Elasticity and wave velocity in fcc iron (austenite) at elevated temperatures â Experimental verification of ab-initio calculations

Elasticity and wave velocity in fcc iron (austenite) at elevated temperatures â€“ Experimental verification of ab-initio calculations

QC 20180326
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 800â€¯Â°C and 1100â€¯Â°C to measure the velocity of longitudinal P-waves which were found to be in good agreement with modelled values.

Malmström, Mikael,1982-RISE,KIMAB,Swerea KIMAB(Swepub:kth)u1i8rqxy (författare)
Lönnqvist, JohanRISE,KIMAB (författare)
Bate, PeteRISE,KIMAB (författare)
Ehteshami, HosseinKTH,KTH Royal Institute of Technology, Sweden(Swepub:kth)u11ohzu9 (författare)
Korzhavyi, Pavel A.,1966-KTH,Skolan för industriell teknik och management (ITM),KTH Royal Institute of Technology, Sweden(Swepub:kth)u17nfa0i (författare)
RISEKIMAB (creator_code:org_t)

Av författaren/redakt...: Hutchinson, Bevi ...; Malmström, Mikae ...; Lönnqvist, Johan; Bate, Pete; Ehteshami, Hosse ...; Korzhavyi, Pavel ...

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