Enhancing mechanical properties of nanostructured materials with interfacial films

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United States of America Patent

PATENT NO 10934606
APP PUB NO 20180230573A1
SERIAL NO

15896849

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Abstract

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Nanostructured materials that contain amorphous intergranular films (AIFs) are described herein. Amorphous intergranular films are structurally disordered (lacking the ordered pattern of a crystal) films that are up to a few nanometers thick. Nanostructured materials containing these films exhibit increased ductility, strength, and thermal stability simultaneously. A nanocrystalline material system that has two or more elements can be designed to contain AIFs at the grain boundaries, provided that the dopants segregate to the interface and certain materials science design rules are followed. An example of AIFs in a nanostructured Cu—Zr alloy is provided to illustrate the benefits of integrating AIFs into nanostructured materials.

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Patent Owner(s)

  • THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Khalajhedayati, Amirhossein Foothill Ranch, US 1 0
Rupert, Timothy J Irvine, US 1 0

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