Global Patent Index - EP 4067521 A4

EP 4067521 A4 20230104 - ALUMINUM ALLOY AND PREPARATION METHOD THEREFOR

Title (en)

ALUMINUM ALLOY AND PREPARATION METHOD THEREFOR

Title (de)

ALUMINIUMLEGIERUNG UND HERSTELLUNGSVERFAHREN DAFÜR

Title (fr)

ALLIAGE D'ALUMINIUM ET SON PROCÉDÉ DE PRÉPARATION

Publication

EP 4067521 A4 20230104 (EN)

Application

EP 20894656 A 20200326

Priority

  • CN 201911174477 A 20191126
  • CN 2020081455 W 20200326

Abstract (en)

[origin: EP4067521A1] An aluminum alloy and a preparation method thereof are provided. In percentage by mass, the aluminum alloy includes: 8-11% of Si, 2-3% of Cu, 0.7-1.1% of Mg, 0.7-1.5% of Mn, 0.01-0.015% of Sr, 0.01-0.015% of Cr, 0-0.4% of Fe, 0.02-0.1% of Ti, 0.01-0.02% of Ga, 0.004-0.02% of B, 0-2% of Zn, and the balance of Al and less than 0.1% of other elements.

IPC 8 full level

C22C 21/02 (2006.01); B22D 21/04 (2006.01); C22C 1/02 (2006.01); C22C 1/03 (2006.01); C22C 1/06 (2006.01); C22F 1/043 (2006.01)

CPC (source: CN EP US)

B22D 17/00 (2013.01 - CN); B22D 21/04 (2013.01 - EP); C22C 1/026 (2013.01 - CN EP US); C22C 1/03 (2013.01 - CN EP); C22C 1/06 (2013.01 - CN EP); C22C 21/02 (2013.01 - CN EP US); C22F 1/043 (2013.01 - CN EP US)

Citation (search report)

  • [A] CN 106119626 A 20161116 - SUZHOU MEIKE KASI AUTOMOTIVE TECH CO LTD
  • [A] EP 1443122 A1 20040804 - RHEINFELDEN ALUMINIUM GMBH [DE]
  • [A] CN 107937768 A 20180420 - GUANGZHOU ZHIYUAN NEW MATERIAL TECH CO LTD
  • [A] EP 3235917 A1 20171025 - RHEINFELDEN ALLOYS GMBH & CO KG [DE]
  • [A] CN 108624788 A 20181009 - YAO XIAONING
  • [A] AVERKIN A I ET AL: "The effect of strontium on the mechanical properties of aluminum-silicon alloy", TECHNICAL PHYSICS LETTERS, AMERICAN INSTITUTE OF PHYSICS. NEW YORK, US, vol. 42, no. 2, 5 April 2016 (2016-04-05), pages 201 - 203, XP035659598, ISSN: 1063-7850, [retrieved on 20160405], DOI: 10.1134/S106378501602019X
  • [T] HATCH J E ED - HATCH J E: "Aluminium, Properties and Physical Metallurgy, passage", 1 January 1987, ALUMINUM. PROPERTIES AND PHYSICAL METALLURGY, OHIO, AMERICAN SOCIETY FOR METALS, US, PAGE(S) 224 - 241, XP002441131
  • See also references of WO 2021103362A1

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

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4067521 A1 20221005; EP 4067521 A4 20230104; CN 112391562 A 20210223; CN 112391562 B 20210921; US 2023002864 A1 20230105; WO 2021103362 A1 20210603

DOCDB simple family (application)

EP 20894656 A 20200326; CN 201911174477 A 20191126; CN 2020081455 W 20200326; US 202017780493 A 20200326