The fundamental laws of friction remain a mystery to this day. Find out more at 🚀
Researchers at the NYU Tandon School of Engineering have discovered a fundamental friction law that is leading to the design of two-dimensional materials capable of minimizing energy loss,Friction lies behind the invention and development of many of today's most advanced technologies, however, its fundamental laws remain obscure to this day despite many developments in the field.
To discover the new law, the scientists looked at bulk graphite and epitaxial graphene films and measured the hard-to-access interfacial transverse shear modulus of an atomic layer on a substrate. This modulus is also crucial in controlling and predicting sliding friction in supported two-dimensional materials. The researchers uncovered a general reciprocal relationship between friction force per unit contact area and interfacial shear modulus."Our results can be generalized to other 2D materials as well," Riedo, who also heads NYU Tandon's PicoForce Lab, explained.
It has been estimated that one-quarter of global energy losses are due to friction and wear. This is a major energy loss that, if overcome, might result in a more efficient and environmentally friendly field.
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