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Analysis of Localiz...
Analysis of Localized Plastic Strain in Heterogeneous Cast Iron Microstructures Using 3D Finite Element Simulations
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- Salomonsson, Kent (author)
- Jönköping University,JTH, Produktutveckling,JTH. Forskningsmiljö Produktutveckling - Simulering och optimering,Jönköping University, School of Engineering, Materials and Manufacturing, Jönköping, Sweden
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- Olofsson, Jakob, 1980- (author)
- Jönköping University,JTH, Material och tillverkning,JTH. Forskningsmiljö Material och tillverkning – Gjutning,Jönköping University, School of Engineering, Materials and Manufacturing, Jönköping, Sweden
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(creator_code:org_t)
- 2017-04-29
- 2017
- English.
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In: Proceedings of the 4th World Congress on Integrated Computational Materials Engineering (ICME 2017). - Cham : Springer. - 9783319578637 - 9783319578644 ; , s. 217-225
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The design and production of light structures in cast iron with high static and fatigue performance is of major interest in e.g. the automotive area. Since the casting process inevitably leads to heterogeneous solidification conditions and variations in microstructural features and material properties, the effects on multiple scale levels needs to be considered in the determination of the local fatigue performance. In the current work, microstructural features of different cast irons are captured by use of micro X-ray tomography, and 3D finite element models generated. The details of the 3D microstructure differ from the commonly used 2D representations in that the actual geometry is captured and that there is not a need to compensate for 3D-effects. The first objective with the present study is to try and highlight certain aspects at the micro scale that might be the underlying cause of fatigue crack initiation, and ultimately crack propagation, under fatigue loading for cast iron alloys. The second objective is to incorporate the gained knowledge about the microstructural behavior into multi-scale simulations at a structural length scale, including the local damage level obtained in the heterogeneous structure subjected to fatigue load.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Keyword
- Cast iron
- Microstructure
- X-ray tomography
- Characterization
Publication and Content Type
- ref (subject category)
- kon (subject category)
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