A Cut above the Ordinary: Low-tech machining yields coveted nanostructure | Science News

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A Cut above the Ordinary: Low-tech machining yields coveted nanostructure

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10:55am, August 21, 2002

Drills, lathes, and milling machines produce metal trimmings that machine shops discard as trash or melt down for reuse. A new study finds that these trimmings often end up with a fine-grained and especially hard microscopic structure equivalent to that of expensive high-tech materials.

Because the presence of this hard structure endows materials with exceptional strength and wear resistance, materials scientists have long sought cheap and easy ways of inducing it in metals and alloys. Now it seems that companies could achieve this goal on industrial scales, and for as little as a hundredth the

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