Microstructural and thermoanalytical investigations of nano-phase formation in Ti20Zr20Cu60 alloy
The kinetics of crystallization of Ti20Zr20Cu60 amorphous alloy has been investigated from room temperature to 773K using differential scanning calorimetry (DSC). The thermogram exhibits two-stage crystallization in this alloy. The values of activation energy of crystallization for the two steps usi...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2004-07, Vol.375-377, p.767-771 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Pratap, Arun Lad, Kirit N. Savalia, R.T. Dey, G.K. Banerjee, S. |
| description | The kinetics of crystallization of Ti20Zr20Cu60 amorphous alloy has been investigated from room temperature to 773K using differential scanning calorimetry (DSC). The thermogram exhibits two-stage crystallization in this alloy. The values of activation energy of crystallization for the two steps using Kissinger equation are 423.8 and 314.7kJ/mol respectively.
On annealing the specimen to a temperature just before the glass transition temperature, primary crystallization is observed to occur with Cu2Ti orthorhombic and CuZr cubic metastable phases. Further, annealing the specimen to a temperature just below the onset of crystallization obtained from DSC thermogram, tetragonal CuTi3 and cubic Cu5Zr equilibrium phases were found to form as observed from the selected area electron diffraction (SAED) pattern in TEM. Presence of some unidentified d-lines indicated the formation of a metastable Laves phase namely Zr2TiCu3. |
| doi_str_mv | 10.1016/j.msea.2003.10.172 |
| format | Article |
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On annealing the specimen to a temperature just before the glass transition temperature, primary crystallization is observed to occur with Cu2Ti orthorhombic and CuZr cubic metastable phases. Further, annealing the specimen to a temperature just below the onset of crystallization obtained from DSC thermogram, tetragonal CuTi3 and cubic Cu5Zr equilibrium phases were found to form as observed from the selected area electron diffraction (SAED) pattern in TEM. Presence of some unidentified d-lines indicated the formation of a metastable Laves phase namely Zr2TiCu3.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2003.10.172</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Copper-based ternary alloy ; Crystallization ; Microstructure ; Nanocrystalline phase</subject><ispartof>Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2004-07, Vol.375-377, p.767-771</ispartof><rights>2003 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c342t-4adfa6e898d9b1264006e5894603f1dada6f3f65ed2ee98153e28d4ceb4a06133</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.msea.2003.10.172$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Pratap, Arun</creatorcontrib><creatorcontrib>Lad, Kirit N.</creatorcontrib><creatorcontrib>Savalia, R.T.</creatorcontrib><creatorcontrib>Dey, G.K.</creatorcontrib><creatorcontrib>Banerjee, S.</creatorcontrib><title>Microstructural and thermoanalytical investigations of nano-phase formation in Ti20Zr20Cu60 alloy</title><title>Materials science & engineering. A, Structural materials : properties, microstructure and processing</title><description>The kinetics of crystallization of Ti20Zr20Cu60 amorphous alloy has been investigated from room temperature to 773K using differential scanning calorimetry (DSC). The thermogram exhibits two-stage crystallization in this alloy. The values of activation energy of crystallization for the two steps using Kissinger equation are 423.8 and 314.7kJ/mol respectively.
