High-Temperature Deformation of Uniaxially Aligned Lamellar TiAl/Ti3Al
Abstract Uniaxially aligned polysynthetically twinned two-phase TiAl/$ Ti_{3} $Al material is produced by induction zone melting and deformed in uniaxial compression. Above 1000 K the strain rate sensitivity is independent of the lamellar orientation and increases strongly with increasing deformatio...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Heinrich, H. [verfasserIn] Abbcherdi, V. [verfasserIn] Wilkins, D. J. [verfasserIn] Kostorz, G. [verfasserIn] |
|---|
| Format: |
E-Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
1998 |
|---|
| Übergeordnetes Werk: |
Enthalten in: MRS online proceedings library - Warrendale, Pa. : MRS, 1998, 552(1998), 1 vom: Dez. |
|---|---|
| Übergeordnetes Werk: |
volume:552 ; year:1998 ; number:1 ; month:12 |
| Links: |
|---|
| DOI / URN: |
10.1557/PROC-552-KK1.4.1 |
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SPR04244697X |
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| 520 | |a Abstract Uniaxially aligned polysynthetically twinned two-phase TiAl/$ Ti_{3} $Al material is produced by induction zone melting and deformed in uniaxial compression. Above 1000 K the strain rate sensitivity is independent of the lamellar orientation and increases strongly with increasing deformation temperature. Results for the strain rate sensitivity parameters are somewhat lower than those obtained for γ-TiAl single- and polycrystals. If the lamellae are oriented parallel or perpendicular to the deformation axis, the flow stress decreases with increasing strain. After plastic deformation the dislocation density in the lamellae is remarkably low indicating recovery processes. At the lamellar interfaces misfit dislocations and periodic arrangements of dislocations with Burgers vectors inclined to the lamellar boundaries are found. In contrast to deformation at lower temperatures, deformation twinning is rare. | ||
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10.1557/PROC-552-KK1.4.1 doi (DE-627)SPR04244697X (DE-599)SPRPROC-552-KK1.4.1-e (SPR)PROC-552-KK1.4.1-e DE-627 ger DE-627 rakwb eng 670 ASE Heinrich, H. verfasserin aut High-Temperature Deformation of Uniaxially Aligned Lamellar TiAl/Ti3Al 1998 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Uniaxially aligned polysynthetically twinned two-phase TiAl/$ Ti_{3} $Al material is produced by induction zone melting and deformed in uniaxial compression. Above 1000 K the strain rate sensitivity is independent of the lamellar orientation and increases strongly with increasing deformation temperature. Results for the strain rate sensitivity parameters are somewhat lower than those obtained for γ-TiAl single- and polycrystals. If the lamellae are oriented parallel or perpendicular to the deformation axis, the flow stress decreases with increasing strain. After plastic deformation the dislocation density in the lamellae is remarkably low indicating recovery processes. At the lamellar interfaces misfit dislocations and periodic arrangements of dislocations with Burgers vectors inclined to the lamellar boundaries are found. In contrast to deformation at lower temperatures, deformation twinning is rare. Abbcherdi, V. verfasserin aut Wilkins, D. J. verfasserin aut Kostorz, G. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 552(1998), 1 vom: Dez. (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:552 year:1998 number:1 month:12 https://dx.doi.org/10.1557/PROC-552-KK1.4.1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 552 1998 1 12 |
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10.1557/PROC-552-KK1.4.1 doi (DE-627)SPR04244697X (DE-599)SPRPROC-552-KK1.4.1-e (SPR)PROC-552-KK1.4.1-e DE-627 ger DE-627 rakwb eng 670 ASE Heinrich, H. verfasserin aut High-Temperature Deformation of Uniaxially Aligned Lamellar TiAl/Ti3Al 1998 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Uniaxially aligned polysynthetically twinned two-phase TiAl/$ Ti_{3} $Al material is produced by induction zone melting and deformed in uniaxial compression. Above 1000 K the strain rate sensitivity is independent of the lamellar orientation and increases strongly with increasing deformation temperature. Results for the strain rate sensitivity parameters are somewhat lower than those obtained for γ-TiAl single- and polycrystals. If the lamellae are oriented parallel or perpendicular to the deformation axis, the flow stress decreases with increasing strain. After plastic deformation the dislocation density in the lamellae is remarkably low indicating recovery processes. At the lamellar interfaces misfit dislocations and periodic arrangements of dislocations with Burgers vectors inclined to the lamellar boundaries are found. In contrast to deformation at lower temperatures, deformation twinning is rare. Abbcherdi, V. verfasserin aut Wilkins, D. J. verfasserin aut Kostorz, G. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 552(1998), 1 vom: Dez. (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:552 year:1998 number:1 month:12 https://dx.doi.org/10.1557/PROC-552-KK1.4.1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 552 1998 1 12 |
