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A Thermodynamic Analysis of the Inoculation Process in Cast Iron
KTH, Superseded Departments, Casting of Metals.
(English)In: International Journal of Cast Metals Research, ISSN 1364-0461, E-ISSN 1743-1336Article in journal (Refereed) Submitted
Identifiers
URN: urn:nbn:se:kth:diva-5515OAI: oai:DiVA.org:kth-5515DiVA: diva2:9906
Note

QS 2011. QS 20120328

Available from: 2006-03-22 Created: 2006-03-22 Last updated: 2017-11-21Bibliographically approved
In thesis
1. On the Nucleation and Inoculation of Metals
Open this publication in new window or tab >>On the Nucleation and Inoculation of Metals
2006 (English)Doctoral thesis, comprehensive summary (Other scientific)
Abstract [en]

Latent heat during recalesence and nucleation and post-recalesence temperature was analysed for refractory metals. An effect on latent heat was found by alloying the pure elements with other refractories. Latent heat was found to be 15-65% of tabulated values. Interface energy was evaluated from undercooling experiments. It was found that the dimensionless numbers β (σLs/ σLv) and α can be used to classify elements into distinctive groups and crystallographic structure.

The phase diagrams for Al-Ti, Al-Ti-B and Al-Ti-C as well as inoculation were analysed. It was found that Al nucleates on Al3Ti which nucleates on TiB2. TiC was found to decompose into Al4C3 and Al3Ti.

The inoculation of nodular cast iron with Mg, Ce; Ca and the formation of sulphides and oxides was analysed. The formation of new inclusions during the solidification as well as the formation of graphite is discussed.

Place, publisher, year, edition, pages
Stockholm: KTH, 2006. 13 p.
Series
Trita-MG, ISSN 1104-7127 ; 2006:02
Keyword
Solidification, nucleation, inoculation, undercooling, interface energy, refractory metals, latent heat, inclusions, nodular cast iron
National Category
Materials Engineering
Identifiers
urn:nbn:se:kth:diva-3893 (URN)
Public defence
2006-03-24, M3, 43:38, Brinellv.64, Stockholm, 10:15 (English)
Opponent
Supervisors
Note
QC 20100602Available from: 2006-03-22 Created: 2006-03-22 Last updated: 2010-06-02Bibliographically approved

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