On the selection of Ti–Cu alloys for thixoforming processes: phase diagram and microstructural evaluation
Ti alloys are successfully applied in several sectors due to their outstanding properties. A greater increase in the industrial consumption of Ti is strongly limited by its cost, which is mainly related to difficulties in obtaining products with specific geometries. The use of thixoforming processes...
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| Veröffentlicht in: | Journal of materials science 2015-12, Vol.50 (24), p.8007-8017 |
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| creator | Campo, Kaio Niitsu de Lima, Dalton Daniel Lopes, Éder Sócrates Najar Caram, Rubens |
| description | Ti alloys are successfully applied in several sectors due to their outstanding properties. A greater increase in the industrial consumption of Ti is strongly limited by its cost, which is mainly related to difficulties in obtaining products with specific geometries. The use of thixoforming processes to form Ti alloys represents an innovative approach to minimizing such difficulties. The objectives of this study were to select and produce binary Ti–Cu alloys specifically designed for thixoforming and to investigate their microstructure when heated to the semisolid state. Specific compositions were chosen according to the criteria for thixoformability, such as the solidification range and the sensitivity of the liquid fraction to temperature. Samples of these alloys were prepared by arc melting and were then hot forged prior to partial melting. The results obtained by thermal analysis and thermodynamic simulation were in good agreement and indicated that Ti–Cu alloys can be processed by thixoforming at temperatures below 1100 °C. Microstructural characterization showed fine and globular microstructures in the semisolid state, revealing the promising potential of Ti–Cu alloys as thixoformable materials. |
| doi_str_mv | 10.1007/s10853-015-9367-4 |
| format | Article |
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A greater increase in the industrial consumption of Ti is strongly limited by its cost, which is mainly related to difficulties in obtaining products with specific geometries. The use of thixoforming processes to form Ti alloys represents an innovative approach to minimizing such difficulties. The objectives of this study were to select and produce binary Ti–Cu alloys specifically designed for thixoforming and to investigate their microstructure when heated to the semisolid state. Specific compositions were chosen according to the criteria for thixoformability, such as the solidification range and the sensitivity of the liquid fraction to temperature. Samples of these alloys were prepared by arc melting and were then hot forged prior to partial melting. The results obtained by thermal analysis and thermodynamic simulation were in good agreement and indicated that Ti–Cu alloys can be processed by thixoforming at temperatures below 1100 °C. Microstructural characterization showed fine and globular microstructures in the semisolid state, revealing the promising potential of Ti–Cu alloys as thixoformable materials.</description><identifier>ISSN: 0022-2461</identifier><identifier>EISSN: 1573-4803</identifier><identifier>DOI: 10.1007/s10853-015-9367-4</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>alloys ; Binary alloys ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Classical Mechanics ; Crystallography and Scattering Methods ; Degassing of metals ; Electric arc melting ; Materials Science ; melting ; Metals ; Microstructure ; Original Paper ; Phase diagrams ; physical phases ; Polymer Sciences ; Semisolids ; Silicon ; Solid Mechanics ; Solidification ; Specialty metals industry ; temperature ; Thermal analysis ; Thermodynamics ; Thixoforming ; Titanium alloys ; Titanium base alloys</subject><ispartof>Journal of materials science, 2015-12, Vol.50 (24), p.8007-8017</ispartof><rights>Springer Science+Business Media New York 2015</rights><rights>COPYRIGHT 2015 Springer</rights><rights>Journal of Materials Science is a copyright of Springer, (2015). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c483t-74436da0c96627104962de04683eb3def661f3ad519a6a19153878f2ed1822b63</citedby><cites>FETCH-LOGICAL-c483t-74436da0c96627104962de04683eb3def661f3ad519a6a19153878f2ed1822b63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10853-015-9367-4$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10853-015-9367-4$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Campo, Kaio Niitsu</creatorcontrib><creatorcontrib>de Lima, Dalton Daniel</creatorcontrib><creatorcontrib>Lopes, Éder Sócrates Najar</creatorcontrib><creatorcontrib>Caram, Rubens</creatorcontrib><title>On the selection of Ti–Cu alloys for thixoforming processes: phase diagram and microstructural evaluation</title><title>Journal of materials science</title><addtitle>J Mater Sci</addtitle><description>Ti alloys are successfully applied in several sectors due to their outstanding properties. A greater increase in the industrial consumption of Ti is strongly limited by its cost, which