Patents by Inventor Challapalli Suryanarayana

Challapalli Suryanarayana has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • NOVEL AMORPHOUS AND NANOSTRUCTURED Nb-Zr ALLOY
    Publication number: 20160101471
    Abstract: A method for preparing an alloy, including mixing elemental powders of Nb and Zr to obtain a powder mixture, and mechanical alloying to obtain an alloyed powder mixture, where the alloyed powder is more than 50% amorphous. The spark plasma sintering machine was used for the consolidation of the Nb60Zr40 sample prepared by mechanical alloying. An Nb—Zr alloy composition obtained by the method, having an average crystallite size of 18 to 26 nm, hardness of 580.
    Type: Application
    Filed: October 14, 2014
    Publication date: April 14, 2016
    Applicant: King Fahd University of Petroleum and Minerals
    Inventors: Mohamed Abdrabou HUSSEIN, Nasser Mohammed AL-AQEELI, Challapalli Suryanarayana