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公开(公告)号：US3843418A
公开(公告)日：1974-10-22
申请号：US29842772
申请日：1972-10-17
发明人： OIDA K , HATANO I , YOKOTA M , SUMITOMO M , OASA H
摘要： 1. THE METHOD OF MANUFACTURING A HIGH STRENGTH ALUMINUM ALLOY FOR ELECTRIC CONDUCTORS COMPRISING THE STEPS OF PRODUCING A HEATED ALLOY WHICH COMPRISES 0.2 TO 1.2 WT.-PERCENT MAGNESIUM, 0.1 TO 0.9 WT.-PERCENT SILICON, 0.0005 TO 0.4 WT.-PERCENT BERYLLIUM AND THE BALANCE ESSENTIALLY ALUMINUM; COLD WORKING THE PRODUCED ALLOY WITHAPPROXIMATELY 10 TO 30% REDUCTION IN AREA AFTER QUENCHING THE HEATED ALLOY FROM IN THE RANGE OF ABOUT TO 550* C.; THEN AGING THE ALLOY AT ABOUT 150* C. TO 200* C.; AND THEN COLD WORKING THE ALLOY.
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公开(公告)号：US3759758A
公开(公告)日：1973-09-18
申请号：US3759758D
申请日：1970-05-13
申请人： SUMITOMO CHEMICAL CO
摘要： AN ALUMINUM CASTING ALLOY HAVING GOOD MECHANICAL PROPERTIES IS PREPARED BY ADDING, TO ALUMINUM, COPPER, MAGNESIUM, AND CADMIUM AND, ADDITIONALLY, IF DESIRED, TITANIUM AND BORON, AND, ADDITIONALLY. IF DESIRED, MANGANESE AND SILVER, SOLUTION-HEAT-TREATING THEREOF AT A TEMPERATURE HIGHER THAN 500*C., AND THEN AGEING THE SOLUTION-HEAT-TREATED ALLOY AT A TEMPERATURE BETWEEN 160*C. AND 190*C. FOR 4 TO 48 HOURS. THE ALLOY IS USEFUL IN VARIOUS TYPES OF MACHINE MEMBERS, AIRCRAFT, ROLLING-STOCK MEMBERS, ARCHITECTURAL MEMBERS, AND OTHER STRUCTURAL APPLIANCES.
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公开(公告)号：US3761362A
公开(公告)日：1973-09-25
申请号：US3761362D
申请日：1971-03-17
申请人： SUMITOMO CHEMICAL CO
发明人： OIDA K , IWATA S , SHIMIZU H , TSUKIYASU T
CPC分类号： C25D11/22
摘要： COLORING OF ANODIC OXIDE FILM ON ALUMINUM AND ALUMIMUM ALLOYS IS ACCOMPLISHED BY DIRECT CURRENT ELECTROLYSIS IN AN ELECTROLYTE CONTAINING AN ACID OR METAL SALT, USING THE ALUMINUM ARTICLE AS CATHODE.
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