High toughness plate alloy for aerospace applications
Type: Patent
View the complete
patent at USPTO.gov
  
Number: 06576071
Market: Aerospace,Alumina,Aluminum Ingot,Automotive,Building & construction,Commercial transportation,Industrial products,Packaging and consumer,Oil & Gas,Consumer electronics,Sustainability
Technology: Sheet/plate,Aerospace design
Year: 2003
Abstract: The present invention is directed to highly controlled alloy composition relationship of a high purity Al--Mg--Cu alloy within the 2000 series aluminum alloys as defined by the Aluminum Association, wherein significant improvements are revealed in fracture toughness through plane strain, fracture toughness through plane stress, fatigue life, and fatigue crack growth resistance.
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