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Structures and properties of ceramic films on TiAl intermetallic compound fabricated by microarc oxidation

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Title: Structures and properties of ceramic films on TiAl intermetallic compound fabricated by microarc oxidation
Authors: Li, Xijin1, Wu, Xiaoling1 wuxl@bnu.edu.cn, Xue, Wenbin1, Cheng, Guoan1, Zheng, Ruiting1, Cheng, Yunjun2
Source: Surface & Coatings Technology. Feb2007, Vol. 201 Issue 9-11, p5556-5559. 4p.
Subjects: Oxidation, Intermetallic compounds, Micromechanics, Oxide minerals
Abstract: Abstract: The ceramic oxide films with a thickness of 120 μm were prepared on γ-TiAl intermetallic compound by alternating-current microarc oxidation in silicate electrolyte. Isothermal oxidation of TiAl alloy coated with the ceramic oxide film was carried out in air at 1100 °C. Result showed that the dense layers in the oxide film were mainly composed of Al2TiO5 and TiO2 rutile phase, while the loose layer contained a large amount of amorphous SiO2 besides Al2TiO5 and TiO2 rutile phase. Thermal shock tests revealed a good adhesion between the films and TiAl substrate, and the oxidation resistance of the TiAl alloy was improved. [Copyright &y& Elsevier]
Copyright of Surface & Coatings Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 23892941
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Structures and properties of ceramic films on TiAl intermetallic compound fabricated by microarc oxidation
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  Data: <searchLink fieldCode="AR" term="%22Li%2C+Xijin%22">Li, Xijin</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Wu%2C+Xiaoling%22">Wu, Xiaoling</searchLink><relatesTo>1</relatesTo><i> wuxl@bnu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Xue%2C+Wenbin%22">Xue, Wenbin</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Cheng%2C+Guoan%22">Cheng, Guoan</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zheng%2C+Ruiting%22">Zheng, Ruiting</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Cheng%2C+Yunjun%22">Cheng, Yunjun</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Surface+%26+Coatings+Technology%22">Surface & Coatings Technology</searchLink>. Feb2007, Vol. 201 Issue 9-11, p5556-5559. 4p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Oxidation%22">Oxidation</searchLink><br /><searchLink fieldCode="DE" term="%22Intermetallic+compounds%22">Intermetallic compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Micromechanics%22">Micromechanics</searchLink><br /><searchLink fieldCode="DE" term="%22Oxide+minerals%22">Oxide minerals</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Abstract: The ceramic oxide films with a thickness of 120 μm were prepared on γ-TiAl intermetallic compound by alternating-current microarc oxidation in silicate electrolyte. Isothermal oxidation of TiAl alloy coated with the ceramic oxide film was carried out in air at 1100 °C. Result showed that the dense layers in the oxide film were mainly composed of Al2TiO5 and TiO2 rutile phase, while the loose layer contained a large amount of amorphous SiO2 besides Al2TiO5 and TiO2 rutile phase. Thermal shock tests revealed a good adhesion between the films and TiAl substrate, and the oxidation resistance of the TiAl alloy was improved. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Surface & Coatings Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.surfcoat.2006.07.129
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      – Code: eng
        Text: English
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              Text: Feb2007
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