Effect of Deformation Temperatures on High Temperature Tensile Instability of Austenitic Stainless Steel
Abstract: The characteristics of instability have been investigated on two low nickel austenite stainless steel at the temperatures of 950–1200 °C through the uniaxial tensile test and tensile unload test. The results show geometrical instability is not concurrent with load instability in high temperature tensile. The deformation of specimens are uniform before the load instability, then appear non-uniform in some local area of specimen but they do not directly lead to the geometric instability. With the increase of deformation temperature, load instability strain and strain hardening exponent n are both no obvious variation, and load instability true strain is close to n and depends on n. The geometric instability strain and strain rate sensitivity coefficient m both increase with the increase of temperature, and the strain between load instability and geometric instability depends on m and is the main part of the geometric instability strain.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Effect of Deformation Temperatures on High Temperature Tensile Instability of Austenitic Stainless Steel ; volume:33 ; number:5 ; year:2014 ; pages:463-468 ; extent:6
High temperature materials and processes ; 33, Heft 5 (2014), 463-468 (gesamt 6)
- Urheber
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Bian, Hongxia
Zhu, Liang
Zhou, Hui
Tu, Peng
- DOI
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10.1515/htmp-2013-0096
- URN
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urn:nbn:de:101:1-2501270522288.650317423002
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:27 MESZ
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Beteiligte
- Bian, Hongxia
- Zhu, Liang
- Zhou, Hui
- Tu, Peng
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