C - Chemistry – Metallurgy – 22 – F
Patent
C - Chemistry, Metallurgy
22
F
148/10
C22F 1/05 (2006.01) C22C 21/08 (2006.01)
Patent
CA 1223180
TITLE OF THE INVENTION: SUPERPLASTIC ALUMINUM ALLOY STRIPS AND PROCESS FOR PRODUCING SAME ABSTRACT OF THE DISCLOSURE: Disclosed herein are strips of superplastic aluminum alloys containing 1.5 to 9.0 % by weight of magnesium, 0.5 to 5.0 % by weight of silicon, 0.05 to 1.2 % by weight of manganese, 0.05 to 0.3 % by weight of chromium and the balance consisting essentially of aluminum, and a process for producing strips of superplastic aluminum alloys comprising the steps of continuously casting and rolling a molten aluminum alloy containing 1.5 to 9.0 % by weight of magnesium, 0.5 to 5.0 % by weight of silicon, 0.05 to 1.2 % by weight of manganese and 0.05 to 0.3 % by weight of chromium, thereby obtaining a cast strip of 3 to 20 mm in thickness, homogenizing the cast strip at a temperature of 430 to 550°C, and subjecting the homogenized strip to cold rolling until the reduction ratio reaches to a value of not less than 60 %.
415179
Mishima Ryoji
Miyamoto Hitoshi
Momochi Masanori
Kasei Naoetsu Industries Limited
Kirby Eades Gale Baker
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