How to Cut into a Material More Smoothly A theory confirmed by experiments explains what has been an
How to Cut into a Material More Smoothly A theory confirmed by experiments explains what has been an unpredictable cutting process. […] Slicing through a solid can turn out a continuous band of liberated material or a disorderly sequence of fractured shards. Now researchers have shown that there is a universal transition between these two different ways materials come apart when cut [1]. Others have noted that the depth of the cutting tool determines the material’s response, but the new theory explains why the transition occurs and predicts the depth at which the transition takes place for any relevant material. The theory is supported by new experiments with several different plastics as well as previous data from experiments on other materials. This new understanding may allow manufacturers to design tools that achieve a better surface finish. Read more. -- source link
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