PROCESS FOR HEAT TREATMENT OF AL-LI ALLOY

The heat treatment method improves the elogation of the alloy composed of Al-1.9-2.6 Li-2.4-3.0 Cu-0.08-0.15 Zr in wt.%. The Al-Li alloy receives a cold aging after solution treatment, and cold rolling (5 %) or stretching, and then the alloy undergoes the first low-temperature aging at 120 deg.C and...

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Bibliographic Details
Main Authors SON, KUN - YONG, JONG, YONG - HUN, SHIN, MYONG - CHOL
Format Patent
LanguageEnglish
Published 19.09.1992
Edition5
Subjects
ALLOYS
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS
MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS
METALLURGY
METALLURGY OF IRON
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:The heat treatment method improves the elogation of the alloy composed of Al-1.9-2.6 Li-2.4-3.0 Cu-0.08-0.15 Zr in wt.%. The Al-Li alloy receives a cold aging after solution treatment, and cold rolling (5 %) or stretching, and then the alloy undergoes the first low-temperature aging at 120 deg.C and reverting at 230-300 deg.C for 1 min to be subjected to the second aging at 200-250 deg.C for 20 min.
Bibliography:Application Number: KR19900011491