Jul 25, 2016
By Andy Johnson
According to American physicists, this is now the hardest known metallic substance compatible with living tissues. The metal used now necessitates knee and hip implants to be replaced after about 10 years due to wear and tear.
Details of the new metal – an alloy of gold and titanium – called beta-Ti 3Au – are revealed in the current edition of the journal, “Science Advances.”
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