A commercial ferritic stainless steel (FSS) known as K44M (Type 444, according to ASTM A240, DIN 1.4521 according to NF EN 10088-2) was aged in static air in two differing thick-nesses (i.e. 1.5 and 0.4 mm) at a thermal cycle corresponding to the curing phase of anexperimental glass used as sealing in solid oxide fuel cell (SOFC) stacks, and to an ageingprocess in air of 200 h at 600C.The characterization performed on the aged samples after the complete treatment andat each step of the thermal cycle allowed to investigate the scale formed depending on thetemperature and to the thickness of the samples
K44M ferritic stainless steel as possible interconnect material for SOFC stack operating at 600 °C: Characterization of the oxidation behaviour at early working stages
PICCARDO, PAOLO;BONGIORNO, VALERIA;SPOTORNO, ROBERTO;REPETTO, LUCA;
2015-01-01
Abstract
A commercial ferritic stainless steel (FSS) known as K44M (Type 444, according to ASTM A240, DIN 1.4521 according to NF EN 10088-2) was aged in static air in two differing thick-nesses (i.e. 1.5 and 0.4 mm) at a thermal cycle corresponding to the curing phase of anexperimental glass used as sealing in solid oxide fuel cell (SOFC) stacks, and to an ageingprocess in air of 200 h at 600C.The characterization performed on the aged samples after the complete treatment andat each step of the thermal cycle allowed to investigate the scale formed depending on thetemperature and to the thickness of the samples
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