| 简介 |
(57) Abstract : An improved magnesium-based alloy for wrought applications is disclosed, including a method of fabricating alloy sheet from said alloy. The improved magnesimn-based alloy consists of : 0.5 to 4.0% by weight zinc; 0.02 to 0.70% by weight a rare earth element, or mixture of the same including gadolinium; and incidental impurities. The rare earth element in some embodiments may be yttrium and/or gadolinium. In some embodiments the magnesiumbased alloy may also consist of a grain refiner and in some embodiments the grain refiner may be zirconium. In combination, the inclusion of zinc and a rare earth element, into the magnesimn alloy may have enhanced capacity for rolling workability, deep drawing at low temperatures and stretch formability at room temperature. The improved alloy may also exhibit increased tensile strength and formability while evincing a reduced tendency for tearing during preparation. D Hot rolling said strips or slabs at a suitable temperature to reduce said strip or slab to a required thickness NO Is the thickness reduced to required final thickness? YES Anneal the resultant product I at a suitable temperature for I a selected time [ II Ill SM, ST, ES, FI, FR, GB, GR, IS, IT, LT, LU, SE, SI, SM, TR), OAPI (BF, B J, CF, CG, CM, GA, (84) Designated States (unless otherwise indicated, for every GW, ML, MR, NE, SN, TD, TG). kind of regional protection available) : ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, Published : ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, MD, RU, TJ, __ with international search report (Art. 21(3)) TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK |
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