Ferritic stainless steel containing rare earth element yttrium for solid-oxide fuel battery
A technology of solid oxides and rare earth elements, applied in fuel cells, circuits, electrical components, etc., can solve the problems of unreliable resistance data, inability to ensure compactness, and inability to meet SOFC performance requirements, etc., to achieve low production costs Effect
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[0020] The present invention will be further described below in conjunction with specific embodiments.
[0021]Ferritic stainless steel containing the above-mentioned alloying elements is refined into a 0.5kg ingot by arc melting, subjected to homogenization heat treatment at 1200°C for 24 hours, and heat treatment at 800°C for 1 hour. Obtain a single ferritic stainless steel, the mass percentage of its alloy elements is as follows: Y 0.04%~0.08%, C<0.03%, Mn 0.40%~1.00%, Ni 0.20%~0.26%, Cr19.00%~24.00%, Mo1.00%~2.00%, W 0.05%~0.10%, Si 0.02%~0.05%, P<0.04%, S<0.03%, and the balance Fe. In Table 1, the element compositions of several specific examples of the present invention are given.
[0022] Table 1
[0023] implement
example
C
Y
mn
Ni
Cr
Mo
W
Si
P
S 1# 0.02 0.08 1.00 0.20 22.00 2.00 0.09 0.05 0.03 0.02 2# 0.02 0.06 0.6...
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