C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
75/79
C22C 21/00 (2006.01) C22C 45/08 (2006.01)
Patent
CA 2037686
High strength, heat resistant aluminum-based alloys have a composition consisting of the following general formula AlaMbXd or Ala'MbQcXd, wherein M is at least one metal element selected from the group consisting of Co, Ni, Cu, Zn and Ag; Q is at least one metal element selected from the group consisting of V, Cr, Mn and Fe; X is at least one metal element selected from the group consisting of Li, Mg, Si, Ca, Ti and Zr; and a, a', b, c and d are, in atomic percentages;80~a~94.5,80~a'~94,5~b~15,0.5~c~3and 0.5~d~10. In the above specified alloys, aluminum intermetallic compounds are finely dispersed throughout an aluminum matrix and, thereby, the mechanical properties, especially strength and heat resistance, are considerably improved. The aluminum-based alloys of the present invention are very useful as light-weight, high-strength materials, namely, high specific strength materials,both at room temperature and elevated temperatures.
lliages haute résistance et résistants à la chaleur à base d'aluminium ayant une composition de formule générale suivante : AlaMbXd ou Ala'MbQcXd, où M est au moins un élément métallique choisi parmi le groupe constitué des éléments Co, Ni, Cu, Zn et Ag; Q est au moins un élément métallique choisi parmi le groupe constitué des éléments V, Cr, Mn et Fe; X est au moins un élément métallique choisi parmi le groupe constitué des éléments Li, Mg, Si, Ca, Ti et Zr; et a, a', b, c et d correspondent à 80 en pourcentages atomiques.
Kawanishi Makoto
Nagahama Hidenobu
Gowling Lafleur Henderson Llp
Ykk Corporation
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