BULK NICKEL-COBALT-BASED GLASSES BEARING CHROMIUM, TANTALUM, PHOSPHORUS AND BORON

Ni-Co-Cr-Ta-P-B alloys and metallic glasses with controlled ranges are provided. The alloys demonstrate a combination of good glass forming ability, high toughness, and high stability of the supercooled liquid. The disclosed alloys are capable of forming metallic glass rods of diameters at least 3 m...

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Bibliographic Details
Main Authors Abarca Oscar, Crewdson Chase, Launey Maximilien, Demetriou Marios D, Johnson William L, Na Jong Hyun
Format Patent
LanguageEnglish
Published 01.06.2017
Subjects
ALLOYS
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:Ni-Co-Cr-Ta-P-B alloys and metallic glasses with controlled ranges are provided. The alloys demonstrate a combination of good glass forming ability, high toughness, and high stability of the supercooled liquid. The disclosed alloys are capable of forming metallic glass rods of diameters at least 3 mm and up to about 8 mm or greater. Certain alloys with good glass forming ability also have high notch toughness approaching 100 MPa m1/2, and stability of the supercooled liquid approaching 60° C.
Bibliography:Application Number: US201414501779