Effects of Automotive Test Parameters on Dry Friction Fiber-Reinforced Clutch Facing Surface Microgeometry and Wear-Part 3 Tribological Parameter Correlations and Simulation of Thermo-Mechanical Tribological Contact Behavior
Correlations among previously determined tribological properties, such as the coefficient of friction values, wear and surface roughness differences of hybrid composite dry friction clutch facings are revealed after pin-on-disk test apparatus examinations under three loads, where samples are cut fro...
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| Veröffentlicht in: | Polymers 2023-03, Vol.15 (5), p.1255 |
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| creator | Kalácska, Gábor Biczó, Roland |
| description | Correlations among previously determined tribological properties, such as the coefficient of friction values, wear and surface roughness differences of hybrid composite dry friction clutch facings are revealed after pin-on-disk test apparatus examinations under three
loads, where samples are cut from a reference, unused, and several differently aged and dimensioned, used-according to two different trends: dry friction fiber-reinforced hybrid composite clutch facings. In 'normal use' facings, increasing specific wear trend is detected as a function of activation energy according to a second-degree function, while a logarithmic trend line can be fitted to the values of the clutch killer facings, showing that even at low activation energy levels, significant (~3%) wear occurs. The specific wear rate also varies as a function of the radius of the friction facing, with the relative wear values measured on the working friction diameter being higher regardless of the usage trend. In terms of surface roughness variation measured in the radial direction, normal use facings show a varying roughness difference according to a third-degree function, while clutch killer facings follow a second-degree or logarithmic trend depending on the diameter (di or dw). From the statistical analysis of the steady-state, we find three different clutch engagement phase characterizing
level pin-on-disk tribological test results for the specific wear of the clutch killer and normal use facings, and significantly different trend curves with three different sets of functions were obtained, showing that the wear intensity can be described as a function of the
value and the friction diameter. In terms of radial direction surface roughness difference, the values of clutch killer and normal use samples can be described by three different sets of function showing the effects of the friction radius and
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| doi_str_mv | 10.3390/polym15051255 |
| format | Article |
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loads, where samples are cut from a reference, unused, and several differently aged and dimensioned, used-according to two different trends: dry friction fiber-reinforced hybrid composite clutch facings. In 'normal use' facings, increasing specific wear trend is detected as a function of activation energy according to a second-degree function, while a logarithmic trend line can be fitted to the values of the clutch killer facings, showing that even at low activation energy levels, significant (~3%) wear occurs. The specific wear rate also varies as a function of the radius of the friction facing, with the relative wear values measured on the working friction diameter being higher regardless of the usage trend. In terms of surface roughness variation measured in the radial direction, normal use facings show a varying roughness difference according to a third-degree function, while clutch killer facings follow a second-degree or logarithmic trend depending on the diameter (di or dw). From the statistical analysis of the steady-state, we find three different clutch engagement phase characterizing
level pin-on-disk tribological test results for the specific wear of the clutch killer and normal use facings, and significantly different trend curves with three different sets of functions were obtained, showing that the wear intensity can be described as a function of the
value and the friction diameter. In terms of radial direction surface roughness difference, the values of clutch killer and normal use samples can be described by three different sets of function showing the effects of the friction radius and
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loads, where samples are cut from a reference, unused, and several differently aged and dimensioned, used-according to two different trends: dry friction fiber-reinforced hybrid composite clutch facings. In 'normal use' facings, increasing specific wear trend is detected as a function of activation energy according to a second-degree function, while a logarithmic trend line can be fitted to the values of the clutch killer facings, showing that even at low activation energy levels, significant (~3%) wear occurs. The specific wear rate also varies as a function of the radius of the friction facing, with the relative wear values measured on the working friction diameter being higher regardless of the usage trend. In terms of surface roughness variation measured in the radial direction, normal use facings show a varying roughness difference according to a third-degree function, while clutch killer facings follow a second-degree or logarithmic trend depending on the diameter (di or dw). From the statistical analysis of the steady-state, we find three different clutch engagement phase characterizing
level pin-on-disk tribological test results for the specific wear of the clutch killer and normal use facings, and significantly different trend curves with three different sets of functions were obtained, showing that the wear intensity can be described as a function of the
value and the friction diameter. In terms of radial direction surface roughness difference, the values of clutch killer and normal use samples can be described by three different sets of function showing the effects of the friction radius and
