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Dynamic precipitati...
Dynamic precipitation at elevated temperatures in a dual-phase AlCoCrFeNi high-entropy alloy : an in situ study
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- Ghassemali, Ehsan, 1983- (författare)
- Jönköping University,JTH, Material och tillverkning
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- Sonkusare, Reshma (författare)
- Department of Materials Science and Engineering, Indian Institute of Technology, Kanpur, India
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- Biswas, Krishanu (författare)
- Department of Materials Science and Engineering, Indian Institute of Technology, Kanpur, India
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- Gurao, Nilesh P. (författare)
- Department of Materials Science and Engineering, Indian Institute of Technology, Kanpur, India
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(creator_code:org_t)
- 2019-01-06
- 2018
- Engelska.
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Ingår i: Philosophical Magazine Letters. - : Taylor & Francis. - 0950-0839 .- 1362-3036. ; 98:9, s. 400-409
- Relaterad länk:
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https://doi.org/10.1...
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https://www.tandfonl...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- The effect of a possible phase transformation or precipitation of the face-centred cubic (FCC) phase on intermediate-temperature deformation of a dual-phase AlCoCrFeNi high-entropy alloy has been studied using in situ tensile testing at 550°C. Electron backscatter diffraction (EBSD) results showed localised precipitation of the FCC phase during the intermediate-temperature deformation. The overall fracture behaviour and crack propagation of the material was not altered much compared to the room-temperature behaviour, namely brittle trans-granular fracture. Deformation at higher temperatures (above 750°C) is suggested as a way to enhance the dynamic FCC phase precipitation, in order to improve the ductility or deformability of the alloy.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
Nyckelord
- AlCoCrFeNi
- crack propagation
- EBSD
- fracture
- precipitation
- Aluminum alloys
- Chromium alloys
- Cobalt alloys
- Cracks
- Deformation
- Entropy
- Iron alloys
- Metal testing
- Tensile testing
- Dynamic precipitation
- Electron back scatter diffraction
- Elevated temperature
- High entropy alloys
- In-situ tensile testing
- Intermediate temperatures
- Precipitation (chemical)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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