“Springy“ high-entropy Elinvar alloy

The team conducted experiments in which a steel ball is bounced against (from left) a Co25Ni25(HfTiZr)50 alloy plate, a plate of Cu50Zr45Al5, a NiAl alloy and commercial stainless steel. The Co25Ni25(HfTiZr)50 alloy plate was the most springy. (DOI number: )
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