F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
F16D 69/02 (2006.01) B23K 26/08 (2006.01) B23K 26/34 (2006.01) C23C 4/16 (2006.01) C23C 24/10 (2006.01) C23C 26/02 (2006.01)
Patent
CA 2368560
A surface-alloyed cylindrical, partially cylindrical or hollow cylindrical component consists of an aluminium matrix casting alloy (1) and a precipitation area (3) extending as far as the surface of the component (3) and consisting of an aluminium base alloy with precipitated hard phases. A eutectic area (2) (hereafter: "transition area") which is supersaturated by primary hard phases is present between the matrix (1) and the precipitation area (3) and the increase in hardness from the matrix (1) to the component surface (3) is gradual.
Un composant cylindrique, partiellement cylindrique ou en forme de cylindre creux allié en surface comprend une matrice (1) en alliage de fonderie à base d'aluminium et une zone de précipitation (3) allant jusqu'à la surface du composant. Cette zone de précipitation (3) est en alliage contenant de l'aluminium et des phases dures précipitées. Une zone eutectique et sursaturée par des phases dures primaires (2) (ci-après: zone de transition) est intercalée entre la matrice (1) et la zone de précipitation (3). La matrice (1) présente une augmentation de dureté graduelle jusqu'à la surface (3) du composant.
Feikus Franz Josef
Fischer Alexander
Hydro Aluminium Deutschland Gmbh
Kirby Eades Gale Baker
Vaw Aluminium Ag
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