Influence of Si and W Additions on High Temperature Oxidation of γ-$ α_{2} $ Ti-Al Alloys
Abstract Titanium aluminides have potential interest for high temperature applications because of their low density and high temperature strength. In this study the isothermal oxidation behavior in air and in the temperature range 700-850°C of γ-$ α_{2} $Ti-Al bulk alloys with different additions of...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Tomasi, A. [verfasserIn] Noseda, C. [verfasserIn] Nazmy, M. [verfasserIn] Gialanella, S. [verfasserIn] |
|---|
| Format: |
E-Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
1996 |
|---|
| Übergeordnetes Werk: |
Enthalten in: MRS online proceedings library - Warrendale, Pa. : MRS, 1998, 460(1996), 1 vom: Dez., Seite 225-230 |
|---|---|
| Übergeordnetes Werk: |
volume:460 ; year:1996 ; number:1 ; month:12 ; pages:225-230 |
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| DOI / URN: |
10.1557/PROC-460-225 |
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SPR041828623 |
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| 520 | |a Abstract Titanium aluminides have potential interest for high temperature applications because of their low density and high temperature strength. In this study the isothermal oxidation behavior in air and in the temperature range 700-850°C of γ-$ α_{2} $Ti-Al bulk alloys with different additions of W (0-9.5 wt.%) and Si (0-5.0 wt.%) was investigated. The samples were prepared by arc-melting starting from pure element powders (99.99%). After thermal treatments, for homogenisation and phase stabilisation, the samples were tested using a thermal analysis apparatus in order to evaluate their oxidation resistance. The oxidation rates show the beneficial effect of the W and Si additions. The growth and adherence of the protective scale on alloys have been investigated in conjunction with detailed oxide scale characterisation using the techniques of scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results of the study are used for critical assessment of the oxidation mechanisms leading to the formation of surface layers of different compositions. | ||
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10.1557/PROC-460-225 doi (DE-627)SPR041828623 (SPR)PROC-460-225-e DE-627 ger DE-627 rakwb eng 670 ASE Tomasi, A. verfasserin aut Influence of Si and W Additions on High Temperature Oxidation of γ-$ α_{2} $ Ti-Al Alloys 1996 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Titanium aluminides have potential interest for high temperature applications because of their low density and high temperature strength. In this study the isothermal oxidation behavior in air and in the temperature range 700-850°C of γ-$ α_{2} $Ti-Al bulk alloys with different additions of W (0-9.5 wt.%) and Si (0-5.0 wt.%) was investigated. The samples were prepared by arc-melting starting from pure element powders (99.99%). After thermal treatments, for homogenisation and phase stabilisation, the samples were tested using a thermal analysis apparatus in order to evaluate their oxidation resistance. The oxidation rates show the beneficial effect of the W and Si additions. The growth and adherence of the protective scale on alloys have been investigated in conjunction with detailed oxide scale characterisation using the techniques of scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results of the study are used for critical assessment of the oxidation mechanisms leading to the formation of surface layers of different compositions. Noseda, C. verfasserin aut Nazmy, M. verfasserin aut Gialanella, S. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 460(1996), 1 vom: Dez., Seite 225-230 (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:460 year:1996 number:1 month:12 pages:225-230 https://dx.doi.org/10.1557/PROC-460-225 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 460 1996 1 12 225-230 |
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10.1557/PROC-460-225 doi (DE-627)SPR041828623 (SPR)PROC-460-225-e DE-627 ger DE-627 rakwb eng 670 ASE Tomasi, A. verfasserin aut Influence of Si and W Additions on High Temperature Oxidation of γ-$ α_{2} $ Ti-Al Alloys 1996 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Titanium aluminides have potential interest for high temperature applications because of their low density and high temperature strength. In this study the isothermal oxidation behavior in air and in the temperature range 700-850°C of γ-$ α_{2} $Ti-Al bulk alloys with different additions of W (0-9.5 wt.%) and Si (0-5.0 wt.%) was investigated. The samples were prepared by arc-melting starting from pure element powders (99.99%). After thermal treatments, for homogenisation and phase stabilisation, the samples were tested using a thermal analysis apparatus in order to evaluate their oxidation resistance. The oxidation rates show the beneficial effect of the W and Si additions. The growth and adherence of the protective scale on alloys have been investigated in conjunction with detailed oxide scale characterisation using the techniques of scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results of the study are used for critical assessment of the oxidation mechanisms leading to the formation of surface layers of different compositions. Noseda, C. verfasserin aut Nazmy, M. verfasserin aut Gialanella, S. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 460(1996), 1 vom: Dez., Seite 225-230 (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:460 year:1996 number:1 month:12 pages:225-230 https://dx.doi.org/10.1557/PROC-460-225 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 460 1996 1 12 225-230 |
