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Recent Aspects on the Effect of Inclusion Characteristics on the Intragranular Ferrite Formation in Low Alloy Steels: A Review
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering. McMaster University, Canada.ORCID iD: 0000-0003-0533-6729
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
2017 (English)In: High Temperature Materials and Processes, ISSN 0334-6455, E-ISSN 2191-0324, Vol. 36, no 4, 309-325 p.Article in journal (Refereed) Published
Abstract [en]

Intragranular ferrite (IGF), which nucleates from specific inclusion surfaces in low alloy steels, is the desired microstructure to improve mechanical properties of steel such as the toughness. This microstructure is especially important in the coarse grain heat affected zone (CGHAZ) of weldments. The latest review paper focusing on the role of non-metallic inclusions in the IGF formation in steels has been reported by Sarma et al. in 2009 (ISIJ int., 49(2009), 1063-1074). In recent years, large amount of papers have been presented to investigate different issues of this topic. This paper mainly highlights the frontiers of experimental and theoretical investigations on the effects of inclusion characteristics, such as the composition, size distribution and number density, on the IGF formation in low carbon low-alloyed steels, undertaken by the group of Applied Process Metallurgy, KTH Royal Institute of Technology. Related results reported in previous studies are also introduced. Also, plausible future work regarding various items of IGF formation is mentioned in each section. This work aims to give a better control of improving the steel quality during casting and in the heat affected zone (HAZ) of weldment, according to the concept of oxide metallurgy.

Place, publisher, year, edition, pages
WALTER DE GRUYTER GMBH , 2017. Vol. 36, no 4, 309-325 p.
Keyword [en]
inclusion, intragranular ferrite (IGF), nucleation, growth, steel, oxide metallurgy
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-206269DOI: 10.1515/htmp-2016-0175ISI: 000398666500002ScopusID: 2-s2.0-85016999859OAI: oai:DiVA.org:kth-206269DiVA: diva2:1095235
Note

QC 20170512

Available from: 2017-05-12 Created: 2017-05-12 Last updated: 2017-05-12Bibliographically approved

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