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Toughening up all Fiber

• arclein
Pugno says his work is just the beginning and that it ought to be possible to use his slip-knot technique to make graphene fibres with a toughness of 100,000 Joules per gram. There are challenges ahead, of course. Ideally, the force required to pass the fibre through the knot should be just below the material’s breaking point and this depends on factors such as the knot topology. The choice of knot has an important influence on the behaviour of the material and further work here could lead to novel designs. Pugno says he is currently patenting his slip-knot design and so has not yet published it.

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