QuesTek to develop three alloys

  • 05-Jan-2009 02:59 EST

QuesTek Innovations LLC has been awarded three Phase I Small Business Innovation Research (SBIR) projects to develop new metal alloys for the U.S. Army and U.S. Air Force. The design and development of a new titanium alloy, for the U.S. Army, will focus on improved castability (near-net-shape formability), improved mechanical strength (including fatigue strength), and lower cost compared to the existing aerospace-grade Ti-6Al-4V alloy. The design of new soft magnetic alloys with improved strength, magnetization, and temperature—important for electrical motor and actuator applications—was awarded by the U.S. Air Force. The third award, from the U.S. Army, will pursue the use of QuesTek’s Ferrium C61 carburized steel, which has a high-strength/high-toughness core to allow for weight reduction or increased power density, for the main rotor shaft on the CH-47 without significant changes in the production process of the component.

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