Semi-solid processed magnesium-beryllium alloys

Details Semi-solid processed magnesium-beryllium alloys Semi-solid processed magnesium-beryllium alloys

C - Chemistry, Metallurgy

22

C

C22C 23/00 (2006.01) B22F 1/00 (2006.01) C22C 25/00 (2006.01)

Patent

CA 2153694

Disclosed is a semi-solid processing of practical magnesium alloy and beryllium powder compacts yielding a product free of beryllide compounds. The present method avoids agitation of molten alloys and the need for introducing shear forces by utilizing atomized or ground particles of beryllium mixed with solid, particulate or liquidus magnesium. Figures 2-3 illustrate the point that size and shape of beryllium phase (globular and non-dendritic) remain unaltered although subjected to additional processing.

L'invention concerne un traitement semi-solide de briquettes maniables d'alliage de magnésium et de poudre de béryllium qui permet d'obtenir un produit exempt de composés d'alliages de béryl. Par ce procédé, on évite d'agiter les alliages fondus et d'introduire des forces de cisaillement en utilisant des particules de béryllium atomisées ou broyées, mélangées à du magnésium solide, particulaire ou liquide. Les figures 2-3 indiquent que la taille et la forme de la phase béryllium (globulaire et non dendritique) restent inchangées bien qu'ayant subi un traitement supplémentaire.

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