Patents Represented by Attorney Richard S. DeCristofaro

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  • Composite article and related method
    Patent number: 7939050
    Abstract: A method for making a composite includes combining a strengthening agent and an aluminum compound to form a first solution; precipitating an Al(OH)3 gel from the first solution, wherein strengthening agent particles are dispersed within the gel; washing the Al(OH)3 gel with an alcohol; contacting the Al(OH)3 gel with a salt; drying the Al(OH)3 gel to form a powder; calcining the powder to convert Al(OH)3 to Al2O3; and sintering the powder to form a composite article comprising beta double prime alumina.
    Type: Grant
    Filed: May 19, 2008
    Date of Patent: May 10, 2011
    Assignee: General Electric Company
    Inventors: Atanu Saha, Adyam Srinivasa Mukunda