EP 3184659 A1 20170628 - SILUMIN FOR PRESSURE DIE CASTING WITH ADDITIVE OF WOLFRAM AND VANADIUM
Title (en)
SILUMIN FOR PRESSURE DIE CASTING WITH ADDITIVE OF WOLFRAM AND VANADIUM
Title (de)
SILUMIN ZUM DRUCKGIESSEN MIT ADDITIV AUS WOLFRAM UND VANADIUM
Title (fr)
SILUMINE POUR MOULAGE SOUS PRESSION, AVEC UN ADDITIF DE TUNGSTÈNE ET DE VANADIUM
Publication
Application
Priority
EP 15003706 A 20151223
Abstract (en)
The subject of this invention is hypo-eutectic silumin with additive of wolfram and vanadium designed for pressure die casting. In accordance with the invention it contains in weight percentage: 7,5-8,7% Si; 0,7-1,2% Fe; 2,0- 3,0% Cu; 0,10-0,50% Mn; 0,05-0,50% Mg; 0,00-0,15 % Cr; 0,05-0,40 % Ni; 0,9-1,1 % Zn; 0.20-0.35% Pb; 0.10-0.15% Sn 0,00-0,10 % Ti; 0,10-0,30 % W; 0,10-0,30 % V and the balance being Al. The application of silumin with additive of W and V for pressure die casting enables to get the effect of supersaturation of silumin solid solution with these additives. Supersaturation of silumin solid solutions with wolfram and vanadium is possible thanks to extremely dynamic silumin crystallization process inside pressure casting die. The effect of supersaturation with additives W and V, alumimum in particular, induces enlarging of silumin tensile strength R m and unit elongation A. Silumin in accordance with the invention is characterized by its content of W 0,10-0,30 % and V 0,10-0,30 % in weight peccentage.
IPC 8 full level
C22C 21/02 (2006.01)
CPC (source: EP)
B22D 17/00 (2013.01); B22D 21/007 (2013.01); C22C 21/02 (2013.01)
Citation (search report)
- [A] WO 2009132388 A1 20091105 - COMMW SCIENT IND RES ORG [AU], et al
- [A] GB 2526085 A 20151118 - JAGUAR LAND ROVER LTD [GB]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 15003706 A 20151223