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Complete precipitat...
Complete precipitate dissolution during adiabatic shear localisation in a Ni-based superalloy
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- Hörnqvist Colliander, Magnus, 1979 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Sundell, Gustav, 1985 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Thuvander, Mattias, 1968 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2020-09-21
- 2020
- Engelska.
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Ingår i: Philosophical Magazine Letters. - : Informa UK Limited. - 0950-0839 .- 1362-3036. ; 100:12, s. 561-570
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Abstract
Ämnesord
Stäng
- Whereas microstructure evolution in adiabatic shear bands have been thoroughly studied, reports on the stability of hardening precipitates during shear localisation are scarce. We report an atomic scale investigation of solute distribution in adiabatic shear bands in a precipitation strengthened Ni-Fe-based superalloy, showing that the hardening particles are completely dissolved. Temperature estimations indicate that peak temperatures in the shear band above the solvus limits of the precipitates are not unrealistic, and thus diffusion-assisted transformations during the severe plastic deformation cannot be ruled out.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Teknisk mekanik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Applied Mechanics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Nyckelord
- atom probe tomography
- Adiabatic shear bands
- precipitation
- superalloy
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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