction and antiwear tribofilm formation are significantly enhanced by the modest temperature increase from ambient to 120 °C. Pressure alone induces only disordering in the structure of zinc polyphosphates, with only minor changes of the chain length in phosphates and does not contribute significantly to the observed structural changes in tribofilms.</description><identifier>ISSN: 1023-8883</identifier><identifier>EISSN: 1573-2711</identifier><identifier>DOI: 10.1007/s11249-013-0188-9</identifier><language>eng</language><publisher>Boston: Springer US</publisher><subject>Boundary lubrication ; Chemistry and Materials Science ; Corrosion and Coatings ; Depolymerization ; Diamond anvil cells ; Engineering Sciences ; Iron oxides ; Lubrication ; Materials Science ; Nanotechnology ; Original Paper ; Physical Chemistry ; Polyphosphates ; Pressure effects ; Raman spectroscopy ; Shear stress ; Shearing ; Surfaces and Interfaces ; Temperature ; Theoretical and Applied Mechanics ; Thin Films ; Tribology ; Zinc phosphate</subject><ispartof>Tribology letters, 2013-09, Vol.51 (3), p.489-498</ispartof><rights>Springer Science+Business Media New York 2013</rights><rights>Tribology Letters is a copyright of Springer, (2013). All Rights Reserved.</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c416t-754cb0e32c5fcb4eade910919680f14413aa295dfdde82c67849569eef34f783</citedby><cites>FETCH-LOGICAL-c416t-754cb0e32c5fcb4eade910919680f14413aa295dfdde82c67849569eef34f783</cites><orcidid>0000-0001-9938-0282 ; 0000-0002-7555-4193 ; 0000-0002-3873-5470 ; 0000-0002-1210-5745 ; 0000-0002-4782-6163</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11249-013-0188-9$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11249-013-0188-9$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>230,314,780,784,885,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttps://hal.science/hal-02107493$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Berkani, Sophia</creatorcontrib><creatorcontrib>Dassenoy, Fabrice</creatorcontrib><creatorcontrib>Minfray, Clotilde</creatorcontrib><creatorcontrib>Martin, Jean-Michel</creatorcontrib><creatorcontrib>Cardon, Herve</creatorcontrib><creatorcontrib>Montagnac, Gilles</creatorcontrib><creatorcontrib>Reynard, Bruno</creatorcontrib><title>Structural Changes in Tribo-Stressed Zinc Polyphosphates</title><title>Tribology letters</title><addtitle>Tribol Lett</addtitle><description>The influences of pressure, shear stress and temperature on the structure of zinc orthophosphate and zinc metaphosphate was investigated. Tribological tests were performed to study the combined effect of pressure and shear stress at two temperatures. Friction tests were carried out in the boundary lubrication regime from dispersions of zinc polyphosphates in base oil. The effects of pressure alone were investigated using a diamond anvil cell in order to separate it from those of shearing. Raman spectroscopy was used to follow in situ or ex situ the structural changes of the zinc polyphosphate powders and the tribo-stressed areas. Tribofilms obtained with both polyphosphates display a partial and full depolymerization of the zinc metaphosphate at ambient and high (120 °C) temperature, respectively. The large stress and strain conditions of the tribological tests are necessary to induce a tribochemical reaction between zinc metaphosphate and iron oxide leading to a depolymerization of the phosphate in the tribofilm. The tribochemical reaction and antiwear tribofilm formation are significantly enhanced by the modest temperature increase from ambient to 120 °C. Pressure alone induces only disordering in the structure of zinc polyphosphates, with only minor changes of the chain length in phosphates and does not contribute significantly to the observed structural changes in tribofilms.</description><subject>Boundary lubrication</subject><subject>Chemistry and Materials Science</subject><subject>Corrosion and Coatings</subject><subject>Depolymerization</subject><subject>Diamond anvil cells</subject><subject>Engineering Sciences</subject><subject>Iron oxides</subject><subject>Lubrication</subject><subject>Materials Science</subject><subject>Nanotechnology</subject><subject>Original Paper</subject><subject>Physical Chemistry</subject><subject>Polyphosphates</subject><subject>Pressure effects</subject><subject>Raman spectroscopy</subject><subject>Shear stress</subject><subject>Shearing</subject><subject>Surfaces and Interfaces</subject><subject>Temperature</subject><subject>Theoretical and Applied Mechanics</subject><subject>Thin Films</subject><subject>Tribology</subject><subject>Zinc phosphate</subject><issn>1023-8883</issn><issn>1573-2711</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp1kEFLwzAYhoMoOKc_wFvBk4doviRtkuMYugkDBXfyErI0sR21rUkr7N-bUdGTh_CF5HlfPh6EroHcASHiPgJQrjABlo6UWJ2gGeSCYSoATtOdUIallOwcXcS4JySlZD5D8nUIox3GYJpsWZn23cWsbrNtqHcdTn8uRldmb3Vrs5euOfRVF_vKDC5eojNvmuiufuYcbR8ftss13jyvnpaLDbYcigGLnNsdcYza3Nsdd6Z0CogCVUjigXNgxlCVl74snaS2EJKrvFDOeca9kGyObqfayjS6D_WHCQfdmVqvFxt9fCMUiOCKfUFibya2D93n6OKg990Y2rSdplQCo6mdJgomyoYuxuD8by0QfXSpJ5c6udRHl1qlDJ0yMbHJUfhr_j_0DeY2dRQ</recordid><startdate>20130901</startdate><enddate>20130901</enddate><creator>Berkani, Sophia</creator><creator>Dassenoy, Fabrice</creator><creator>Minfray, Clotilde</creator><creator>Martin, Jean-Michel</creator><creator>Cardon, Herve</creator><creator>Montagnac, Gilles</creator><creator>Reynard, Bruno</creator><general>Springer