COLD-ROLLING METHOD FOR A WROUGHT MG ALLOY WITH WEAK/NON-BASAL TEXTURE AND A COLD ROLLED SHEET
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United States of America Patent
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Issued Date -
Nov 15, 2012
app pub date -
Apr 30, 2012
filing date -
May 14, 2011
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a cold-rolling method for cold-rolling a wrought Mg alloy with a weak or non-basal texture as well as a cold-rolled sheet, the method comprising the steps of: pre-treating a billet of the wrought Mg alloy with a weak or non-basal texture, and then cold rolling it; wherein the weak or non-basal texture plane of said billet is selected as a rolling plane, and the rolling direction is parallel to the rolling plane; and said billet is cold rolled at room temperature to a sheet or foil with a thickness of 0.1 to 100 mm, wherein single-pass or multi-pass rolling is used, and the cold rolling is followed by an annealing at 200 to 400° C. for 10 min to 48 h.
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