.</description><subject>Activation energy</subject><subject>Analysis</subject><subject>Clutches</subject><subject>Clutches (Machinery)</subject><subject>Coefficient of friction</subject><subject>Diameters</subject><subject>Dry friction</subject><subject>Energy</subject><subject>Energy levels</subject><subject>Facings</subject><subject>Fiber composites</subject><subject>Fibers</subject><subject>Friction</subject><subject>Hybrid composites</subject><subject>Logarithms</subject><subject>Mechanical properties</subject><subject>Parameters</subject><subject>Permeability</subject><subject>Pin on disk tests</subject><subject>Simulation</subject><subject>Statistical analysis</subject><subject>Surface roughness</subject><subject>Topography</subject><subject>Tribology</subject><subject>Wear rate</subject><issn>2073-4360</issn><issn>2073-4360</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdUl1v0zAUjRCITWOPvCJLvPCSYcdf6RMqZQWkTSBWxGN049y0nhK7c5xK_bf8FJx1jBX7wb72Oed-ZtlrRi84n9H3W9_teyapZIWUz7LTgmqeC67o8yf3k-x8GG5pWkIqxfTL7ISrGRVipk6z35dtiyYOxLdkPkbf-2h3SFY4RPIdAvQYMaRfRz6FPVkGa6JNxtLWGPIfaF3rg8GGLLoxmg1ZgrFuTW7G0IJBcm1N8Gv0SSWxwTXkF0LIk3AknKyCrX3n19ZA988ZWfgQsIPJz3DPubH9eLCnKFcbDL3Pr9FswN1Tj3QW3kUwkXzEDeysD6-yFy10A54_nGfZz-XlavElv_r2-etifpUbwVjMG6mMrpUppSpnpZIKJHBWaMlnAKmKBUpamLYEoajSQmloVN0Kmkrf1MA1P8s-HHS3Y91jY9DFAF21DbaHsK882Or4x9lNtfa7iqXGaMlkUnj3oBD83ZgaUPV2MNh14NCPQ1XoUjEqVTE5e_sf9NaPwaX8JpQsGKeMJdTFAbWGDqupVcmxSbvB3hrvsLXpfa4FK4VgukiE_EBIXRuGgO1j-IxW08BVRwOX8G-e5vyI_jte_A82tdW3</recordid><startdate>20230301</startdate><enddate>20230301</enddate><creator>Kalácska, Gábor</creator><creator>Biczó, Roland</creator><general>MDPI AG</general><general>MDPI</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-7144-9775</orcidid><orcidid>https://orcid.org/0000-0003-2280-0407</orcidid></search><sort><creationdate>20230301</creationdate><title>Effects of Automotive Test Parameters on Dry Friction Fiber-Reinforced Clutch Facing Surface Microgeometry and Wear-Part 3 Tribological Parameter Correlations and Simulation of Thermo-Mechanical Tribological Contact Behavior</title><author>Kalácska, Gábor ; Biczó, Roland</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c411t-d56c7b6c856898656a5a3127539aa4362e502cf8a46067467ad6bf40051dba373</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Activation energy</topic><topic>Analysis</topic><topic>Clutches</topic><topic>Clutches (Machinery)</topic><topic>Coefficient of friction</topic><topic>Diameters</topic><topic>Dry friction</topic><topic>Energy</topic><topic>Energy levels</topic><topic>Facings</topic><topic>Fiber composites</topic><topic>Fibers</topic><topic>Friction</topic><topic>Hybrid composites</topic><topic>Logarithms</topic><topic>Mechanical properties</topic><topic>Parameters</topic><topic>Permeability</topic><topic>Pin on disk tests</topic><topic>Simulation</topic><topic>Statistical analysis</topic><topic>Surface roughness</topic><topic>Topography</topic><topic>Tribology</topic><topic>Wear rate</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kalácska, Gábor</creatorcontrib><creatorcontrib>Biczó, Roland</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</collection><collection>Access via ProQuest (Open Access)</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>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Polymers</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kalácska, Gábor</au><au>Biczó, Roland</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of Automotive Test Parameters on Dry Friction Fiber-Reinforced Clutch Facing Surface Microgeometry and Wear-Part 3 Tribological Parameter Correlations and Simulation of Thermo-Mechanical Tribological Contact Behavior</atitle><jtitle>Polymers</jtitle><addtitle>Polymers (Basel)</addtitle><date>2023-03-01</date><risdate>2023</risdate><volume>15</volume><issue>5</issue><spage>1255</spage><pages>1255-</pages><issn>2073-4360</issn><eissn>2073-4360</eissn><abstract>Correlations among previously determined tribological properties, such as the coefficient of friction values, wear and surface roughness differences of hybrid composite dry friction clutch facings are revealed after pin-on-disk test apparatus examinations under three
loads, where samples are cut from a reference, unused, and several differently aged and dimensioned, used-according to two different trends: dry friction fiber-reinforced hybrid composite clutch facings. In 'normal use' facings, increasing specific wear trend is detected as a function of activation energy according to a second-degree function, while a logarithmic trend line can be fitted to the values of the clutch killer facings, showing that even at low activation energy levels, significant (~3%) wear occurs. The specific wear rate also varies as a function of the radius of the friction facing, with the relative wear values measured on the working friction diameter being higher regardless of the usage trend. In terms of surface roughness variation measured in the radial direction, normal use facings show a varying roughness difference according to a third-degree function, while clutch killer facings follow a second-degree or logarithmic trend depending on the diameter (di or dw). From the statistical analysis of the steady-state, we find three different clutch engagement phase characterizing
level pin-on-disk tribological test results for the specific wear of the clutch killer and normal use facings, and significantly different trend curves with three different sets of functions were obtained, showing that the wear intensity can be described as a function of the
value and the friction diameter. In terms of radial direction surface roughness difference, the values of clutch killer and normal use samples can be described by three different sets of function showing the effects of the friction radius and
.</abstract><cop>Switzerland</cop><pub>MDPI AG</pub><pmid>36904496</pmid><doi>10.3390/polym15051255</doi><orcidid>https://orcid.org/0000-0002-7144-9775</orcidid><orcidid>https://orcid.org/0000-0003-2280-0407</orcidid><oa>free_for_read</oa></addata></record> |
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| source | PubMed Central Open Access; MDPI - Multidisciplinary Digital Publishing Institute; EZB-FREE-00999 freely available EZB journals; PubMed Central |
| subjects | Activation energy Analysis Clutches Clutches (Machinery) Coefficient of friction Diameters Dry friction Energy Energy levels Facings Fiber composites Fibers Friction Hybrid composites Logarithms Mechanical properties Parameters Permeability Pin on disk tests Simulation Statistical analysis Surface roughness Topography Tribology Wear rate |
| title | Effects of Automotive Test Parameters on Dry Friction Fiber-Reinforced Clutch Facing Surface Microgeometry and Wear-Part 3 Tribological Parameter Correlations and Simulation of Thermo-Mechanical Tribological Contact Behavior |
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