Microstructure and Thermal Expansion of Hybrid - Copper Alloy Composites Reinforced with both Tungsten and Carbon Fibres
Tungsten as refractory material and high thermal conductive carbon fibres are promising candidates for production of copper matrix composites for high temperature applications. Three types of rod-like samples were prepared by gas pressure infiltration of different carbon/tungsten fibre preforms with...
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Veröffentlicht in: | Materials science forum 2014-04, Vol.782, p.513-518 |
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description | Tungsten as refractory material and high thermal conductive carbon fibres are promising candidates for production of copper matrix composites for high temperature applications. Three types of rod-like samples were prepared by gas pressure infiltration of different carbon/tungsten fibre preforms with copper and/or copper alloy (Cu-0.5Cr) respectively. The fibres are aligned parallel to rod axis and were combined with the tungsten wire cloth. The microstructure of prepared hybrid composites was examined. The samples were thermally cycled 3 times up to 550 °C at a relatively high heating/cooling rate (10 K/min) to touch real condition in applications where high heat is formed during short time. The thermal expansion behaviour in radial direction was also analysed. Results show that a combination of both types of reinforcements in rod-shapes samples insures good protection against composite disintegration during high temperature thermal loading. |
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Three types of rod-like samples were prepared by gas pressure infiltration of different carbon/tungsten fibre preforms with copper and/or copper alloy (Cu-0.5Cr) respectively. The fibres are aligned parallel to rod axis and were combined with the tungsten wire cloth. The microstructure of prepared hybrid composites was examined. The samples were thermally cycled 3 times up to 550 °C at a relatively high heating/cooling rate (10 K/min) to touch real condition in applications where high heat is formed during short time. The thermal expansion behaviour in radial direction was also analysed. 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Results show that a combination of both types of reinforcements in rod-shapes samples insures good protection against composite disintegration during high temperature thermal loading.</description><subject>Carbon</subject><subject>Carbon fibers</subject><subject>Carbon fibres</subject><subject>COMPOSITES</subject><subject>Copper</subject><subject>COPPER ALLOYS (40 TO 99.3 CU)</subject><subject>Copper base alloys</subject><subject>ELECTRICAL CONDUCTIVITY</subject><subject>FIBERS</subject><subject>Heating</subject><subject>MICROSTRUCTURES</subject><subject>REINFORCEMENT</subject><subject>Thermal expansion</subject><subject>THERMAL EXPANSION COEFFICIENT</subject><subject>Tungsten</subject><issn>0255-5476</issn><issn>1662-9752</issn><issn>1662-9752</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqN0M9r2zAUwHFRNmjW9X_QaexiVz8s2b6MhpCsg5TBmp6FLD83Co7kSjJp_vupy2DXXfQQPL7wPgh9oaSsCGvuTqdTGY0Fl-xgTekg3T0-bcq6YaWg_AotqJSsaGvBPqAFYUIUoqrlNfoU44EQThsqF-jt0ZrgYwqzSXMArF2Pd3sIRz3i9dukXbTeYT_gh3MXbI8LvPLTBAEvx9Gf8-c4-WgTRPwLrBt8MNDjk0173Pn87Gb3EhO4P92VDl2ObWwXIH5GHwc9Rrj9O2_Q82a9Wz0U25_ff6yW28JwSVMx8LZpCekkb03TME1rLSjjNdOdYJzopuVSGEkZFV0FrCdD31NS0aojNSe94Dfo66U7Bf86Q0zqaKOBcdQO_BwVlYJWtOWtzKvfLqvvIjHAoKZgjzqcFSXqnVxlcvWPXGVylclVJleZPAfuL4EUMlwCs1cHPweX7_vfxG8ErpNy</recordid><startdate>20140401</startdate><enddate>20140401</enddate><creator>Korab, Juraj</creator><creator>Kavecky, Stefan</creator><creator>Stefanik, Pavol</creator><creator>Izdinsky, Karol</creator><creator>Simancik, Frantisek</creator><creator>Dvorak, Tomas</creator><general>Trans Tech Publications Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>H8G</scope><scope>JG9</scope></search><sort><creationdate>20140401</creationdate><title>Microstructure and Thermal Expansion of Hybrid - Copper Alloy Composites Reinforced with both Tungsten and Carbon Fibres</title><author>Korab, Juraj ; Kavecky, Stefan ; Stefanik, Pavol ; Izdinsky, Karol ; Simancik, Frantisek ; Dvorak, Tomas</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c361t-f398900b639c882a17a512372ab5230a89365c61215b4e2d0fdd10414b0730d53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Carbon</topic><topic>Carbon fibers</topic><topic>Carbon fibres</topic><topic>COMPOSITES</topic><topic>Copper</topic><topic>COPPER ALLOYS (40 TO 99.3 CU)</topic><topic>Copper base alloys</topic><topic>ELECTRICAL CONDUCTIVITY</topic><topic>FIBERS</topic><topic>Heating</topic><topic>MICROSTRUCTURES</topic><topic>REINFORCEMENT</topic><topic>Thermal expansion</topic><topic>THERMAL EXPANSION COEFFICIENT</topic><topic>Tungsten</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Korab, Juraj</creatorcontrib><creatorcontrib>Kavecky, Stefan</creatorcontrib><creatorcontrib>Stefanik, Pavol</creatorcontrib><creatorcontrib>Izdinsky, Karol</creatorcontrib><creatorcontrib>Simancik, Frantisek</creatorcontrib><creatorcontrib>Dvorak, Tomas</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><jtitle>Materials science forum</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Korab, Juraj</au><au>Kavecky, Stefan</au><au>Stefanik, Pavol</au><au>Izdinsky, Karol</au><au>Simancik, Frantisek</au><au>Dvorak, Tomas</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microstructure and Thermal Expansion of Hybrid - Copper Alloy Composites Reinforced with both Tungsten and Carbon Fibres</atitle><jtitle>Materials science forum</jtitle><date>2014-04-01</date><risdate>2014</risdate><volume>782</volume><spage>513</spage><epage>518</epage><pages>513-518</pages><issn>0255-5476</issn><issn>1662-9752</issn><eissn>1662-9752</eissn><abstract>Tungsten as refractory material and high thermal conductive carbon fibres are promising candidates for production of copper matrix composites for high temperature applications. Three types of rod-like samples were prepared by gas pressure infiltration of different carbon/tungsten fibre preforms with copper and/or copper alloy (Cu-0.5Cr) respectively. The fibres are aligned parallel to rod axis and were combined with the tungsten wire cloth. The microstructure of prepared hybrid composites was examined. The samples were thermally cycled 3 times up to 550 °C at a relatively high heating/cooling rate (10 K/min) to touch real condition in applications where high heat is formed during short time. The thermal expansion behaviour in radial direction was also analysed. Results show that a combination of both types of reinforcements in rod-shapes samples insures good protection against composite disintegration during high temperature thermal loading.</abstract><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/MSF.782.513</doi><tpages>6</tpages></addata></record> |
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subjects | Carbon Carbon fibers Carbon fibres COMPOSITES Copper COPPER ALLOYS (40 TO 99.3 CU) Copper base alloys ELECTRICAL CONDUCTIVITY FIBERS Heating MICROSTRUCTURES REINFORCEMENT Thermal expansion THERMAL EXPANSION COEFFICIENT Tungsten |
title | Microstructure and Thermal Expansion of Hybrid - Copper Alloy Composites Reinforced with both Tungsten and Carbon Fibres |
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