Thermally stabilized nickel-cobalt materials and methods of thermally stabilizing the same
Nickel-cobalt materials, methods of forming a nickel-cobalt material, and methods of thermally stabilizing a nickel-cobalt material are provided. A nickel-cobalt material may include a metal matrix composite with amorphous regions and crystalline regions substantially encompassed by a nanocrystallin...
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| creator | Krishnan, Lakshmi Schmitt, Joseph Richard Shipley, Gary Stephen Tajiri, Gordon Dvorak, Ashley Rose Phelps, Emily Marie Jonnalagadda, Guru Venkata Dattu |
| description | Nickel-cobalt materials, methods of forming a nickel-cobalt material, and methods of thermally stabilizing a nickel-cobalt material are provided. A nickel-cobalt material may include a metal matrix composite with amorphous regions and crystalline regions substantially encompassed by a nanocrystalline grain structure with a grain size distribution of about 50 nanometers to about 800 nanometers, and the nanocrystalline grain structure may include widespread intragranular twinning. The metal matrix composite may have a chemical makeup that includes nickel, cobalt, and a dopant such as phosphorus and/or boron. A nickel-cobalt material may be heat treated within a first temperature zone below the onset temperature for grain growth and then within a second temperature zone above the onset temperature for grain growth in the material. Chemical composition and heat treatment may yield a thermally stabilized nickel-cobalt material. |
| format | Patent |
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| subjects | ALLOYS APPARATUS THEREFOR CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FERROUS OR NON-FERROUS ALLOYS METALLURGY PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Thermally stabilized nickel-cobalt materials and methods of thermally stabilizing the same |
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