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10.1557/PROC-552-KK1.4.1 doi (DE-627)SPR04244697X (DE-599)SPRPROC-552-KK1.4.1-e (SPR)PROC-552-KK1.4.1-e DE-627 ger DE-627 rakwb eng 670 ASE Heinrich, H. verfasserin aut High-Temperature Deformation of Uniaxially Aligned Lamellar TiAl/Ti3Al 1998 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Uniaxially aligned polysynthetically twinned two-phase TiAl/$ Ti_{3} $Al material is produced by induction zone melting and deformed in uniaxial compression. Above 1000 K the strain rate sensitivity is independent of the lamellar orientation and increases strongly with increasing deformation temperature. Results for the strain rate sensitivity parameters are somewhat lower than those obtained for γ-TiAl single- and polycrystals. If the lamellae are oriented parallel or perpendicular to the deformation axis, the flow stress decreases with increasing strain. After plastic deformation the dislocation density in the lamellae is remarkably low indicating recovery processes. At the lamellar interfaces misfit dislocations and periodic arrangements of dislocations with Burgers vectors inclined to the lamellar boundaries are found. In contrast to deformation at lower temperatures, deformation twinning is rare. Abbcherdi, V. verfasserin aut Wilkins, D. J. verfasserin aut Kostorz, G. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 552(1998), 1 vom: Dez. (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:552 year:1998 number:1 month:12 https://dx.doi.org/10.1557/PROC-552-KK1.4.1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 552 1998 1 12 |
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10.1557/PROC-552-KK1.4.1 doi (DE-627)SPR04244697X (DE-599)SPRPROC-552-KK1.4.1-e (SPR)PROC-552-KK1.4.1-e DE-627 ger DE-627 rakwb eng 670 ASE Heinrich, H. verfasserin aut High-Temperature Deformation of Uniaxially Aligned Lamellar TiAl/Ti3Al 1998 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Uniaxially aligned polysynthetically twinned two-phase TiAl/$ Ti_{3} $Al material is produced by induction zone melting and deformed in uniaxial compression. Above 1000 K the strain rate sensitivity is independent of the lamellar orientation and increases strongly with increasing deformation temperature. Results for the strain rate sensitivity parameters are somewhat lower than those obtained for γ-TiAl single- and polycrystals. If the lamellae are oriented parallel or perpendicular to the deformation axis, the flow stress decreases with increasing strain. After plastic deformation the dislocation density in the lamellae is remarkably low indicating recovery processes. At the lamellar interfaces misfit dislocations and periodic arrangements of dislocations with Burgers vectors inclined to the lamellar boundaries are found. In contrast to deformation at lower temperatures, deformation twinning is rare. Abbcherdi, V. verfasserin aut Wilkins, D. J. verfasserin aut Kostorz, G. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 552(1998), 1 vom: Dez. (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:552 year:1998 number:1 month:12 https://dx.doi.org/10.1557/PROC-552-KK1.4.1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 552 1998 1 12 |
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10.1557/PROC-552-KK1.4.1 doi (DE-627)SPR04244697X (DE-599)SPRPROC-552-KK1.4.1-e (SPR)PROC-552-KK1.4.1-e DE-627 ger DE-627 rakwb eng 670 ASE Heinrich, H. verfasserin aut High-Temperature Deformation of Uniaxially Aligned Lamellar TiAl/Ti3Al 1998 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Uniaxially aligned polysynthetically twinned two-phase TiAl/$ Ti_{3} $Al material is produced by induction zone melting and deformed in uniaxial compression. Above 1000 K the strain rate sensitivity is independent of the lamellar orientation and increases strongly with increasing deformation temperature. Results for the strain rate sensitivity parameters are somewhat lower than those obtained for γ-TiAl single- and polycrystals. If the lamellae are oriented parallel or perpendicular to the deformation axis, the flow stress decreases with increasing strain. After plastic deformation the dislocation density in the lamellae is remarkably low indicating recovery processes. At the lamellar interfaces misfit dislocations and periodic arrangements of dislocations with Burgers vectors inclined to the lamellar boundaries are found. In contrast to deformation at lower temperatures, deformation twinning is rare. Abbcherdi, V. verfasserin aut Wilkins, D. J. verfasserin aut Kostorz, G. verfasserin aut Enthalten in MRS online proceedings library Warrendale, Pa. : MRS, 1998 552(1998), 1 vom: Dez. (DE-627)57782046X (DE-600)2451008-7 1946-4274 nnns volume:552 year:1998 number:1 month:12 https://dx.doi.org/10.1557/PROC-552-KK1.4.1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_2005 AR 552 1998 1 12 |
