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Effect of Carbon Content on the Potency of the Intragranular Ferrite Formation
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.ORCID iD: 0000-0003-0533-6729
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.ORCID iD: 0000-0002-8493-9802
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: Steel Research International, ISSN 1611-3683, E-ISSN 1869-344X, Vol. 87, no 3, 311-319 p.Article in journal (Refereed) Published
Abstract [en]

The effect of the carbon content on the potency of the intragranular ferrite (IGF) formation for each inclusion size is investigated in the present work. The TiN inclusion was detected to be the effective nucleation site for the IGF formation in the Fe-0.2 mass% C alloy and the Fe-0.4 mass% C alloy. It is noted that the potency of the IGF formation for each inclusion size is decreased with the increase of carbon content. Moreover, the critical diameters of the TiN, TiO, and VN inclusions in the steels with different carbon contents are calculated based on the classical nucleation theory. The calculated critical diameter is also found to be decreased with the increase of carbon content. This is in agreement with the experiment results. Finally, the decrease of the potency of IGF formation for each inclusion size is due to a larger amount of pearlite formation in the steel containing a higher carbon content, which is detected by differential scanning calorimetry (DSC) measurements.

Place, publisher, year, edition, pages
Wiley-VCH Verlagsgesellschaft, 2016. Vol. 87, no 3, 311-319 p.
Keyword [en]
Carbon content, Differential scanning calorimetry (DSC), Inclusion size, Intragranular ferrite (IGF), Nucleation, Calorimeters, Calorimetry, Ferrite, Titanium compounds, Titanium nitride, Classical nucleation theory, Critical diameter, Effect of carbons, Inclusion sizes, Intra-granular ferrites, Nucleation sites, Pearlite formations, Differential scanning calorimetry
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-176186DOI: 10.1002/srin.201500043ISI: 000371504300005Scopus ID: 2-s2.0-84959482587OAI: oai:DiVA.org:kth-176186DiVA: diva2:873996
Note

QC 20151125. QC 20160407

Available from: 2015-11-25 Created: 2015-11-02 Last updated: 2017-12-01Bibliographically approved

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Mu, WangzhongMao, Huahai

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