Characterization investigations during mechanical alloying and sintering of W–20 vol% SiC composites
The effect of mechanical alloying and the sintering regime on the microstructural and the physical properties of W–SiC composites were investigated. Powder mixtures of W–20 vol.% SiC were mechanically alloyed (MA’d) using a Spex mill for 3 h, 6 h and 24 h. MA’d powders were characterized by Laser Di...
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Veröffentlicht in: | Journal of alloys and compounds 2010-03, Vol.492 (1), p.576-584 |
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creator | COSKUN, Selim ÖVECOGLU, M. Lütfi ÖZKAL, Burak TANOGLU, Metin |
description | The effect of mechanical alloying and the sintering regime on the microstructural and the physical properties of W–SiC composites were investigated. Powder mixtures of W–20
vol.% SiC were mechanically alloyed (MA’d) using a Spex mill for 3
h, 6
h and 24
h. MA’d powders were characterized by Laser Diffraction Particle Size Analyzer, SEM and XRD investigations. MA’d W–20
vol.% SiC powder composites were sintered under inert Ar and reducing H
2 gas conditions at 1680
°C and 1770
°C for 1
h. The microstructural and mechanical characterizations of the sintered samples were carried out by scanning electron microscope (SEM) and X-ray diffraction (XRD) and Vickers Hardness analyses. The addition of SiC remarkably increases the hardness of the composites. Hardness is also increased with decreasing grain size and increasing amount of MA. |
doi_str_mv | 10.1016/j.jallcom.2009.11.185 |
format | Article |
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vol.% SiC were mechanically alloyed (MA’d) using a Spex mill for 3
h, 6
h and 24
h. MA’d powders were characterized by Laser Diffraction Particle Size Analyzer, SEM and XRD investigations. MA’d W–20
vol.% SiC powder composites were sintered under inert Ar and reducing H
2 gas conditions at 1680
°C and 1770
°C for 1
h. The microstructural and mechanical characterizations of the sintered samples were carried out by scanning electron microscope (SEM) and X-ray diffraction (XRD) and Vickers Hardness analyses. The addition of SiC remarkably increases the hardness of the composites. Hardness is also increased with decreasing grain size and increasing amount of MA.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2009.11.185</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>Applied sciences ; Composite materials ; Diffraction ; Dispersion hardening metals ; Exact sciences and technology ; Hardness ; Mechanical alloying ; Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology ; Metals. Metallurgy ; Microstructure ; Powder metallurgy. Composite materials ; Production techniques ; Scanning electron microscopy ; Silicon carbide ; Sintering ; Sintering (powder metallurgy) ; Solid-state sintering ; Tungsten</subject><ispartof>Journal of alloys and compounds, 2010-03, Vol.492 (1), p.576-584</ispartof><rights>2009 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c484t-910e62b03b50caad848248d7e0a35d4416b3f8a9b1acf21bc43fae2e5ddd2a9e3</citedby><cites>FETCH-LOGICAL-c484t-910e62b03b50caad848248d7e0a35d4416b3f8a9b1acf21bc43fae2e5ddd2a9e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jallcom.2009.11.185$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22519223$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>COSKUN, Selim</creatorcontrib><creatorcontrib>ÖVECOGLU, M. Lütfi</creatorcontrib><creatorcontrib>ÖZKAL, Burak</creatorcontrib><creatorcontrib>TANOGLU, Metin</creatorcontrib><title>Characterization investigations during mechanical alloying and sintering of W–20 vol% SiC composites</title><title>Journal of alloys and compounds</title><description>The effect of mechanical alloying and the sintering regime on the microstructural and the physical properties of W–SiC composites were investigated. Powder mixtures of W–20
vol.% SiC were mechanically alloyed (MA’d) using a Spex mill for 3
h, 6
h and 24
h. MA’d powders were characterized by Laser Diffraction Particle Size Analyzer, SEM and XRD investigations. MA’d W–20
vol.% SiC powder composites were sintered under inert Ar and reducing H
2 gas conditions at 1680
°C and 1770
°C for 1
