A metallic alloy that is tough and ductile at cryogenic temperatures

A new concept in metallic alloy design – called "high-entropy alloys" - has yielded a multiple-element material that not only tests out as one of the toughest on record, but, unlike most materials, the toughness as well as the strength and ductility of this alloy actually improves at cryogenic temperatures. This multi-element alloy was synthesized and tested through a collaboration of researchers at the U.S. Department of Energy (DOE)'s Lawrence Berkeley and Oak Ridge National Laboratories.

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