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Glass formation of rare earth aluminates by containerless processing

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Title: Glass formation of rare earth aluminates by containerless processing
Authors: Watanabe, Yasuhiro ywata@iis.u-tokyo.ac.jp, Masuno, Atsunobu, Inoue, Hiroyuki
Source: Journal of Non-Crystalline Solids. Dec2012, Vol. 358 Issue 24, p3563-3566. 4p.
Subjects: Rare earth metals, Containerless processing, Metallic glasses, Aerodynamics, Magnetic suspension, Phase equilibrium
Abstract: Abstract: xR 2O3–(100− x)Al2O3 binary glasses (R =Y, La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu) were synthesized by containerless processing using an aerodynamic levitation furnace. Transparent glasses with a composition of x =30 and 32 were obtained for all Rs except Yb and Lu, which contained a small amount of crystalline phases. The glass transition temperature for x =32 glasses increased with a decrease in the ionic radius of R while the thermal stability of the glass and the molar volume decreased. From the results of the relation between the glass forming region and the phase equilibrium, it is proposed that solidification by containerless cooling proceeds as expected from the non-equilibrium phase diagram in the binary systems of small R (R =Y, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu). [Copyright &y& Elsevier]
Copyright of Journal of Non-Crystalline Solids 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: 83464854
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Glass formation of rare earth aluminates by containerless processing
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  Data: <searchLink fieldCode="AR" term="%22Watanabe%2C+Yasuhiro%22">Watanabe, Yasuhiro</searchLink><i> ywata@iis.u-tokyo.ac.jp</i><br /><searchLink fieldCode="AR" term="%22Masuno%2C+Atsunobu%22">Masuno, Atsunobu</searchLink><br /><searchLink fieldCode="AR" term="%22Inoue%2C+Hiroyuki%22">Inoue, Hiroyuki</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Non-Crystalline+Solids%22">Journal of Non-Crystalline Solids</searchLink>. Dec2012, Vol. 358 Issue 24, p3563-3566. 4p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Rare+earth+metals%22">Rare earth metals</searchLink><br /><searchLink fieldCode="DE" term="%22Containerless+processing%22">Containerless processing</searchLink><br /><searchLink fieldCode="DE" term="%22Metallic+glasses%22">Metallic glasses</searchLink><br /><searchLink fieldCode="DE" term="%22Aerodynamics%22">Aerodynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+suspension%22">Magnetic suspension</searchLink><br /><searchLink fieldCode="DE" term="%22Phase+equilibrium%22">Phase equilibrium</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Abstract: xR 2O3–(100− x)Al2O3 binary glasses (R =Y, La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu) were synthesized by containerless processing using an aerodynamic levitation furnace. Transparent glasses with a composition of x =30 and 32 were obtained for all Rs except Yb and Lu, which contained a small amount of crystalline phases. The glass transition temperature for x =32 glasses increased with a decrease in the ionic radius of R while the thermal stability of the glass and the molar volume decreased. From the results of the relation between the glass forming region and the phase equilibrium, it is proposed that solidification by containerless cooling proceeds as expected from the non-equilibrium phase diagram in the binary systems of small R (R =Y, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu). [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Non-Crystalline Solids 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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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.jnoncrysol.2012.02.001
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      – Code: eng
        Text: English
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        PageCount: 4
        StartPage: 3563
    Subjects:
      – SubjectFull: Rare earth metals
        Type: general
      – SubjectFull: Containerless processing
        Type: general
      – SubjectFull: Metallic glasses
        Type: general
      – SubjectFull: Aerodynamics
        Type: general
      – SubjectFull: Magnetic suspension
        Type: general
      – SubjectFull: Phase equilibrium
        Type: general
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      – TitleFull: Glass formation of rare earth aluminates by containerless processing
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            NameFull: Watanabe, Yasuhiro
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            NameFull: Masuno, Atsunobu
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            NameFull: Inoue, Hiroyuki
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            – D: 15
              M: 12
              Text: Dec2012
              Type: published
              Y: 2012
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              Value: 358
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            – TitleFull: Journal of Non-Crystalline Solids
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