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dc.contributor.authorToumpis, Athanasios I.-
dc.contributor.authorGalloway, Alexander M.-
dc.contributor.authorCamilleri, Duncan-
dc.contributor.authorArbaoui, Larbi-
dc.date.accessioned2018-04-05T13:46:49Z-
dc.date.available2018-04-05T13:46:49Z-
dc.date.issued2015-
dc.identifier.citationToumpis, A. I., Galloway, A. M., Camilleri, D., & Arbaoui, L. (2015). Recent developments in steel friction stir welding: project HILDA. 2015 International Mechanical Engineering Congress and Exposition, Houston. 1-11.en_GB
dc.identifier.urihttps://www.um.edu.mt/library/oar//handle/123456789/28805-
dc.description.abstractFriction stir welding of steel presents an array of advantages across many industrial sectors compared to conventional fusion welding techniques. Preliminary studies have identified many positive effects on the properties of welded steel components. However, the fundamental knowledge of the process in relation to structural steel remains relatively limited, hence industrial uptake has been essentially non-existent to this date. The European-funded project HILDA, the first of its kind in terms of breadth and depth, is concerned with enhancing the understanding of the process on low alloy steel, establishing its limits in terms of the two more significant parameters which can be directly controlled, tool traverse and rotational speed, thus improving its techno- economic competitiveness to fusion welding. A detailed study investigated the effect of process parameters on the evolved microstructure. In parallel, a full programme of mechanical testing was undertaken to generate data on hardness, impact toughness and fatigue. From this, it has been established that friction stir welding of steel produces high integrity joints that exhibit excellent fatigue properties. From a simulation perspective, a local microstructural numerical model has been developed to predict the microstructural evolution within the weld zone during friction stir welding of low alloy steel. This model concentrates on predicting grain size evolution due to dynamic recrystallization with respect to tool traverse and rotational speed. Furthermore, a computational efficient local-global numerical model capable of predicting the thermal transients, stir and heat affected zone, residual stresses and distortion produced by friction stir welding of DH36 plates is presented.en_GB
dc.language.isoenen_GB
dc.publisherAmerican Society of Mechanical Engineersen_GB
dc.rightsinfo:eu-repo/semantics/openAccessen_GB
dc.subjectFriction stir weldingen_GB
dc.subjectComputational fluid dynamicsen_GB
dc.subjectRecrystallization (metallurgy)en_GB
dc.subjectFinite element method -- Data processingen_GB
dc.titleRecent developments in steel friction stir welding : project HILDAen_GB
dc.typeconferenceObjecten_GB
dc.rights.holderThe copyright of this work belongs to the author(s)/publisher. The rights of this work are as defined by the appropriate Copyright Legislation or as modified by any successive legislation. Users may access this work and can make use of the information contained in accordance with the Copyright Legislation provided that the author must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the prior permission of the copyright holderen_GB
dc.bibliographicCitation.conferencename2015 International Mechanical Engineering Congress and Expositionen_GB
dc.bibliographicCitation.conferenceplaceHouston, Texas, 13-19/11/2015en_GB
dc.description.reviewedpeer-revieweden_GB
dc.identifier.doi10.1115/IMECE2015-51349-
Appears in Collections:Scholarly Works - FacEngME

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