Global Patent Index - EP 4372114 A1

EP 4372114 A1 20240522 - MULTICOMPONENT ALUMINIUM ALLOYS WITH IMPROVED HOT CRACKING PROPERTIES AND REDUCED POROSITY

Title (en)

MULTICOMPONENT ALUMINIUM ALLOYS WITH IMPROVED HOT CRACKING PROPERTIES AND REDUCED POROSITY

Title (de)

MEHRKOMPONENTENALUMINIUMLEGIERUNGEN MIT VERBESSERTEN HEISSRISSENEIGENSCHAFTEN UND VERRINGERTER POROSITÄT

Title (fr)

ALLIAGES D'ALUMINIUM À PLUSIEURS COMPOSANTS AYANT DES PROPRIÉTÉS AMÉLIORÉES DE FISSURATION À CHAUD ET UNE POROSITÉ RÉDUITE

Publication

EP 4372114 A1 20240522 (EN)

Application

EP 22383108 A 20221116

Priority

EP 22383108 A 20221116

Abstract (en)

The invention relates to new multicomponent aluminium alloys, with certain proportions of zinc, copper, magnesium and silicon; these alloys have fine microstructures, which allow their processability by means of different manufacturing techniques, including technologies where the rapid solidification of the process presents hot cracking problems and processes where porosity is generated. The invention also relates to the use of the alloys for the manufacture of articles by means of near net shape manufacturing techniques, and to articles comprising said alloys.

IPC 8 full level

C22C 21/02 (2006.01); C22C 21/10 (2006.01)

CPC (source: EP)

C22C 21/02 (2013.01); C22C 21/10 (2013.01)

Citation (applicant)

  • US 2011044843 A1 20110224 - MISRA ABHIJEET [US], et al
  • LI, Y ET AL., MATER. DES., vol. 63, 2014, pages 856 - 867
  • KÁRKKÁINEN, M ET AL., MINER. MET. MATER. SER., 2017, pages 457 - 464
  • KÓHLER, M ET AL., METALS (BASEL), vol. 9, 2019, pages 5
  • SOKOLUK, M ET AL., NAT. COMMUN., vol. 10, no. 1, 2019
  • EIMER, E ET AL., WELD. WORLD, vol. 64, 2020, pages 1313 - 1319
  • AVERSA, A ET AL., MATERIALS (BASEL), 2019, pages 12
  • DEBROY, T ET AL., PROG. MATER. SCI., vol. 92, 2018, pages 112 - 224
  • GALY, C ET AL., ADDIT. MANUF., vol. 22, 2018, pages 165 - 175
  • SANCHEZ, J.M. ET AL., METALS (BASEL)., vol. 8, 2018, pages 167
  • SANCHEZ, J.M. ET AL., SCI. REP., vol. 9, 2019, pages 6792
  • SANCHEZ, J.M. ET AL., J. MATER. RES. TECHNOL., 2018, pages 1 - 9
  • GUO, Y ET AL., VIRTUAL PHYS. PROTOTYP., vol. 17, 2022, pages 649 - 661
  • ESKIN, D.G. ET AL., PROG. MATER. SCI., vol. 49, 2004, pages 629 - 711
  • MARTIN, J.H. ET AL., NATURE, vol. 549, 2017, pages 365 - 369
  • KOU, S., ACTA MATER., vol. 88, 2015, pages 366 - 374

Citation (search report)

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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4372114 A1 20240522; WO 2024105188 A1 20240523

DOCDB simple family (application)

EP 22383108 A 20221116; EP 2023082109 W 20231116