h. The microstructural and mechanical characterizations of the sintered samples were carried out by scanning electron microscope (SEM) and X-ray diffraction (XRD) and Vickers Hardness analyses. The addition of SiC remarkably increases the hardness of the composites. Hardness is also increased with decreasing grain size and increasing amount of MA.</description><subject>Applied sciences</subject><subject>Composite materials</subject><subject>Diffraction</subject><subject>Dispersion hardening metals</subject><subject>Exact sciences and technology</subject><subject>Hardness</subject><subject>Mechanical alloying</subject><subject>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</subject><subject>Metals. Metallurgy</subject><subject>Microstructure</subject><subject>Powder metallurgy. Composite materials</subject><subject>Production techniques</subject><subject>Scanning electron microscopy</subject><subject>Silicon carbide</subject><subject>Sintering</subject><subject>Sintering (powder metallurgy)</subject><subject>Solid-state sintering</subject><subject>Tungsten</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqFkMGKFDEQhoMoOK4-gtCXxVO3qaTTk5xEBleFBQ8qHkN1Ur2boScZk56B9eQ7-IY-iRln8OqpqOL_66_6GHsJvAMOw-ttt8V5dmnXCc5NB9CBVo_YCvRatv0wmMdsxY1QrZZaP2XPStlyzsFIWLFpc48Z3UI5_MAlpNiEeKSyhLu_XWn8IYd41-zI3WMMDuemZqWH0wyjb0qIJ2_t0tR8-_3zl-DNMc3XzeewaepJ-1TCQuU5ezLhXOjFpV6xrzfvvmw-tLef3n_cvL1tXa_7pTXAaRAjl6PiDtHrXote-zVxlMr3PQyjnDSaEdBNAkbXywlJkPLeCzQkr9ir8959Tt8P9Q-7C8XRPGOkdCh2reRaKuCmKtVZ6XIqJdNk9znsMD9Y4PaE1W7tBas9YbUAtmKtvutLApZKY8oYXSj_zEIoMELIqntz1lF99xgo2-ICRUc-ZHKL9Sn8J-kPwlyThg</recordid><startdate>20100304</startdate><enddate>20100304</enddate><creator>COSKUN, Selim</creator><creator>ÖVECOGLU, M. Lütfi</creator><creator>ÖZKAL, Burak</creator><creator>TANOGLU, Metin</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20100304</creationdate><title>Characterization investigations during mechanical alloying and sintering of W–20 vol% SiC composites</title><author>COSKUN, Selim ; ÖVECOGLU, M. Lütfi ; ÖZKAL, Burak ; TANOGLU, Metin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c484t-910e62b03b50caad848248d7e0a35d4416b3f8a9b1acf21bc43fae2e5ddd2a9e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Applied sciences</topic><topic>Composite materials</topic><topic>Diffraction</topic><topic>Dispersion hardening metals</topic><topic>Exact sciences and technology</topic><topic>Hardness</topic><topic>Mechanical alloying</topic><topic>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</topic><topic>Metals. Metallurgy</topic><topic>Microstructure</topic><topic>Powder metallurgy. Composite materials</topic><topic>Production techniques</topic><topic>Scanning electron microscopy</topic><topic>Silicon carbide</topic><topic>Sintering</topic><topic>Sintering (powder metallurgy)</topic><topic>Solid-state sintering</topic><topic>Tungsten</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>COSKUN, Selim</creatorcontrib><creatorcontrib>ÖVECOGLU, M. Lütfi</creatorcontrib><creatorcontrib>ÖZKAL, Burak</creatorcontrib><creatorcontrib>TANOGLU, Metin</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>COSKUN, Selim</au><au>ÖVECOGLU, M. Lütfi</au><au>ÖZKAL, Burak</au><au>TANOGLU, Metin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Characterization investigations during mechanical alloying and sintering of W–20 vol% SiC composites</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2010-03-04</date><risdate>2010</risdate><volume>492</volume><issue>1</issue><spage>576</spage><epage>584</epage><pages>576-584</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>The effect of mechanical alloying and the sintering regime on the microstructural and the physical properties of W–SiC composites were investigated. Powder mixtures of W–20
vol.% SiC were mechanically alloyed (MA’d) using a Spex mill for 3
h, 6
h and 24
h. MA’d powders were characterized by Laser Diffraction Particle Size Analyzer, SEM and XRD investigations. MA’d W–20
vol.% SiC powder composites were sintered under inert Ar and reducing H
2 gas conditions at 1680
°C and 1770
°C for 1
h. The microstructural and mechanical characterizations of the sintered samples were carried out by scanning electron microscope (SEM) and X-ray diffraction (XRD) and Vickers Hardness analyses. The addition of SiC remarkably increases the hardness of the composites. Hardness is also increased with decreasing grain size and increasing amount of MA.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2009.11.185</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Applied sciences Composite materials Diffraction Dispersion hardening metals Exact sciences and technology Hardness Mechanical alloying Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy Microstructure Powder metallurgy. Composite materials Production techniques Scanning electron microscopy Silicon carbide Sintering Sintering (powder metallurgy) Solid-state sintering Tungsten |
title | Characterization investigations during mechanical alloying and sintering of W–20 vol% SiC composites |
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