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Evaluation of Agglomeration Mechanisms of Non-metallic Inclusions and Cluster Characteristics Produced by Ti/Al Complex Deoxidation in Fe-10mass% Ni Alloy
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
2016 (English)In: ISIJ International, ISSN 0915-1559, E-ISSN 1347-5460, Vol. 56, no 7, 1204-1209 p.Article in journal (Refereed) Published
Abstract [en]

The characteristics of non-metallic single inclusions and clusters formed in a Fe-10mass% Ni alloy deoxidized with Ti, Al and Ti/AI were investigated. Laboratory experiments were performed, and samples were taken after deoxidation. The composition, number and size of the single inclusions and clusters in the samples were determined using SEM in combination with EDX. The agglomeration mechanism and collision rates of inclusions and clusters were considered in the Al and Ti/AI deoxidation experiments. The obtained results showed that the number and average size of clusters in all samples of the complex Ti/AI experiment are drastically smaller than those in the Al experiment. The Brownian, Stokes' and turbulent collisions between particle-particle in clusters, particle-cluster and cluster-cluster were evaluated to determine the cluster formation in the different deoxidation experiments depending on the holding time.

Place, publisher, year, edition, pages
Iron and Steel Institute of Japan , 2016. Vol. 56, no 7, 1204-1209 p.
Keyword [en]
Ti/Al deoxidation, non-metallic inclusions, cluster, agglomeration, electrolytic extraction, collision rate
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-192420DOI: 10.2355/isijinternational.ISIJINT-2016-030ISI: 000380415600012ScopusID: 2-s2.0-84982293359OAI: oai:DiVA.org:kth-192420DiVA: diva2:968662
Note

QC 20160912

Available from: 2016-09-12 Created: 2016-09-12 Last updated: 2016-09-12Bibliographically approved

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Xuan, ChangjiKarasev, Andrey VladinniroyichJönsson, Pär Göran
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