High-strength and high-toughness magnesium based alloy,...

Details High-strength and high-toughness magnesium based alloy,... High-strength and high-toughness magnesium based alloy,...

2011-04-12

2011-04-12

Wyszomierski, George (Department: 1733)

Powder metallurgy processes

Forming articles by uniting randomly associated metal particles

Consolidation of powders

C148S406000, C148S420000

Reexamination Certificate

active

07922967

ABSTRACT:
A high-strength and high-toughness magnesium based alloy contains, by weight, 1 to 8% rare earth element and 1 to 6% calcium and the maximum crystal grain diameter of magnesium constituting a matrix is not more than 30 μm. At least one intermetallic compound (6) of rare earth element and calcium has a maximum grain diameter of 20 μm or less and it is dispersed in a crystal grain boundary (5) and a crystal grain (4) of magnesium of the matrix.

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