Effect of pre-alloyed raw materials on the microstructure of a (Ti,W)(C,N)–Co cermet
Four alloys manufactured from different combinations of powders (TiC + TiN + WC; Ti(C,N) + WC; (Ti,W)C + TiN and (Ti,W)(C,N)) were studied using X-ray diffractometry, optical microscopy (OM), scanning electron microscopy (SEM) and analytical electron microscopy (AEM). The alloy manufactured from bin...
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| Veröffentlicht in: | International journal of refractory metals & hard materials 2000, Vol.18 (6), p.273-279 |
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| container_title | International journal of refractory metals & hard materials |
| container_volume | 18 |
| creator | Lindahl, P. Rosén, A.E. Gustafson, P. Rolander, U. Andrén, H.-O. |
| description | Four alloys manufactured from different combinations of powders (TiC
+
TiN
+
WC; Ti(C,N)
+
WC; (Ti,W)C
+
TiN and (Ti,W)(C,N)) were studied using X-ray diffractometry, optical microscopy (OM), scanning electron microscopy (SEM) and analytical electron microscopy (AEM). The alloy manufactured from binary powders had a smaller grain size and a more inhomogeneous microstructure than the other alloys. The alloys manufactured with WC contained an inner rim around Ti(C,N) cores, as well as W-rich cores. Thermodynamic calculations suggest that these are formed during solid-state sintering at 900°C in a low nitrogen activity. The outer rim had a composition that is in good agreement with calculations of the equilibrium during liquid phase sintering at 1450°C. |
| doi_str_mv | 10.1016/S0263-4368(00)00029-9 |
| format | Article |
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+
TiN
+
WC; Ti(C,N)
+
WC; (Ti,W)C
+
TiN and (Ti,W)(C,N)) were studied using X-ray diffractometry, optical microscopy (OM), scanning electron microscopy (SEM) and analytical electron microscopy (AEM). The alloy manufactured from binary powders had a smaller grain size and a more inhomogeneous microstructure than the other alloys. The alloys manufactured with WC contained an inner rim around Ti(C,N) cores, as well as W-rich cores. Thermodynamic calculations suggest that these are formed during solid-state sintering at 900°C in a low nitrogen activity. The outer rim had a composition that is in good agreement with calculations of the equilibrium during liquid phase sintering at 1450°C.</description><identifier>ISSN: 0263-4368</identifier><identifier>EISSN: 2213-3917</identifier><identifier>DOI: 10.1016/S0263-4368(00)00029-9</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>AEM ; Core-rim structure ; SEM ; Thermo-Calc ; XRD</subject><ispartof>International journal of refractory metals & hard materials, 2000, Vol.18 (6), p.273-279</ispartof><rights>2001</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c338t-31fcc6a6370e6ef3892ec8203b6d7798868403565d1619ce7d4beab5430ec6e03</citedby><cites>FETCH-LOGICAL-c338t-31fcc6a6370e6ef3892ec8203b6d7798868403565d1619ce7d4beab5430ec6e03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0263436800000299$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,4010,27900,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Lindahl, P.</creatorcontrib><creatorcontrib>Rosén, A.E.</creatorcontrib><creatorcontrib>Gustafson, P.</creatorcontrib><creatorcontrib>Rolander, U.</creatorcontrib><creatorcontrib>Andrén, H.-O.</creatorcontrib><title>Effect of pre-alloyed raw materials on the microstructure of a (Ti,W)(C,N)–Co cermet</title><title>International journal of refractory metals & hard materials</title><description>Four alloys manufactured from different combinations of powders (TiC
+
TiN
+
WC; Ti(C,N)
+
WC; (Ti,W)C
+
