C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 21/00 (2006.01) C22C 21/06 (2006.01)
Patent
CA 2047197
2047197 9011382 PCTABS00002 The toughness of Al-Li, Al-Mg and Mg-Li alloys is increased by a melting and refining process designed to reduce the concentration of alkali metal impurities below about 1 ppm and preferably below about 0.1 ppm (Fig. 1). The hydrogen and chlorine gas constituents are also significantly reduced.
Comalco Aluminium Limited
Macrae & Co.
Webster Donald
LandOfFree
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