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Scientists Produce Metals With Four Times the Hardness | IE – Interesting Engineering

Their metal coins had virtually the same electrical conduction and light reflectance properties as standard ones, but their optical properties were dramatically…

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When it comes to metallurgy, it is common knowledge that smaller grains make for harder metals. But how exactly do you achieve these grains?
A group of Brown University researchers has found a method for smashing individual metal nanoclusters that leads to metals that are up to four times harder than naturally occurring structures. This new method is quite different from conventional hardening techniques.
RELATED: THE RISE OF METALLURGY AND A LOOK AT MATERIALS JOINING TECHNOLOGY
“Hammering and other…

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