Scientists verify critical fabrication properties of gadolinium-nickel alloy
A new alloy developed and patented by researchers at Lehigh University, Sandia National Laboratory and Idaho National Laboratory could help the U.S. dispose more safely of 50,000 tons of spent nuclear energy fuel that are now stored at 125 sites in 39 states.
John DuPont, professor of materials science and engineering at Lehigh and principal investigator on the project, said that a nickel-based alloy with added gadolinium showed far greater ability than any other alloy to absorb the deadly radioactive neutrons emitted by nuclear waste.
The researchers found that the gadolinium-nickel alloy passed an important test - it can be fabricated in large quantities using conventional ingot metallurgy and fusion welding techniques.
Kurt Pfitzer | EurekAlert!
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