On annealing the specimen to a temperature just before the glass transition temperature, primary crystallization is observed to occur with Cu2Ti orthorhombic and CuZr cubic metastable phases. Further, annealing the specimen to a temperature just below the onset of crystallization obtained from DSC thermogram, tetragonal CuTi3 and cubic Cu5Zr equilibrium phases were found to form as observed from the selected area electron diffraction (SAED) pattern in TEM. Presence of some unidentified d-lines indicated the formation of a metastable Laves phase namely Zr2TiCu3.</description><subject>Copper-based ternary alloy</subject><subject>Crystallization</subject><subject>Microstructure</subject><subject>Nanocrystalline phase</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNqNkU1v2zAMhoViA5Zm-wM7-bSbXerDigzsUgT9AlL00l12EViJbhXYVibZAfLvZzc7b-OFwMvnJQi-jH3lUHHg-mpf9ZmwEgCyWrSNuGArbjayVI3UH9gKGsHLGhr5iV3mvAcArqBeMXwMLsU8psmNU8KuwMEX4xulPuKA3WkMbhbDcKQ8hlccQxxyEdtiwCGWhzfMVLQx9e-DGSueg4CfScB20lBg18XTZ_axxS7Tlz99zX7c3jxv78vd093D9npXOqnEWCr0LWoyjfHNCxdaAWiqTaM0yJZ79Khb2eqavCBqDK8lCeOVoxeFoLmUa_btvPeQ4q9pPtf2ITvqOhwoTtlKZQznzeafoDBCcanl_4ByLj2D4gwur8yJWntIocd0shzsko_d2yUfu-Tzrm3EbPp-NtH8lGOgZLMLNDjyIZEbrY_hb_bf3RiZ1A</recordid><startdate>20040715</startdate><enddate>20040715</enddate><creator>Pratap, Arun</creator><creator>Lad, Kirit N.</creator><creator>Savalia, R.T.</creator><creator>Dey, G.K.</creator><creator>Banerjee, S.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7SC</scope><scope>7U5</scope><scope>8BQ</scope><scope>H8G</scope><scope>JG9</scope><scope>JQ2</scope><scope>L~C</scope><scope>L~D</scope><scope>7SR</scope></search><sort><creationdate>20040715</creationdate><title>Microstructural and thermoanalytical investigations of nano-phase formation in Ti20Zr20Cu60 alloy</title><author>Pratap, Arun ; Lad, Kirit N. ; Savalia, R.T. ; Dey, G.K. ; Banerjee, S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c342t-4adfa6e898d9b1264006e5894603f1dada6f3f65ed2ee98153e28d4ceb4a06133</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Copper-based ternary alloy</topic><topic>Crystallization</topic><topic>Microstructure</topic><topic>Nanocrystalline phase</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pratap, Arun</creatorcontrib><creatorcontrib>Lad, Kirit N.</creatorcontrib><creatorcontrib>Savalia, R.T.</creatorcontrib><creatorcontrib>Dey, G.K.</creatorcontrib><creatorcontrib>Banerjee, S.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Engineered Materials Abstracts</collection><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pratap, Arun</au><au>Lad, Kirit N.</au><au>Savalia, R.T.</au><au>Dey, G.K.</au><au>Banerjee, S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microstructural and thermoanalytical investigations of nano-phase formation in Ti20Zr20Cu60 alloy</atitle><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle><date>2004-07-15</date><risdate>2004</risdate><volume>375-377</volume><spage>767</spage><epage>771</epage><pages>767-771</pages><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>The kinetics of crystallization of Ti20Zr20Cu60 amorphous alloy has been investigated from room temperature to 773K using differential scanning calorimetry (DSC). The thermogram exhibits two-stage crystallization in this alloy. The values of activation energy of crystallization for the two steps using Kissinger equation are 423.8 and 314.7kJ/mol respectively.
On annealing the specimen to a temperature just before the glass transition temperature, primary crystallization is observed to occur with Cu2Ti orthorhombic and CuZr cubic metastable phases. Further, annealing the specimen to a temperature just below the onset of crystallization obtained from DSC thermogram, tetragonal CuTi3 and cubic Cu5Zr equilibrium phases were found to form as observed from the selected area electron diffraction (SAED) pattern in TEM. Presence of some unidentified d-lines indicated the formation of a metastable Laves phase namely Zr2TiCu3.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2003.10.172</doi><tpages>5</tpages></addata></record> |
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| subjects | Copper-based ternary alloy Crystallization Microstructure Nanocrystalline phase |
| title | Microstructural and thermoanalytical investigations of nano-phase formation in Ti20Zr20Cu60 alloy |
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