Wear behaviour of interpenetrating alumina–copper composites
► Increasing copper fraction increased the wear rate, except where a tribolayer formed or where the alumina grains were weakly bonded. ► Increasing the copper ligament diameter decreased the wear rate. ► The grain size of alumina affected the wear behaviour. ► Composites with the coarsest copper net...
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| Veröffentlicht in: | Wear 2011-09, Vol.271 (11), p.2845-2851 |
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| creator | Winzer, Jami Weiler, Ludwig Pouquet, Jeanne Rödel, Jürgen |
| description | ► Increasing copper fraction increased the wear rate, except where a tribolayer formed or where the alumina grains were weakly bonded. ► Increasing the copper ligament diameter decreased the wear rate. ► The grain size of alumina affected the wear behaviour. ► Composites with the coarsest copper network had the highest wear resistance, probably due to the higher heat conductivity and fracture toughness.
The wear behaviour of a variety of alumina–copper interpenetrating composites was tested as a function of copper ligament diameter and volume fraction of copper. The wear mechanisms of pure copper and pure alumina were adhesive and abrasive wear, respectively. In the composites with 1
μm, 5
μm and 15
μm copper ligament diameters, the wear mechanism was a mixture of adhesive and oxidative; in composites with a 30
μm copper ligament diameter a mixture of abrasive and oxidative. Increasing the amount of copper decreased hardness and thus increased wear, except where cyclic tribolayer behaviour occurred or where the alumina grains were weakly bonded. Increasing the copper ligament diameter decreased wear, although this trend was only clear under a load of 20
N. The composites with the highest wear resistance had the highest copper ligament diameter of 30
μm. This was probably due to the higher heat conductivity and fracture toughness caused by the coarse, fibrous copper network replicating the wool felt used to produce it. This was possibly also because these composites had the smallest alumina grain size. |
| doi_str_mv | 10.1016/j.wear.2011.05.042 |
| format | Article |
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The wear behaviour of a variety of alumina–copper interpenetrating composites was tested as a function of copper ligament diameter and volume fraction of copper. The wear mechanisms of pure copper and pure alumina were adhesive and abrasive wear, respectively. In the composites with 1
μm, 5
μm and 15
μm copper ligament diameters, the wear mechanism was a mixture of adhesive and oxidative; in composites with a 30
μm copper ligament diameter a mixture of abrasive and oxidative. Increasing the amount of copper decreased hardness and thus increased wear, except where cyclic tribolayer behaviour occurred or where the alumina grains were weakly bonded. Increasing the copper ligament diameter decreased wear, although this trend was only clear under a load of 20
N. The composites with the highest wear resistance had the highest copper ligament diameter of 30
μm. This was probably due to the higher heat conductivity and fracture toughness caused by the coarse, fibrous copper network replicating the wool felt used to produce it. This was possibly also because these composites had the smallest alumina grain size.</description><identifier>ISSN: 0043-1648</identifier><identifier>EISSN: 1873-2577</identifier><identifier>DOI: 10.1016/j.wear.2011.05.042</identifier><identifier>CODEN: WEARAH</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Abrasive wear ; Adhesive wear ; ALUMINUM OXIDE ; Applied sciences ; COMPOSITES ; Copper ; COPPER (PURE) ; ELECTRICAL CONDUCTIVITY ; Exact sciences and technology ; Friction, wear, lubrication ; HARDNESS ; Interpenetrating composites ; Ligaments ; Machine components ; Mechanical engineering. Machine design ; Metal-reinforcement ; PENETRATION ; Sliding wear ; THERMAL CONDUCTIVITY ; Wear ; WEAR MECHANISMS</subject><ispartof>Wear, 2011-09, Vol.271 (11), p.2845-2851</ispartof><rights>2011 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c362t-ef70568ce2422a9ebd2ac7847bbd2640d84dcd80b4ce19de2bbf5e35aa0831503</citedby><cites>FETCH-LOGICAL-c362t-ef70568ce2422a9ebd2ac7847bbd2640d84dcd80b4ce19de2bbf5e35aa0831503</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.wear.2011.05.042$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=24454101$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Winzer, Jami</creatorcontrib><creatorcontrib>Weiler, Ludwig</creatorcontrib><creatorcontrib>Pouquet, Jeanne</creatorcontrib><creatorcontrib>Rödel, Jürgen</creatorcontrib><title>Wear behaviour of interpenetrating alumina–copper composites</title><title>Wear</title><description>► Increasing copper fraction increased the wear rate, except where a tribolayer formed or where the alumina grains were weakly bonded. ► Increasing the copper ligament diameter decreased the wear rate. ► The grain size of alumina affected the wear behaviour. ► Composites with the coarsest copper network had the highest wear resistance, probably due to the higher heat conductivity and fracture toughness.
