Patent · US Expired

Die casting having high toughness

US7713470B2 · kind B2 · utility

2Cited by
5References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 14, 2003
Grant dateMay 11, 2010
Priority date
Expiry dateMar 27, 2025

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC22C21/06
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A thin and large high toughness die-cast product is provided that is formed from an Al—Mg casting alloy having the composition 3.5 wt %≦Mg≦4.5 wt %, 0.8 wt %≦Mn≦1.5 wt %, Si<0.5 wt %, Fe<0.5 wt %, a sum (Ti+Zr) of amounts of Ti and Zr added of equal to or greater than 0.3 wt %, and a ratio (Ti/Zr) of the amounts of Ti and Zr added of at least 0.3 but not more than 2, with the balance being Al.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.