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US 7,070,665 B2Granted
Fractional variation to improve bulk metallic glass forming capability
AssigneeCalifornia Institute of Technology
InventorCharles C. Hays
Life of this patent
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Abstract
Changing characteristics of relationships between components of a bulk metallic glass to stabilize one phase relative to another. A specific Zr58.47Nb2.76Cu15.4Ni12.6Al10.37 alloy is disclosed.
Claims5
A method, comprising:
- forming a bulk metallic glass comprising a non-Be alloy of Zr, Nb, Cu, Ni, and Al by stabilizing one of a plurality of phases of said non-Be alloy relative to another of said phases by adjusting a ratio of
- N
-
-
- b
- Z
-
-
- r
- to about 0.0473 and
- C
-
-
- u
- +
- N
-
-
- i
- A
-
-
- l
- to about 2.740 or about 2.8, wherein the glass transition temperature ratio Trg is about 0.61.
21 more elements
Dependencies are inferred from the claim text.