Global Patent Index - EP 0220495 A2

EP 0220495 A2 19870506 - Composite material including alumina-silica short fiber reinforcing material and aluminum alloy matrix metal with moderate copper and silicon contents.

Title (en)

Composite material including alumina-silica short fiber reinforcing material and aluminum alloy matrix metal with moderate copper and silicon contents.

Title (de)

Verbundwerkstoff mit kurzen Tonerde-Silikafasern als Verstärkungselement und eine Matrix bestehend aus einer Aluminiumlegierung mit geringen Kupfer- und Siliziumgehalten.

Title (fr)

Matériau composite comportant des fibres courtes alumine-silice comme matériau de renforcement et une matrice métallique d'un alliage d'aluminium avec des teneurs en cuivre et en silicium peu élevées.

Publication

EP 0220495 A2 19870506 (EN)

Application

EP 86113099 A 19860923

Priority

JP 21748985 A 19850930

Abstract (en)

A composite material is made from alumina-silica type short fibers embedded in a matrix of metal. The metal is an alloy consisting essentially of between approximately 1.5% to approximately 6% of copper, between approximately 0.5% to approximately 2% of silicon, and remainder substantially aluminum. The short fibers may be all alumina short fibers, or may be all amorphous alumina-silica short fibers, or may have a substantial proportion of the mullite crystalline form included in them. The fiber volume proportion of the alumina-silica type short fibers may desirably be between approximately 5% and approximately 50%, and may more desirably be between approximately 5% and approximately 40%. And, in the desirable case that the fiber volume proportion of the alumina-silica type short fibers is between approximately 5% and approximately 20%, then the copper content of said aluminum alloy matrix metal is desired to be between approximately 2% and approximately 6%.

IPC 1-7

C22C 1/09

IPC 8 full level

C22C 49/00 (2006.01); C22C 21/00 (2006.01); C22C 21/12 (2006.01); C22C 29/12 (2006.01); C22C 32/00 (2006.01); C22C 47/00 (2006.01); C22C 49/06 (2006.01); C22C 49/14 (2006.01)

CPC (source: EP)

C22C 49/06 (2013.01); C22C 49/14 (2013.01)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0220495 A2 19870506; EP 0220495 A3 19880113; AU 587283 B2 19890810; AU 6306486 A 19870402; JP S6277433 A 19870409

DOCDB simple family (application)

EP 86113099 A 19860923; AU 6306486 A 19860923; JP 21748985 A 19850930