US</general><general>Springer Nature B.V</general><general>Springer Verlag</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0001-9938-0282</orcidid><orcidid>https://orcid.org/0000-0002-7555-4193</orcidid><orcidid>https://orcid.org/0000-0002-3873-5470</orcidid><orcidid>https://orcid.org/0000-0002-1210-5745</orcidid><orcidid>https://orcid.org/0000-0002-4782-6163</orcidid></search><sort><creationdate>20130901</creationdate><title>Structural Changes in Tribo-Stressed Zinc Polyphosphates</title><author>Berkani, Sophia ; Dassenoy, Fabrice ; Minfray, Clotilde ; Martin, Jean-Michel ; Cardon, Herve ; Montagnac, Gilles ; Reynard, Bruno</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c416t-754cb0e32c5fcb4eade910919680f14413aa295dfdde82c67849569eef34f783</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Boundary lubrication</topic><topic>Chemistry and Materials Science</topic><topic>Corrosion and Coatings</topic><topic>Depolymerization</topic><topic>Diamond anvil cells</topic><topic>Engineering Sciences</topic><topic>Iron oxides</topic><topic>Lubrication</topic><topic>Materials Science</topic><topic>Nanotechnology</topic><topic>Original Paper</topic><topic>Physical Chemistry</topic><topic>Polyphosphates</topic><topic>Pressure effects</topic><topic>Raman spectroscopy</topic><topic>Shear stress</topic><topic>Shearing</topic><topic>Surfaces and Interfaces</topic><topic>Temperature</topic><topic>Theoretical and Applied Mechanics</topic><topic>Thin Films</topic><topic>Tribology</topic><topic>Zinc phosphate</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Berkani, Sophia</creatorcontrib><creatorcontrib>Dassenoy, Fabrice</creatorcontrib><creatorcontrib>Minfray, Clotilde</creatorcontrib><creatorcontrib>Martin, Jean-Michel</creatorcontrib><creatorcontrib>Cardon, Herve</creatorcontrib><creatorcontrib>Montagnac, Gilles</creatorcontrib><creatorcontrib>Reynard, Bruno</creatorcontrib><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central</collection><collection>SciTech Premium Collection</collection><collection>https://resources.nclive.org/materials</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Materials science collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering collection</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Tribology letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Berkani, Sophia</au><au>Dassenoy, Fabrice</au><au>Minfray, Clotilde</au><au>Martin, Jean-Michel</au><au>Cardon, Herve</au><au>Montagnac, Gilles</au><au>Reynard, Bruno</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structural Changes in Tribo-Stressed Zinc Polyphosphates</atitle><jtitle>Tribology letters</jtitle><stitle>Tribol Lett</stitle><date>2013-09-01</date><risdate>2013</risdate><volume>51</volume><issue>3</issue><spage>489</spage><epage>498</epage><pages>489-498</pages><issn>1023-8883</issn><eissn>1573-2711</eissn><abstract>The influences of pressure, shear stress and temperature on the structure of zinc orthophosphate and zinc metaphosphate was investigated. Tribological tests were performed to study the combined effect of pressure and shear stress at two temperatures. Friction tests were carried out in the boundary lubrication regime from dispersions of zinc polyphosphates in base oil. The effects of pressure alone were investigated using a diamond anvil cell in order to separate it from those of shearing. Raman spectroscopy was used to follow in situ or ex situ the structural changes of the zinc polyphosphate powders and the tribo-stressed areas. Tribofilms obtained with both polyphosphates display a partial and full depolymerization of the zinc metaphosphate at ambient and high (120 °C) temperature, respectively. The large stress and strain conditions of the tribological tests are necessary to induce a tribochemical reaction between zinc metaphosphate and iron oxide leading to a depolymerization of the phosphate in the tribofilm. The tribochemical reaction and antiwear tribofilm formation are significantly enhanced by the modest temperature increase from ambient to 120 °C. Pressure alone induces only disordering in the structure of zinc polyphosphates, with only minor changes of the chain length in phosphates and does not contribute significantly to the observed structural changes in tribofilms.</abstract><cop>Boston</cop><pub>Springer US</pub><doi>10.1007/s11249-013-0188-9</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0001-9938-0282</orcidid><orcidid>https://orcid.org/0000-0002-7555-4193</orcidid><orcidid>https://orcid.org/0000-0002-3873-5470</orcidid><orcidid>https://orcid.org/0000-0002-1210-5745</orcidid><orcidid>https://orcid.org/0000-0002-4782-6163</orcidid></addata></record> |
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| ispartof | Tribology letters, 2013-09, Vol.51 (3), p.489-498 |
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| subjects | Boundary lubrication Chemistry and Materials Science Corrosion and Coatings Depolymerization Diamond anvil cells Engineering Sciences Iron oxides Lubrication Materials Science Nanotechnology Original Paper Physical Chemistry Polyphosphates Pressure effects Raman spectroscopy Shear stress Shearing Surfaces and Interfaces Temperature Theoretical and Applied Mechanics Thin Films Tribology Zinc phosphate |
| title | Structural Changes in Tribo-Stressed Zinc Polyphosphates |
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