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10.1557/PROC-460-225 doi (DE-627)SPR041828623 (SPR)PROC-460-225-e DE-627 ger DE-627 rakwb eng 670 ASE Tomasi, A. verfasserin aut Influence of Si and W Additions on High Temperature Oxidation of γ-$ α_{2} $ Ti-Al Alloys 1996 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Titanium aluminides have potential interest for high temperature applications because of their low density and high temperature strength. In this study the isothermal oxidation behavior in air and in the temperature range 700-850°C of γ-$ α_{2} $Ti-Al bulk alloys with different additions of W (0-9.5 wt.%) and Si (0-5.0 wt.%) was investigated. The samples were prepared by arc-melting starting from pure element powders (99.99%). After thermal treatments, for homogenisation and phase stabilisation, the samples were tested using a thermal analysis apparatus in order to evaluate their oxidation resistance. The oxidation rates show the beneficial effect of the W and Si additions. The growth and adherence of the protective scale on alloys have been investigated in conjunction with detailed oxide scale characterisation using the techniques of scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results of the study are used for critical assessment of the oxidation mechanisms leading to the formation of surface layers of different compositions. Noseda, C. verfasserin aut Nazmy, M. verfasserin aut Gialanella, S. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 460(1996), 1 vom: Dez., Seite 225-230 (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:460 year:1996 number:1 month:12 pages:225-230 https://dx.doi.org/10.1557/PROC-460-225 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 460 1996 1 12 225-230 |
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10.1557/PROC-460-225 doi (DE-627)SPR041828623 (SPR)PROC-460-225-e DE-627 ger DE-627 rakwb eng 670 ASE Tomasi, A. verfasserin aut Influence of Si and W Additions on High Temperature Oxidation of γ-$ α_{2} $ Ti-Al Alloys 1996 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Titanium aluminides have potential interest for high temperature applications because of their low density and high temperature strength. In this study the isothermal oxidation behavior in air and in the temperature range 700-850°C of γ-$ α_{2} $Ti-Al bulk alloys with different additions of W (0-9.5 wt.%) and Si (0-5.0 wt.%) was investigated. The samples were prepared by arc-melting starting from pure element powders (99.99%). After thermal treatments, for homogenisation and phase stabilisation, the samples were tested using a thermal analysis apparatus in order to evaluate their oxidation resistance. The oxidation rates show the beneficial effect of the W and Si additions. The growth and adherence of the protective scale on alloys have been investigated in conjunction with detailed oxide scale characterisation using the techniques of scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results of the study are used for critical assessment of the oxidation mechanisms leading to the formation of surface layers of different compositions. Noseda, C. verfasserin aut Nazmy, M. verfasserin aut Gialanella, S. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 460(1996), 1 vom: Dez., Seite 225-230 (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:460 year:1996 number:1 month:12 pages:225-230 https://dx.doi.org/10.1557/PROC-460-225 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 460 1996 1 12 225-230 |
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10.1557/PROC-460-225 doi (DE-627)SPR041828623 (SPR)PROC-460-225-e DE-627 ger DE-627 rakwb eng 670 ASE Tomasi, A. verfasserin aut Influence of Si and W Additions on High Temperature Oxidation of γ-$ α_{2} $ Ti-Al Alloys 1996 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Titanium aluminides have potential interest for high temperature applications because of their low density and high temperature strength. In this study the isothermal oxidation behavior in air and in the temperature range 700-850°C of γ-$ α_{2} $Ti-Al bulk alloys with different additions of W (0-9.5 wt.%) and Si (0-5.0 wt.%) was investigated. The samples were prepared by arc-melting starting from pure element powders (99.99%). After thermal treatments, for homogenisation and phase stabilisation, the samples were tested using a thermal analysis apparatus in order to evaluate their oxidation resistance. The oxidation rates show the beneficial effect of the W and Si additions. The growth and adherence of the protective scale on alloys have been investigated in conjunction with detailed oxide scale characterisation using the techniques of scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results of the study are used for critical assessment of the oxidation mechanisms leading to the formation of surface layers of different compositions. Noseda, C. verfasserin aut Nazmy, M. verfasserin aut Gialanella, S. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 460(1996), 1 vom: Dez., Seite 225-230 (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:460 year:1996 number:1 month:12 pages:225-230 https://dx.doi.org/10.1557/PROC-460-225 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 460 1996 1 12 225-230 |
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Abstract Titanium aluminides have potential interest for high temperature applications because of their low density and high temperature strength. In this study the isothermal oxidation behavior in air and in the temperature range 700-850°C of γ-$ α_{2} $Ti-Al bulk alloys with different additions of W (0-9.5 wt.%) and Si (0-5.0 wt.%) was investigated. The samples were prepared by arc-melting starting from pure element powders (99.99%). After thermal treatments, for homogenisation and phase stabilisation, the samples were tested using a thermal analysis apparatus in order to evaluate their oxidation resistance. The oxidation rates show the beneficial effect of the W and Si additions. The growth and adherence of the protective scale on alloys have been investigated in conjunction with detailed oxide scale characterisation using the techniques of scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results of the study are used for critical assessment of the oxidation mechanisms leading to the formation of surface layers of different compositions. |
