METALLIC MATERIAL FOR SOLID ELECTROLYTE TYPE FUEL CELL

PURPOSE:To produce an austenitic stainless steel for solid electrolyte type fuel cell, having superior oxidation resistance and electric conductivity even in a high temp. oxidizing atmosphere. CONSTITUTION:The austenitic stainless steel has a composition consisting of <=0.15% C, 0.375-4.55% Si, &...

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Bibliographic Details
Main Authors TARUYA YOSHIO, NISHIYAMA YOSHITAKA
Format Patent
LanguageEnglish
Published 21.10.1994
Edition5
Subjects
ALLOYS
BASIC ELECTRIC ELEMENTS
CHEMISTRY
ELECTRICITY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:PURPOSE:To produce an austenitic stainless steel for solid electrolyte type fuel cell, having superior oxidation resistance and electric conductivity even in a high temp. oxidizing atmosphere. CONSTITUTION:The austenitic stainless steel has a composition consisting of <=0.15% C, 0.375-4.55% Si, <=3.0% Mn, 15-30% Cr, 20-60% Ni, 2.5-6.0% Al, and the balance Fe with inevitable impurities or further containing <=0.5%, in total, of one or more kinds among Y and rare earth elements and satisfying the inequality {Al(%)-1}/4<=Si(%)<=0.8Al(%)-0.25. If necessary, the content of S as an inevitable impurity is regulated to <=0.002% and also the total content of S and O is regulated to <=0.005%.
Bibliography:Application Number: JP19930101937