C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
148/25
C21D 1/48 (2006.01) C21D 3/08 (2006.01) C23C 8/26 (2006.01)
Patent
CA 1070223
SPECIFICATION LEE J. CUDDY and HARRY H. PODGURSKI SUBSCALE REACTION STRENGTHENING OF LOW CARBON FERROUS METAL STOCK ABSTRACT OF THE DISCLOSURE Low carbon, low alloy, ferrous metal stock containing from 0.05 to 0.5 wt. percent uncombined group IVB or VB metal, is strengthened by a procedure comprising; gas phase nitrogenation at temperatures below 590°C to form extremely fine dispersions of such group IVB or VB metal nitrides, followed by an additional treatment for removing excess nitrogen in solid solution.
258108
Cuddy Lee J.
Podgurski Harry H.
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