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High-Temperature Deformation of Uniaxially Aligned Lamellar TiAl/Ti3Al |
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Abstract Uniaxially aligned polysynthetically twinned two-phase TiAl/$ Ti_{3} $Al material is produced by induction zone melting and deformed in uniaxial compression. Above 1000 K the strain rate sensitivity is independent of the lamellar orientation and increases strongly with increasing deformation temperature. Results for the strain rate sensitivity parameters are somewhat lower than those obtained for γ-TiAl single- and polycrystals. If the lamellae are oriented parallel or perpendicular to the deformation axis, the flow stress decreases with increasing strain. After plastic deformation the dislocation density in the lamellae is remarkably low indicating recovery processes. At the lamellar interfaces misfit dislocations and periodic arrangements of dislocations with Burgers vectors inclined to the lamellar boundaries are found. In contrast to deformation at lower temperatures, deformation twinning is rare. |
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Abstract Uniaxially aligned polysynthetically twinned two-phase TiAl/$ Ti_{3} $Al material is produced by induction zone melting and deformed in uniaxial compression. Above 1000 K the strain rate sensitivity is independent of the lamellar orientation and increases strongly with increasing deformation temperature. Results for the strain rate sensitivity parameters are somewhat lower than those obtained for γ-TiAl single- and polycrystals. If the lamellae are oriented parallel or perpendicular to the deformation axis, the flow stress decreases with increasing strain. After plastic deformation the dislocation density in the lamellae is remarkably low indicating recovery processes. At the lamellar interfaces misfit dislocations and periodic arrangements of dislocations with Burgers vectors inclined to the lamellar boundaries are found. In contrast to deformation at lower temperatures, deformation twinning is rare. |
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Abstract Uniaxially aligned polysynthetically twinned two-phase TiAl/$ Ti_{3} $Al material is produced by induction zone melting and deformed in uniaxial compression. Above 1000 K the strain rate sensitivity is independent of the lamellar orientation and increases strongly with increasing deformation temperature. Results for the strain rate sensitivity parameters are somewhat lower than those obtained for γ-TiAl single- and polycrystals. If the lamellae are oriented parallel or perpendicular to the deformation axis, the flow stress decreases with increasing strain. After plastic deformation the dislocation density in the lamellae is remarkably low indicating recovery processes. At the lamellar interfaces misfit dislocations and periodic arrangements of dislocations with Burgers vectors inclined to the lamellar boundaries are found. In contrast to deformation at lower temperatures, deformation twinning is rare. |
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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">SPR04244697X</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20220112052640.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">201219s1998 xx |||||o 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1557/PROC-552-KK1.4.1</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)SPR04244697X</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)SPRPROC-552-KK1.4.1-e</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SPR)PROC-552-KK1.4.1-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">Heinrich, H.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">High-Temperature Deformation of Uniaxially Aligned Lamellar TiAl/Ti3Al</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">1998</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 Uniaxially aligned polysynthetically twinned two-phase TiAl/$ Ti_{3} $Al material is produced by induction zone melting and deformed in uniaxial compression. Above 1000 K the strain rate sensitivity is independent of the lamellar orientation and increases strongly with increasing deformation temperature. Results for the strain rate sensitivity parameters are somewhat lower than those obtained for γ-TiAl single- and polycrystals. If the lamellae are oriented parallel or perpendicular to the deformation axis, the flow stress decreases with increasing strain. After plastic deformation the dislocation density in the lamellae is remarkably low indicating recovery processes. At the lamellar interfaces misfit dislocations and periodic arrangements of dislocations with Burgers vectors inclined to the lamellar boundaries are found. 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