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Analysis of Localized Plastic Strain in Heterogeneous Cast Iron Microstructures Using 3D Finite Element Simulations
Jönköping University, School of Engineering, JTH, Product Development. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.ORCID iD: 0000-0003-0899-8939
Jönköping University, School of Engineering, JTH, Materials and Manufacturing. Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.ORCID iD: 0000-0003-2671-9825
2017 (English)In: Proceedings of the 4th World Congress on Integrated Computational Materials Engineering, ICME 2017 / [ed] Paul Mason, Charles R Fisher, Ryan Glamm, Michele V Manuel, Georg J Schmitz, Amarendra K Singh, Alejandro Strachan, Cham: Springer, 2017, p. 217-225Conference paper, Published paper (Refereed)
Abstract [en]

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.

Place, publisher, year, edition, pages
Cham: Springer, 2017. p. 217-225
Series
Minerals Metals & Materials Series, E-ISSN 2367-1181
Keywords [en]
Cast iron; Microstructure; X-ray tomography; Characterization
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:hj:diva-38957DOI: 10.1007/978-3-319-57864-4\_20ISI: 000424820100020Scopus ID: 2-s2.0-85034665479ISBN: 9783319578637 (print)ISBN: 9783319578644 (print)OAI: oai:DiVA.org:hj-38957DiVA, id: diva2:1187706
Conference
4th World Congress on Integrated Computational Materials Engineering, ICME 2017, Ypsilanti, United States, 21-25 May 2017
Available from: 2018-03-05 Created: 2018-03-05 Last updated: 2018-08-17Bibliographically approved

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Salomonsson, KentOlofsson, Jakob

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JTH, Product DevelopmentJTH. Research area Product Development - Computer supported engineering designJTH, Materials and ManufacturingJTH. Research area Materials and manufacturing – Casting
Metallurgy and Metallic Materials

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