Global Patent Index - EP 3293278 A1

EP 3293278 A1 20180314 - HYPEREUTECTIC HIGH PRESSURE DIE CAST ALUMINUM-SILICON CAST ALLOY

Title (en)

HYPEREUTECTIC HIGH PRESSURE DIE CAST ALUMINUM-SILICON CAST ALLOY

Title (de)

HYPEREUTEKTISCHE ALUMINIUM SILICIUM HOCHDRUCKGUSSLEGIERUNG

Title (fr)

ALLIAGE HYPEREUTECTIQUE ALUMINIUM SILICIUM POUR COULEE SOUS HAUTE PRESSION

Publication

EP 3293278 A1 20180314 (EN)

Application

EP 17020405 A 20170906

Priority

US 201615263859 A 20160913

Abstract (en)

The present invention discloses a hypereutectic high pressure die cast aluminum silicon alloy comprising: 16% to 23% by weight silicon, 0.01% to 1.5% by weight iron, 0.01% to 0.6% by weight manganese, 0.01% to 1.3% by weight magnesium, 0.05% to 0.2% by weight strontium, optionally 0.01% to 4.5% by weight nickel, and the balance aluminum, wherein the die cast alloy has a microstructure with a volume fraction of primary silicon of greater than 10%.

IPC 8 full level

C22C 21/00 (2006.01); B22D 17/00 (2006.01); B22D 21/00 (2006.01); C22C 21/02 (2006.01); C22C 21/04 (2006.01); C22C 21/06 (2006.01)

CPC (source: CN EP)

B22D 17/00 (2013.01 - EP); B22D 21/007 (2013.01 - EP); C22C 21/02 (2013.01 - CN EP)

Citation (applicant)

Citation (search report)

  • [AD] US 6168675 B1 20010102 - FANG QUE-TSANG [US], et al
  • [AD] US 7666353 B2 20100223 - DONAHUE RAYMOND J [US], et al
  • [I] DAVAMI P ET AL: "Strontium as a modifying agent for Al-Si eutectic alloy", BRITISH FOUNDRY, INSTITUTE OF BRITISH FOUNDRYMEN, CHESTERFIELD, GB, vol. 72, no. 4, 1 January 1979 (1979-01-01), pages 4 - 7, XP009064981, ISSN: 0007-0718
  • [I] DINNIS C M ET AL: "The influence of strontium on porosity formation in Al-Si alloys", METALLURGICAL AND MATERIALS TRANSACTIONS A: PHYSICAL METALLURGY & MATERIALS SCIE, ASM INTERNATIONAL, MATERIALS PARK, OH, US, vol. 35A, no. 11, 1 November 2004 (2004-11-01), pages 3531 - 3541, XP009064933, ISSN: 1073-5623, DOI: 10.1007/S11661-004-0190-9
  • [I] vol. 18, 1 January 1992, ASM INTERNATIONAL, article BARRIE S SHABEL ET AL: "Friction and Wear of Aluminum-Silicon Alloys", pages: 785 - 794, XP055447945, DOI: 10.1361/asmhba0002331

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)

EP 3293278 A1 20180314; EP 3293278 B1 20220309; CN 107815566 A 20180320; JP 2018044243 A 20180322; JP 6998711 B2 20220210

DOCDB simple family (application)

EP 17020405 A 20170906; CN 201710791012 A 20170905; JP 2017175129 A 20170912