Patents by Inventor Wenping Zhang

Wenping Zhang 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).

  • HIGH STRENGTH, HIGH STRESS CORROSION CRACKING RESISTANT AND CASTABLE Al-Zn-Mg-Cu-Zr ALLOY FOR SHAPE CAST PRODUCTS
    Publication number: 20080066833
    Abstract: The present invention provides an Al—Zn—Mg—Cu casting alloy that provides high strength for automotive and aerospace applications and optimized stress corrosion cracking resistance in highly corrosive and tensile environments. The inventive alloy composition includes about 3.5 wt. % to about 5.5 wt. % Zn; about 1.0 wt. % to about 3.0 wt. % Mg; about 0.5 wt. % to about 1.2 wt. % Cu; less than about 1.0 wt. % Si; less than about 0.30 wt. % Mn; less than about 0.30 wt. % Fe; and a balance of Al and incidental impurities.
    Type: Application
    Filed: September 17, 2007
    Publication date: March 20, 2008
    Inventors: Jen C. Lin, Xinyan Yan, Wenping Zhang, James P. Moran, John M. Newman, Ralph R. Sawtell, Gerald D. Scott, Michael Brandt, Bob R. Fors, Rick A. Borns, Moustapha Mbaye
  • Aluminum alloy for producing high performance shaped castings
    Patent number: 7087125
    Abstract: An aluminum alloy for shaped castings, the alloy having the following composition ranges in weight percent: about 6.0–8.5% silicon, less than 0.4% magnesium, less than 0.1% cerium, less than 0.2% iron, copper in a range from about 0.1% to about 0.5% and/or zinc in a range from about 1% to about 4%, the alloy being particularly suited for T5 heat treatment.
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: August 8, 2006
    Assignee: Alcoa Inc.
    Inventors: Jen C. Lin, Cagatay Yanar, Wenping Zhang, Pål S. Jacobsen, Geir Grasmo, Michael K. Brandt, Moustapha Mbaye, Martijn Vos, Michael V. Glazoff, Knut Pettesen, Svein Jorgensen, Terje Johnsen
  • Heat treatable Al-Zn-Mg alloy for aerospace and automotive castings
    Publication number: 20050238529
    Abstract: A heat treatable aluminum alloy for shaped castings includes from about 3.5-5.5% Zn, from about 1-1.5% Mg, less than about 1% Si, less than about 0.30% Mn, and less than about 0.3% Fe and other incidental impurities.
    Type: Application
    Filed: April 21, 2005
    Publication date: October 27, 2005
    Inventors: Jen Lin, Cagatay Yanar, Michael Brandt, Xinyan Yan, Wenping Zhang
  • Heat treatable Al-Zn-Mg-Cu alloy for aerospace and automotive castings
    Publication number: 20050238528
    Abstract: A heat treatable aluminum alloy for shaped castings includes from about 3.5-5.5% Zn, from about 1-3% Mg, about 0.05-0.5% Cu, and less than about 1% Si.
    Type: Application
    Filed: April 21, 2005
    Publication date: October 27, 2005
    Inventors: Jen Lin, Cagatay Yanar, Michael Brandt, Xinyan Yan, Wenping Zhang
  • Aluminum alloy for producing high performance shaped castings
    Publication number: 20050191204
    Abstract: An aluminum alloy for shaped castings, the alloy having the following composition ranges in weight percent: about 6.0-8.5% silicon, less than 0.4% magnesium, less than 0.1% cerium, less than 0.2% iron, copper in a range from about 0.1% to about 0.5% and/or zinc in a range from about 1% to about 4%, the alloy being particularly suited for T5 heat treatment.
    Type: Application
    Filed: January 28, 2005
    Publication date: September 1, 2005
    Inventors: Jen Lin, Cagatay Yanar, Wenping Zhang, Pal Jacobsen, Geir Grasmo, Michael Brandt, Moustapha Mbaye, Martijn Vos, Michael Glazoff, Knut Pettesen, Svein Jorgensen, Terje Johnsen