TiN and (Ti,W)(C,N)) were studied using X-ray diffractometry, optical microscopy (OM), scanning electron microscopy (SEM) and analytical electron microscopy (AEM). The alloy manufactured from binary powders had a smaller grain size and a more inhomogeneous microstructure than the other alloys. The alloys manufactured with WC contained an inner rim around Ti(C,N) cores, as well as W-rich cores. Thermodynamic calculations suggest that these are formed during solid-state sintering at 900°C in a low nitrogen activity. The outer rim had a composition that is in good agreement with calculations of the equilibrium during liquid phase sintering at 1450°C.</description><subject>AEM</subject><subject>Core-rim structure</subject><subject>SEM</subject><subject>Thermo-Calc</subject><subject>XRD</subject><issn>0263-4368</issn><issn>2213-3917</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNqFkM1Kw0AURgdRsFYfQZiVtNDonZlkkqxEQv2BogurLofp5AZHkk6dSZTufAff0CcxteLW1d2c88E9hBwzOGXA5Nk9cCmiWMhsBDAGAJ5H-Q4ZcM5EJHKW7pLBH7JPDkJ46SGZSzYgj9OqQtNSV9GVx0jXtVtjSb1-p41u0VtdB-qWtH1G2ljjXWh9Z9rO40bRdDS3k6fxqJjcjr8-PgtHDfoG20OyV_UmHv3eIXm4nM6L62h2d3VTXMwiI0TWRoJVxkgtRQoosRJZztFkHMRClmmaZ5nMYhCJTEomWW4wLeMF6kUSC0AjEcSQnGx3V969dhha1dhgsK71El0XFE8TiFnCezDZgpsXgsdKrbxttF8rBmpTUf1UVJtECkD9VFR5751vPey_eLPoVTAWlwZL6_tuqnT2n4VvKhx4kA</recordid><startdate>2000</startdate><enddate>2000</enddate><creator>Lindahl, P.</creator><creator>Rosén, A.E.</creator><creator>Gustafson, P.</creator><creator>Rolander, U.</creator><creator>Andrén, H.-O.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>2000</creationdate><title>Effect of pre-alloyed raw materials on the microstructure of a (Ti,W)(C,N)–Co cermet</title><author>Lindahl, P. ; Rosén, A.E. ; Gustafson, P. ; Rolander, U. ; Andrén, H.-O.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c338t-31fcc6a6370e6ef3892ec8203b6d7798868403565d1619ce7d4beab5430ec6e03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>AEM</topic><topic>Core-rim structure</topic><topic>SEM</topic><topic>Thermo-Calc</topic><topic>XRD</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lindahl, P.</creatorcontrib><creatorcontrib>Rosén, A.E.</creatorcontrib><creatorcontrib>Gustafson, P.</creatorcontrib><creatorcontrib>Rolander, U.</creatorcontrib><creatorcontrib>Andrén, H.-O.</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>International journal of refractory metals & hard materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lindahl, P.</au><au>Rosén, A.E.</au><au>Gustafson, P.</au><au>Rolander, U.</au><au>Andrén, H.-O.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of pre-alloyed raw materials on the microstructure of a (Ti,W)(C,N)–Co cermet</atitle><jtitle>International journal of refractory metals & hard materials</jtitle><date>2000</date><risdate>2000</risdate><volume>18</volume><issue>6</issue><spage>273</spage><epage>279</epage><pages>273-279</pages><issn>0263-4368</issn><eissn>2213-3917</eissn><abstract>Four alloys manufactured from different combinations of powders (TiC
+
TiN
+
WC; Ti(C,N)
+
WC; (Ti,W)C
+
TiN and (Ti,W)(C,N)) were studied using X-ray diffractometry, optical microscopy (OM), scanning electron microscopy (SEM) and analytical electron microscopy (AEM). The alloy manufactured from binary powders had a smaller grain size and a more inhomogeneous microstructure than the other alloys. The alloys manufactured with WC contained an inner rim around Ti(C,N) cores, as well as W-rich cores. Thermodynamic calculations suggest that these are formed during solid-state sintering at 900°C in a low nitrogen activity. The outer rim had a composition that is in good agreement with calculations of the equilibrium during liquid phase sintering at 1450°C.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/S0263-4368(00)00029-9</doi><tpages>7</tpages></addata></record> |
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| ispartof | International journal of refractory metals & hard materials, 2000, Vol.18 (6), p.273-279 |
| issn | 0263-4368 2213-3917 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_27504152 |
| source | Elsevier ScienceDirect Journals |
| subjects | AEM Core-rim structure SEM Thermo-Calc XRD |
| title | Effect of pre-alloyed raw materials on the microstructure of a (Ti,W)(C,N)–Co cermet |
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