On the formation and growth of Mo-rich Laves phase particles during long-term creep of a 12% chromium tempered martensite ferritic steel

It was recently reported (Aghajani et al. [1]) that Laves phase particles do not reach thermodynamic equilibrium as they form and grow during long-term creep (120 MPa, 823 K, 139 971 h) of a 12% chromium tempered martensite ferritic steel. In the present work we show that this is due to the slow dif...

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Veröffentlicht in:Scripta materialia 2009-12, Vol.61 (11), p.1068-1071
Hauptverfasser: Aghajani, A., Richter, F., Somsen, C., Fries, S.G., Steinbach, I., Eggeler, G.
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container_end_page 1071
container_issue 11
container_start_page 1068
container_title Scripta materialia
container_volume 61
creator Aghajani, A.
Richter, F.
Somsen, C.
Fries, S.G.
Steinbach, I.
Eggeler, G.
description It was recently reported (Aghajani et al. [1]) that Laves phase particles do not reach thermodynamic equilibrium as they form and grow during long-term creep (120 MPa, 823 K, 139 971 h) of a 12% chromium tempered martensite ferritic steel. In the present work we show that this is due to the slow diffusion of silicon in the steel matrix.
doi_str_mv 10.1016/j.scriptamat.2009.08.031
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source ScienceDirect Journals (5 years ago - present)
subjects 12% Cr steels
Creep
Diffusion
Laves phase
Silicon
title On the formation and growth of Mo-rich Laves phase particles during long-term creep of a 12% chromium tempered martensite ferritic steel
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