EP 0475101 B1 19951213 - High strength aluminum-based alloys
Title (en)
High strength aluminum-based alloys
Title (de)
Hochfeste Legierungen auf Aluminiumbasis
Title (fr)
Alliages à base d'aluminium, à haute résistance
Publication
Application
Priority
JP 21375590 A 19900814
Abstract (en)
[origin: EP0475101A1] The present invention provides aluminum-based alloys with high strength and toughness, the alloys having a composition consisting of the general formula (I) AlaMbLnc or the general formula (II) AlaMbXdLnc, wherein M is at least one metal element selected from the group consisting of Co, Ni, and Cu; X is at least one metal element selected from the group consisting of V, Mn, Fe, Mo, Ti and Zr; Ln is at least one element selected from the group consisting of Y, rare earth elements and Mm (misch metal) which is a composite of rare earth elements; and a, b, c and d are, in atomic percentage, 75 </= a </= 97, 0.5 </= b </= 15, 0.5 </= c </= 10 and 0.5 </= d </= 3.5. The alloys are composed of an aluminum matrix or an aluminum supersaturated solid solution matrix which has an average crystal grain size of 0.1 to 80 mu m and contains therein a uniform dispersion of metastable or stable phase particles composed of intermetallic compounds formed between the host element (matrix element) and the above-mentioned alloying elements, the intermetallic compounds having an average particle size of 10 to 500 nm.
IPC 1-7
IPC 8 full level
C22C 45/08 (2006.01)
CPC (source: EP)
C22C 45/08 (2013.01)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0475101 A1 19920318; EP 0475101 B1 19951213; DE 69115394 D1 19960125; DE 69115394 T2 19960711
DOCDB simple family (application)
EP 91113667 A 19910814; DE 69115394 T 19910814