The wear behaviour of a variety of alumina–copper interpenetrating composites was tested as a function of copper ligament diameter and volume fraction of copper. The wear mechanisms of pure copper and pure alumina were adhesive and abrasive wear, respectively. In the composites with 1
μm, 5
μm and 15
μm copper ligament diameters, the wear mechanism was a mixture of adhesive and oxidative; in composites with a 30
μm copper ligament diameter a mixture of abrasive and oxidative. Increasing the amount of copper decreased hardness and thus increased wear, except where cyclic tribolayer behaviour occurred or where the alumina grains were weakly bonded. Increasing the copper ligament diameter decreased wear, although this trend was only clear under a load of 20
N. The composites with the highest wear resistance had the highest copper ligament diameter of 30
μm. This was probably due to the higher heat conductivity and fracture toughness caused by the coarse, fibrous copper network replicating the wool felt used to produce it. This was possibly also because these composites had the smallest alumina grain size.</description><subject>Abrasive wear</subject><subject>Adhesive wear</subject><subject>ALUMINUM OXIDE</subject><subject>Applied sciences</subject><subject>COMPOSITES</subject><subject>Copper</subject><subject>COPPER (PURE)</subject><subject>ELECTRICAL CONDUCTIVITY</subject><subject>Exact sciences and technology</subject><subject>Friction, wear, lubrication</subject><subject>HARDNESS</subject><subject>Interpenetrating composites</subject><subject>Ligaments</subject><subject>Machine components</subject><subject>Mechanical engineering. Machine design</subject><subject>Metal-reinforcement</subject><subject>PENETRATION</subject><subject>Sliding wear</subject><subject>THERMAL CONDUCTIVITY</subject><subject>Wear</subject><subject>WEAR MECHANISMS</subject><issn>0043-1648</issn><issn>1873-2577</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kMtKxDAUhoMoOI6-gKtuxFXrSZr0AiLI4A0G3CguQ5qeaoa2qUk74s538A19EjPM4NLVOYvv-w_nJ-SUQkKBZher5AOVSxhQmoBIgLM9MqNFnsZM5Pk-mQHwNKYZLw7JkfcrAKClyGbk6iV4UYVvam3s5CLbRKYf0Q3Y4-jUaPrXSLVTZ3r18_Wt7TCgi7TtBuvNiP6YHDSq9Xiym3PyfHvztLiPl493D4vrZazTjI0xNjmIrNDIOGOqxKpmSucFz6uwZRzqgte6LqDiGmlZI6uqRmAqlIIipQLSOTnf5g7Ovk_oR9kZr7FtVY928rKkZcnyNKWBZFtSO-u9w0YOznTKfUoKctOVXMlNV3LTlQQhQ1dBOtvFK69V2zjVa-P_TMa54MEN3OWWw_Dr2qCTXhvsNdbGoR5lbc1_Z34BIr-BhQ</recordid><startdate>20110902</startdate><enddate>20110902</enddate><creator>Winzer, Jami</creator><creator>Weiler, Ludwig</creator><creator>Pouquet, Jeanne</creator><creator>Rödel, Jürgen</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>H8G</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20110902</creationdate><title>Wear behaviour of interpenetrating alumina–copper composites</title><author>Winzer, Jami ; Weiler, Ludwig ; Pouquet, Jeanne ; Rödel, Jürgen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c362t-ef70568ce2422a9ebd2ac7847bbd2640d84dcd80b4ce19de2bbf5e35aa0831503</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Abrasive wear</topic><topic>Adhesive wear</topic><topic>ALUMINUM OXIDE</topic><topic>Applied sciences</topic><topic>COMPOSITES</topic><topic>Copper</topic><topic>COPPER (PURE)</topic><topic>ELECTRICAL CONDUCTIVITY</topic><topic>Exact sciences and technology</topic><topic>Friction, wear, lubrication</topic><topic>HARDNESS</topic><topic>Interpenetrating