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Modelling and simulations of ductile iron solidification-induced variations in mechanical behaviour on component and microstructural level
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
Jönköping University, School of Engineering, JTH, Product Development. Jönköping University, School of Engineering, JTH. Research area Product Development - Simulation and Optimization.
Jönköping University, School of Engineering, JTH, Materials and Manufacturing. Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.
2015 (English)In: IOP Conference Series: Materials Science and Engineering, Volume 84: MCWASP XIV: International Conference on Modeling of Casting, Welding and Advanced Solidification Processes / [ed] Hideyuki Yasuda, Kyoto University, Japan, London: Institute of Physics Publishing (IOPP), 2015, Vol. 84, 1-8 p.Conference paper, Published paper (Refereed)
Abstract [en]

The mechanical behaviour and performance of a ductile iron component is highly dependent on the local variations in solidification conditions during the casting process. Here we show a framework which combine a previously developed closed chain of simulations for cast components with a micro-scale Finite Element Method (FEM) simulation of the behaviour and performance of the microstructure. A casting process simulation, including modelling of solidification and mechanical material characterization, provides the basis for a macro-scale FEM analysis of the component. A critical region is identified to which the micro-scale FEM simulation of a representative microstructure, generated using X-ray tomography, is applied. The mechanical behaviour of the different microstructural phases are determined using a surrogate model based optimisation routine and experimental data. It is discussed that the approach enables a link between solidification- and microstructure-models and simulations of as well component as microstructural behaviour, and can contribute with new understanding regarding the behaviour and performance of different microstructural phases and morphologies in industrial ductile iron components in service.

Place, publisher, year, edition, pages
London: Institute of Physics Publishing (IOPP), 2015. Vol. 84, 1-8 p.
Series
IOP Conference Series, ISSN 1757-8981 ; 84
National Category
Metallurgy and Metallic Materials Applied Mechanics
Identifiers
URN: urn:nbn:se:hj:diva-27783DOI: 10.1088/1757-899X/84/1/012026ISI: 000357879700026Scopus ID: 2-s2.0-84939538367OAI: oai:DiVA.org:hj-27783DiVA: diva2:849128
Conference
MCWASP XIV: International Conference on Modeling of Casting, Welding and Advanced Solidification Processes, Awaji island, Hyogo, Japan, 21–26 June, 2015
Available from: 2015-08-27 Created: 2015-08-27 Last updated: 2017-08-14Bibliographically approved

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Olofsson, JakobSalomonsson, KentSvensson, Ingvar L.

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JTH, Materials and ManufacturingJTH. Research area Materials and manufacturing – CastingJTH, Product DevelopmentJTH. Research area Product Development - Simulation and Optimization
Metallurgy and Metallic MaterialsApplied Mechanics

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