C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
75/2, 23/293
C22C 19/03 (2006.01)
Patent
CA 1206022
ABSTRACT OF THE INVENTION A process for manufacturing intermetallic compounds of the RB5 type where R is a mixture of two or more rare earth metals and B is nickel wherein the composition is determined, with respect to the desired desorption plateau pressure at 25°C in atmospheres absolute by means of the relationship P25 = exp(10.60-5.70 XCe-10.03 XLa-B.46 XPr-7.84 XNd) wherein X is the weight fraction of the indicated element and XLa + XCe + XPr + XNd = 1 .
427556
Huston Ernest L.
Liu James
Sandrock Gary D.
Ergenics Inc.
Smart & Biggar
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