HAL : jpa-00225931, version 1

DOI : 10.1051/jphyscol:1986738

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Journal de Physique Colloques 47, C7 (1986) C7-217-C7-222

THE ATOM PROBE ANALYSIS OF A CAST DUPLEX STAINLESS STEEL

T. Godfrey, G. Smith

(1986)

Atom probe analysis is reported of a low Mo CF8 duplex stainless steel aged for 105,000h at 280°C, 3,000h or 70,000h at 300°C, or 3,000h at 400°C. Definite evidence for a spinodal reaction in the α phase has been found at all the temperatures studied. This reaction process is most regular and pronounced in the material aged at 400°C but is detectable after the other heat treatments. No evidence of G-phase precipitation is apparent from the FIM micrographs, but statistical analysis of the atom probe data shows evidence for the presence of small clusters of Si and Mo atoms in material aged 70,000 hours at 300°C.

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Physique/Articles anciens

jpa-00225931, version 1

http://hal.archives-ouvertes.fr/jpa-00225931

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Contributeur : Archives Journal de Physique <>

Soumis le : Mercredi 1 Janvier 1986, 08:00:00

Dernière modification le : Mercredi 1 Janvier 1986, 08:00:00