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Abstract Titanium aluminides have potential interest for high temperature applications because of their low density and high temperature strength. In this study the isothermal oxidation behavior in air and in the temperature range 700-850°C of γ-$ α_{2} $Ti-Al bulk alloys with different additions of W (0-9.5 wt.%) and Si (0-5.0 wt.%) was investigated. The samples were prepared by arc-melting starting from pure element powders (99.99%). After thermal treatments, for homogenisation and phase stabilisation, the samples were tested using a thermal analysis apparatus in order to evaluate their oxidation resistance. The oxidation rates show the beneficial effect of the W and Si additions. The growth and adherence of the protective scale on alloys have been investigated in conjunction with detailed oxide scale characterisation using the techniques of scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results of the study are used for critical assessment of the oxidation mechanisms leading to the formation of surface layers of different compositions. |
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Abstract Titanium aluminides have potential interest for high temperature applications because of their low density and high temperature strength. In this study the isothermal oxidation behavior in air and in the temperature range 700-850°C of γ-$ α_{2} $Ti-Al bulk alloys with different additions of W (0-9.5 wt.%) and Si (0-5.0 wt.%) was investigated. The samples were prepared by arc-melting starting from pure element powders (99.99%). After thermal treatments, for homogenisation and phase stabilisation, the samples were tested using a thermal analysis apparatus in order to evaluate their oxidation resistance. The oxidation rates show the beneficial effect of the W and Si additions. The growth and adherence of the protective scale on alloys have been investigated in conjunction with detailed oxide scale characterisation using the techniques of scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results of the study are used for critical assessment of the oxidation mechanisms leading to the formation of surface layers of different compositions. |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">SPR041828623</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20220112052438.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">201107s1996 xx |||||o 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1557/PROC-460-225</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)SPR041828623</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SPR)PROC-460-225-e</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">670</subfield><subfield code="q">ASE</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Tomasi, A.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Influence of Si and W Additions on High Temperature Oxidation of γ-$ α_{2} $ Ti-Al Alloys</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">1996</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract Titanium aluminides have potential interest for high temperature applications because of their low density and high temperature strength. In this study the isothermal oxidation behavior in air and in the temperature range 700-850°C of γ-$ α_{2} $Ti-Al bulk alloys with different additions of W (0-9.5 wt.%) and Si (0-5.0 wt.%) was investigated. The samples were prepared by arc-melting starting from pure element powders (99.99%). After thermal treatments, for homogenisation and phase stabilisation, the samples were tested using a thermal analysis apparatus in order to evaluate their oxidation resistance. The oxidation rates show the beneficial effect of the W and Si additions. The growth and adherence of the protective scale on alloys have been investigated in conjunction with detailed oxide scale characterisation using the techniques of scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results of the study are used for critical assessment of the oxidation mechanisms leading to the formation of surface layers of different compositions.</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Noseda, C.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Nazmy, M.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Gialanella, S.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">MRS online proceedings library</subfield><subfield code="d">Warrendale, Pa. : MRS, 1998</subfield><subfield code="g">460(1996), 1 vom: Dez., Seite 225-230</subfield><subfield code="w">(DE-627)57782046X</subfield><subfield code="w">(DE-600)2451008-7</subfield><subfield code="x">1946-4274</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:460</subfield><subfield code="g">year:1996</subfield><subfield code="g">number:1</subfield><subfield code="g">month:12</subfield><subfield code="g">pages:225-230</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://dx.doi.org/10.1557/PROC-460-225</subfield><subfield code="z">lizenzpflichtig</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_SPRINGER</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_2005</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">460</subfield><subfield code="j">1996</subfield><subfield code="e">1</subfield><subfield code="c">12</subfield><subfield code="h">225-230</subfield></datafield></record></collection>
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7.399687 |