composites</topic><topic>Ligaments</topic><topic>Machine components</topic><topic>Mechanical engineering. Machine design</topic><topic>Metal-reinforcement</topic><topic>PENETRATION</topic><topic>Sliding wear</topic><topic>THERMAL CONDUCTIVITY</topic><topic>Wear</topic><topic>WEAR MECHANISMS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Winzer, Jami</creatorcontrib><creatorcontrib>Weiler, Ludwig</creatorcontrib><creatorcontrib>Pouquet, Jeanne</creatorcontrib><creatorcontrib>Rödel, Jürgen</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ceramic Abstracts</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>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Wear</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Winzer, Jami</au><au>Weiler, Ludwig</au><au>Pouquet, Jeanne</au><au>Rödel, Jürgen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Wear behaviour of interpenetrating alumina–copper composites</atitle><jtitle>Wear</jtitle><date>2011-09-02</date><risdate>2011</risdate><volume>271</volume><issue>11</issue><spage>2845</spage><epage>2851</epage><pages>2845-2851</pages><issn>0043-1648</issn><eissn>1873-2577</eissn><coden>WEARAH</coden><abstract>► Increasing copper fraction increased the wear rate, except where a tribolayer formed or where the alumina grains were weakly bonded. ► Increasing the copper ligament diameter decreased the wear rate. ► The grain size of alumina affected the wear behaviour. ► Composites with the coarsest copper network had the highest wear resistance, probably due to the higher heat conductivity and fracture toughness.
The wear behaviour of a variety of alumina–copper interpenetrating composites was tested as a function of copper ligament diameter and volume fraction of copper. The wear mechanisms of pure copper and pure alumina were adhesive and abrasive wear, respectively. In the composites with 1
μm, 5
μm and 15
μm copper ligament diameters, the wear mechanism was a mixture of adhesive and oxidative; in composites with a 30
μm copper ligament diameter a mixture of abrasive and oxidative. Increasing the amount of copper decreased hardness and thus increased wear, except where cyclic tribolayer behaviour occurred or where the alumina grains were weakly bonded. Increasing the copper ligament diameter decreased wear, although this trend was only clear under a load of 20
N. The composites with the highest wear resistance had the highest copper ligament diameter of 30
μm. This was probably due to the higher heat conductivity and fracture toughness caused by the coarse, fibrous copper network replicating the wool felt used to produce it. This was possibly also because these composites had the smallest alumina grain size.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.wear.2011.05.042</doi><tpages>7</tpages></addata></record> |
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| subjects | Abrasive wear Adhesive wear ALUMINUM OXIDE Applied sciences COMPOSITES Copper COPPER (PURE) ELECTRICAL CONDUCTIVITY Exact sciences and technology Friction, wear, lubrication HARDNESS Interpenetrating composites Ligaments Machine components Mechanical engineering. Machine design Metal-reinforcement PENETRATION Sliding wear THERMAL CONDUCTIVITY Wear WEAR MECHANISMS |
| title | Wear behaviour of interpenetrating alumina–copper composites |
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