ALUMINUM SHEET PRODUCTS HAVING IMPROVED FATIGUE CRACK GROWTHRESISTANCE AND METHODS OF MAKING SAME

Aluminum sheet products having highly anisotropic grain microstructures an d highly textured crystallographic microstructures are disclosed. The products exhibit improved strength and improved resistance to fatigue crack growth, as well as other advantageous properties such as improved combinations...

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Main Authors RIOJA, ROBERTO J, MORALES, ANTHONY, MAGNUSEN, PAUL E, CHAKRABARTI, DHRUBA J, VENEMA, GREGORY B, WESTERLUND, ROBERT W, DENZER, DIANA K, ROBERTS, ANNE E
Format Patent
LanguageEnglish
French
Published 22.09.2009
Subjects
ALLOYS
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
METALLURGY
PERFORMING OPERATIONS
PUNCHING METAL
ROLLING OF METAL
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:Aluminum sheet products having highly anisotropic grain microstructures an d highly textured crystallographic microstructures are disclosed. The products exhibit improved strength and improved resistance to fatigue crack growth, as well as other advantageous properties such as improved combinations of strength and fracture toughness. The sheet products are useful for aerospace and other applications, particularly aircraft fuselages.
Bibliography:Application Number: CA20012349793