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Particles precipitation in Ti and Al deoxidized Hadfield steels
Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.ORCID iD: 0000-0002-3671-8087
Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.ORCID iD: 0000-0003-2929-7891
Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.ORCID iD: 0000-0002-0101-0062
Swerea SWECAST AB.
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2016 (English)In: Steel Research International, ISSN 1611-3683, E-ISSN 1869-344X, Vol. 87, no 10, 1344-1355 p.Article in journal (Refereed) Published
Abstract [en]

The characteristics and precipitation mechanism of particles in titanium and aluminum treated Hadfield steel casted during pilot scale experiments have been studied. Light Optical Microscopy (LOM), Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray Spectroscopy (EDS) were utilized for the particle analysis and characterization. Additionally, thermodynamic equilibrium calculations were performed using Thermo-Calc software. Aluminum oxides, titanium carbon nitrides, titanium carbides and manganese sulfides were the main types of particles found. The order of precipitation during solidification and chemical composition range of each type of particle was determined. Aluminum Oxides were found to act as nucleation sites fortitanium carbon nitrides. Thermodynamic equilibrium calculation for particles characteristics were in good agreement with the experimental findings. Titanium carbides were found to form during initial stages of the Ferro-titanium additions dissolution.

Place, publisher, year, edition, pages
John Wiley & Sons, 2016. Vol. 87, no 10, 1344-1355 p.
Keyword [en]
Hadfield steel; particles; Titanium; Aluminum; Deoxidation
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:hj:diva-29401DOI: 10.1002/srin.201500400ISI: 000387017200011Scopus ID: 2-s2.0-84959496093OAI: oai:DiVA.org:hj-29401DiVA: diva2:903244
Projects
InDeGrainS
Funder
Knowledge Foundation, 20130149
Available from: 2016-02-15 Created: 2016-02-15 Last updated: 2017-01-27Bibliographically approved

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Siafakas, DimitriosMatsushita, TaishiJarfors, Anders
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Citation style
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