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- Publisher Website: 10.1016/S1005-0302(10)60144-2
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Article: Changes of Oxygen Content in Molten TiAl Alloys as a Function of Superheat during Vacuum Induction Melting
Title | Changes of Oxygen Content in Molten TiAl Alloys as a Function of Superheat during Vacuum Induction Melting |
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Authors | |
Keywords | Oxygen content Calcia crucible Induction melting TiAl alloys |
Issue Date | 2010 |
Citation | Journal of Materials Science and Technology, 2010, v. 26, n. 10, p. 900-903 How to Cite? |
Abstract | Experimental studies on the melting process of titanium aluminum alloy have been pursued from the viewpoint of contamination. TiAl alloys were prepared with vacuum induction melting (VIM) in calcia crucibles at 1873 K and 1923 K in order to determine the behavior of the oxygen content as a function of temperature, time and frequency of power. The experiment results showed that alloys were uncontaminated except for the increasing of oxygen content which was introduced from the reaction CaO(s)=Ca(in TiAl)+O(in TiAl), and the standard Gibbs energy of the reaction was determined to be ΔG0=274000-102.8T (J/mol). Oxygen content increased slowly with the melting time by about 50×10-6 wt pct/min, and decreased with induction melting frequency. Lower superheat and higher melting frequency can be used to reduce oxygen content increasing rate. © 2010 The Chinese Society for Metals. |
Persistent Identifier | http://hdl.handle.net/10722/265426 |
ISSN | 2023 Impact Factor: 11.2 2023 SCImago Journal Rankings: 2.309 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Chen, Bo | - |
dc.contributor.author | Ma, Yingche | - |
dc.contributor.author | Gao, Ming | - |
dc.contributor.author | Liu, Kui | - |
dc.date.accessioned | 2018-12-03T01:20:37Z | - |
dc.date.available | 2018-12-03T01:20:37Z | - |
dc.date.issued | 2010 | - |
dc.identifier.citation | Journal of Materials Science and Technology, 2010, v. 26, n. 10, p. 900-903 | - |
dc.identifier.issn | 1005-0302 | - |
dc.identifier.uri | http://hdl.handle.net/10722/265426 | - |
dc.description.abstract | Experimental studies on the melting process of titanium aluminum alloy have been pursued from the viewpoint of contamination. TiAl alloys were prepared with vacuum induction melting (VIM) in calcia crucibles at 1873 K and 1923 K in order to determine the behavior of the oxygen content as a function of temperature, time and frequency of power. The experiment results showed that alloys were uncontaminated except for the increasing of oxygen content which was introduced from the reaction CaO(s)=Ca(in TiAl)+O(in TiAl), and the standard Gibbs energy of the reaction was determined to be ΔG0=274000-102.8T (J/mol). Oxygen content increased slowly with the melting time by about 50×10-6 wt pct/min, and decreased with induction melting frequency. Lower superheat and higher melting frequency can be used to reduce oxygen content increasing rate. © 2010 The Chinese Society for Metals. | - |
dc.language | eng | - |
dc.relation.ispartof | Journal of Materials Science and Technology | - |
dc.subject | Oxygen content | - |
dc.subject | Calcia crucible | - |
dc.subject | Induction melting | - |
dc.subject | TiAl alloys | - |
dc.title | Changes of Oxygen Content in Molten TiAl Alloys as a Function of Superheat during Vacuum Induction Melting | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/S1005-0302(10)60144-2 | - |
dc.identifier.scopus | eid_2-s2.0-78649408842 | - |
dc.identifier.volume | 26 | - |
dc.identifier.issue | 10 | - |
dc.identifier.spage | 900 | - |
dc.identifier.epage | 903 | - |
dc.identifier.isi | WOS:000284188600007 | - |
dc.identifier.issnl | 1005-0302 | - |