is mainly related to difficulties in obtaining products with specific geometries. The use of thixoforming processes to form Ti alloys represents an innovative approach to minimizing such difficulties. The objectives of this study were to select and produce binary Ti–Cu alloys specifically designed for thixoforming and to investigate their microstructure when heated to the semisolid state. Specific compositions were chosen according to the criteria for thixoformability, such as the solidification range and the sensitivity of the liquid fraction to temperature. Samples of these alloys were prepared by arc melting and were then hot forged prior to partial melting. The results obtained by thermal analysis and thermodynamic simulation were in good agreement and indicated that Ti–Cu alloys can be processed by thixoforming at temperatures below 1100 °C. Microstructural characterization showed fine and globular microstructures in the semisolid state, revealing the promising potential of Ti–Cu alloys as thixoformable materials.</description><subject>alloys</subject><subject>Binary alloys</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Classical Mechanics</subject><subject>Crystallography and Scattering Methods</subject><subject>Degassing of metals</subject><subject>Electric arc melting</subject><subject>Materials Science</subject><subject>melting</subject><subject>Metals</subject><subject>Microstructure</subject><subject>Original Paper</subject><subject>Phase diagrams</subject><subject>physical phases</subject><subject>Polymer Sciences</subject><subject>Semisolids</subject><subject>Silicon</subject><subject>Solid Mechanics</subject><subject>Solidification</subject><subject>Specialty metals industry</subject><subject>temperature</subject><subject>Thermal analysis</subject><subject>Thermodynamics</subject><subject>Thixoforming</subject><subject>Titanium alloys</subject><subject>Titanium base alloys</subject><issn>0022-2461</issn><issn>1573-4803</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp9kc9q3DAQh01podu0D9BTBT314HRGkiW7t7D0TyAQaJKzUOyRo9RrbSW5JLe-Q98wTxItLpRcig4S4vtmRvpV1VuEYwTQHxNC24gasKk7oXQtn1UbbLSoZQviebUB4LzmUuHL6lVKtwDQaI6b6sf5zPINsUQT9dmHmQXHLv3D7z_bhdlpCveJuRAL4-9COez8PLJ9DD2lROkT29_YRGzwdox2x-w8sJ3vY0g5Ln1eop0Y_bLTYg-lX1cvnJ0Svfm7H1VXXz5fbr_VZ-dfT7cnZ3UvW5FrLaVQg4W-U4prBNkpPhBI1Qq6FgM5pdAJOzTYWWWxw0a0unWcBmw5v1biqHq_1i1z_lwoZXMbljiXlobzptMNooZCHa_UaCcyfnYhR9uXNVB5QpjJ-XJ_InlXqmuJRfjwRChMprs82iUlc3rx_SmLK3v4ixTJmX30OxvvDYI5BGbWwEwJzBwCM7I4fHVSYeeR4r-x_ye9WyVngykh-GSuLjigKgmjQkDxCJHToZk</recordid><startdate>20151201</startdate><enddate>20151201</enddate><creator>Campo, Kaio Niitsu</creator><creator>de Lima, Dalton Daniel</creator><creator>Lopes, Éder Sócrates Najar</creator><creator>Caram, Rubens</creator><general>Springer US</general><general>Springer</general><general>Springer Nature B.V</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>ISR</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20151201</creationdate><title>On the selection of Ti–Cu alloys for thixoforming processes: phase diagram and microstructural evaluation</title><author>Campo, Kaio Niitsu ; 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A greater increase in the industrial consumption of Ti is strongly limited by its cost, which is mainly related to difficulties in obtaining products with specific geometries. The use of thixoforming processes to form Ti alloys represents an innovative approach to minimizing such difficulties. The objectives of this study were to select and produce binary Ti–Cu alloys specifically designed for thixoforming and to investigate their microstructure when heated to the semisolid state. Specific compositions were chosen according to the criteria for thixoformability, such as the solidification range and the sensitivity of the liquid fraction to temperature. Samples of these alloys were prepared by arc melting and were then hot forged prior to partial melting. The results obtained by thermal analysis and thermodynamic simulation were in good agreement and indicated that Ti–Cu alloys can be processed by thixoforming at temperatures below 1100 °C. Microstructural characterization showed fine and globular microstructures in the semisolid state, revealing the promising potential of Ti–Cu alloys as thixoformable materials.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s10853-015-9367-4</doi><tpages>11</tpages></addata></record> |
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| subjects | alloys Binary alloys Characterization and Evaluation of Materials Chemistry and Materials Science Classical Mechanics Crystallography and Scattering Methods Degassing of metals Electric arc melting Materials Science melting Metals Microstructure Original Paper Phase diagrams physical phases Polymer Sciences Semisolids Silicon Solid Mechanics Solidification Specialty metals industry temperature Thermal analysis Thermodynamics Thixoforming Titanium alloys Titanium base alloys |
| title | On the selection of Ti–Cu alloys for thixoforming processes: phase diagram and microstructural evaluation |
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