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1. US20190127825 - ALUMINUM ALLOY SHEET AND ALUMINUM ALLOY SHEET MANUFACTURING METHOD

Office
United States of America
Application Number 16088679
Application Date 30.03.2017
Publication Number 20190127825
Publication Date 02.05.2019
Publication Kind A1
IPC
C22C 21/08
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
21Alloys based on aluminium
06with magnesium as the next major constituent
08with silicon
C22F 1/05
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS
1Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
04of aluminium or alloys based thereon
05of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
CPC
C22C 21/08
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
21Alloys based on aluminium
06with magnesium as the next major constituent
08with silicon
C22C 2202/00
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
2202Physical properties
C22F 1/05
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
1Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
04of aluminium or alloys based thereon
05of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
Applicants Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Inventors Hisao SHISHIDO
Tomoyuki KITAMURA
Priority Data 2016-067007 30.03.2016 JP
2016213789 31.10.2016 JP
Title
(EN) ALUMINUM ALLOY SHEET AND ALUMINUM ALLOY SHEET MANUFACTURING METHOD
Abstract
(EN)

In a differential scanning calorimetric curve of an Al—Mg—Si aluminum alloy sheet with a specific composition in which the total content of Mg and Si is greater than 1.2%, a ratio (B/A) of an endothermic peak within the temperature range of 150-230° C. with a height A of 3-10 μW/mg to an exothermic peak within the temperature range of 230° C. or above and below 330° C. with a height B of 20-50 μW/mg is to be within a specified range.