Rapidly solidified Fe-Cr-Al alloy foil having excellent anti-oxi

Details Rapidly solidified Fe-Cr-Al alloy foil having excellent anti-oxi Rapidly solidified Fe-Cr-Al alloy foil having excellent anti-oxi

1991-09-10

1992-11-03

Yee, Deborah

Metal treatment

Stock

Ferrous

420 62, 428606, C22C 3806

Patent

active

051603900

ABSTRACT:
A rapidly solidified Fe-Cr-Al alloy foil having excellent anti-oxidation properties, the foil essentially consisting of Cr: about 5 to 30 wt %, Al: about 2 to 15 wt %, Si: about 1.5 to 3 wt %, and REM (Y, Ce, La, Pr, Nd): about 0.07 to 2.0 wt %, the balance being Fe and impurities. The foil may further contain about 0.001 to 0.5 wt % of at least one element selected from the group consisting of Ti, Nb, Zr and V. The foil has a grain size of not more than about 10 .mu.m. Preferably, the rapidly solidified alloy foil has a thickness of about 20 to 200 .mu.m.

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