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Accounting for anis...
Accounting for anisotropic, anisothermal, and inelastic effects in crack initiation lifing of additively manufactured components
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- Lindström, Thomas, 1991- (författare)
- Linköpings universitet,Mekanik och hållfasthetslära,Tekniska fakulteten
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- Nilsson, Daniel (författare)
- Siemens Energy AB, Sweden
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- Simonsson, Kjell, Professor, 1964- (författare)
- Linköpings universitet,Mekanik och hållfasthetslära,Tekniska fakulteten
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- Eriksson, Robert, 1982- (författare)
- Linköpings universitet,Mekanik och hållfasthetslära,Tekniska fakulteten
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- Lundgren, Jan-Erik (författare)
- Siemens Energy AB, Sweden
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- Leidermark, Daniel, 1980- (författare)
- Linköpings universitet,Mekanik och hållfasthetslära,Tekniska fakulteten
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(creator_code:org_t)
- 2022-11-06
- 2023
- Engelska.
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Ingår i: Fatigue & Fracture of Engineering Materials & Structures. - : Wiley. - 8756-758X .- 1460-2695. ; 46:2, s. 396-415
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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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
- The crack initiation life of a ductile additively manufactured nickel-based superalloy is studied and modeled for low-cycle fatigue and thermomechanical fatigue conditions up to 600 degrees C. Isothermal experiments were performed on smooth specimens at temperatures up to 600 degrees C with different applied strain ranges. Additionally, thermomechanical fatigue experiments at 100-450 degrees C and 100-600 degrees C were performed on smooth specimens under in-phase and out-of-phase conditions. A life prediction model accounting for the anisotropy was developed, where the temperature cycle is accounted with a Delta T$$ \Delta T $$-functionality, generating good agreements with the experiments. The model was also validated on notched specimens undergoing thermomechanical fatigue conditions at 100-500 degrees C using simplified notch correction methods.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Teknisk mekanik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Applied Mechanics (hsv//eng)
Nyckelord
- anisotropy; fatigue life prediction; low-cycle fatigue; thermomechanical fatigue; cycling
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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