Rapidly solidified and worked high strength magnesium alloy cont

Details Rapidly solidified and worked high strength magnesium alloy cont Rapidly solidified and worked high strength magnesium alloy cont

1991-05-23

1992-09-15

Roy, Upendra

Alloys or metallic compositions

Magnesium base

Aluminum containing

148420, 420407, 420408, C22C 100

Patent

active

051476037

ABSTRACT:
An alloy based on magnesium with a load at rupture of at least 290 MPa and an elongation at rupture of at least 5%, the alloy comprising by weight, 2 to 11% aluminum, 0 to 1% manganese, 0.1 to 6% strontium, various possible impurities, and the remainder magnesium. The alloy has a structure including a matrix of fine grains of magnesium of a mean size below 3 .mu.m reinforced by intermetallic compounds dispersed homogeneously at the grain boundairies and having a mean size less than 1 .mu.m, the structure remaining unchanged if kept for more than 24 hours at a temperature up to 300.degree. C.

REFERENCES:
patent: 3182390 (1965-05-01), Foerster
patent: 4765954 (1988-08-01), Das et al.
patent: 4770850 (1988-09-01), Hehmann et al.
patent: 4990198 (1991-02-01), Masumoto et al.
Froes et al Jour. of Metas. Aug. 1987, pp. 14-21.

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