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Elasticity and wave velocity in fcc iron (austenite) at elevated temperatures – Experimental verification of ab-initio calculations
Swerea KIMAB.
Swerea KIMAB.ORCID iD: 0000-0003-3933-4406
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2018 (English)In: Ultrasonics, ISSN 0041-624X, E-ISSN 1874-9968, Vol. 87, p. 44-47Article in journal (Refereed) Published
Abstract [en]

High temperature crystal elasticity constants for face centred cubic austenite are important for interpreting the ultrasonic properties of iron and steels but cannot be determined by normal single crystal methods. Values of these constants have recently been calculated using an ab-initio approach and the present work was carried out to test their applicability using laser-ultrasonic measurements. Steel samples having a known texture were examined at temperatures between 800 °C and 1100 °C to measure the velocity of longitudinal P-waves which were found to be in good agreement with modelled values.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 87, p. 44-47
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Physical Sciences
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URN: urn:nbn:se:kth:diva-224796DOI: 10.1016/j.ultras.2018.02.009ISI: 000428615300006Scopus ID: 2-s2.0-85041837399OAI: oai:DiVA.org:kth-224796DiVA, id: diva2:1193063
Note

QC 20180326

Available from: 2018-03-26 Created: 2018-03-26 Last updated: 2018-04-19Bibliographically approved

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Publisher's full textScopushttp://www.sciencedirect.com/science/article/pii/S0041624X17310107

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Malmström, Mikael

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