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Scientists discover new super alloy

Scientists discover new super alloy

Scientists discover new super alloy



In the United States, researchers at Sandia National Laboratories, in collaboration with researchers at Ames National Laboratory, Iowa State University and Bruker Company, have discovered a new alloy that is resistant to high temperatures and has an exceptionally light mass, as well as a low creep tendency and high strength.



This material is composed of 42% aluminum, 25% titanium, 13% niobium, 8% zirconium, 8% molybdenum and 4% tantalum, and is a "multi-principal element super alloy". While most alloys are made primarily from one major element and combined with low concentrations of other elements to enhance certain properties, multi-principal alloys have high concentrations of three or more elements.At 800°C, this "super alloy" proved to be stronger and lighter than many other high-performance alloys. After cooling, this strength appears to increase.



The super alloy could help generate more electricity while emitting less CO2, and thus could have far-reaching implications for the energy sector and aerospace, and point to a new, as-yet-undiscovered class of similar alloys.



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