Copper-based alloy casting in which grains are refined

Details Copper-based alloy casting in which grains are refined Copper-based alloy casting in which grains are refined

C - Chemistry, Metallurgy

22

C

C22C 9/00 (2006.01) B22D 1/00 (2006.01) B22D 21/00 (2006.01) B22D 27/20 (2006.01)

Patent

CA 2563094

This invention provides a copper-base alloy casting with refined crystal grains, which comprises by mass Cu: 69 to 88%, Si: 2 to 5%, Zr: 0.0005 to 0.04%, and P: 0.01 to 0.25% and satisfies 60 <= Cu - 3.5 ~ Si - 3 ~ P <= 71, with the balance consisting of Zn and unavoidable impurities. The average grain size after melting and solidification is not more than 100 ~m. Regarding the phase structure, the percentage total area of .alpha. phase, .kappa. phase, and .gamma. phase is not less than 80%. At least one element selected from the group consisting of Mg: 0.001 to 0.2%, B: 0.003 to 0.1%, C: 0.0002 to 0.01%, Ti: 0.001 to 0.2%, and rare earth element: 0.01 to 0.3% may be further contained.

Cette invention concerne le moulage d'alliage de cuivre avec des granules de cristal raffiné, qui comprend une masse de Cu : 69 à 88%, de Si: 2 à 5%, de Zr : 0,0005 à 0,04% et de P : 0,01 à 0,25% et répond à 60 = Cu - 3,5 x Si - 3 x P = 71, et le reliquat constitué de Zn et d'inévitables impuretés. La taille moyenne du granule après fonte et solidification n'est pas supérieure à 100 µm. En ce qui concerne la structure de la phase, le pourcentage total de l'aire de la phase a, de la phase ?, et de la phase C n'est pas inférieure à 80%. Toutefois un élément sélectionné dans le groupe composé de Mg : 0,001 à 0,2%, de B : 0,003 à 0,1%, de C ;0,0002 à 0,01%, de Ti ; 0,001 à 0,2%, et d'élément de terre rare : 0,01 à 0,3% peut en faire partie.

Affiliated with

Also associated with

Rating

Copper-based alloy casting in which grains are refined does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Copper-based alloy casting in which grains are refined, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Copper-based alloy casting in which grains are refined will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1749341