Grima, Joseph N. Department of Chemistry, Faculty of Science, University of Malta, Msida, Malta.
- Properties and applications
- Additional Readings
The word auxetic was coined by Ken Evans of the University of Exeter (UK) and derives from the Greek word auxetos, referring to something “that may be increased in size.” It is used in science and engineering to describe materials that expand laterally when stretched, thus defying everyday experience, which suggests that the contrary should happen. These materials, commonly known as auxetics, are characterized by their negative Poisson's ratio (a property that is usually positive and describes the extent by which a material contracts when uniaxially stretched, Fig. 1).
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