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Characterization of...
Characterization of austenitic stainless steels deformed at elevated temperature
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- Calmunger, Mattias (författare)
- Linköpings universitet,Konstruktionsmaterial,Tekniska fakulteten
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- Chai, Guocai (författare)
- Linköpings universitet,Konstruktionsmaterial,Tekniska fakulteten,Sandvik Materials Technology, Sandviken, Sweden
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- Eriksson, Robert (författare)
- Linköpings universitet,Mekanik och hållfasthetslära,Tekniska fakulteten
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- Johansson, Sten (författare)
- Linköpings universitet,Konstruktionsmaterial,Tekniska fakulteten
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- Moverare, Johan J. (författare)
- Linköpings universitet,Konstruktionsmaterial,Tekniska fakulteten
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(creator_code:org_t)
- 2017-07-17
- 2017
- Engelska.
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Ingår i: Metallurgical and Materials Transactions. A. - : Springer-Verlag New York. - 1073-5623 .- 1543-1940. ; 48A:10, s. 4525-4538
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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https://link.springe...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Highly alloyed austenitic stainless steels are promising candidates to replace more expansive nickel-based alloys within the energy-producing industry. The present study investigates the deformation mechanisms by microstructural characterisation, mechanical properties and stress-strain response of three commercial austenitic stainless steels and two commercial nickel-based alloys using uniaxial tensile tests at elevated temperatures from 400 C up to 700 C. The materials showed different influence of temperature on ductility, where the ductility at elevated temperatures increased with increasing nickel and solid solution hardening element content. The investigated materials showed planar dislocation driven deformation at elevated temperature. Scanning electron microscopy showed that deformation twins were an active deformation mechanism in austenitic stainless steels during tensile deformation at elevated temperatures up to 700 C.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
Nyckelord
- Austenitic stainless steel
- Nickel-based alloy
- Microstructural characterization
- Deformation twinning
- Stress-strain response
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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