Elasticity of agr-Cristobalite: A Silicon Dioxide with a Negative Poisson's Ratio
β Scribed by Yeganeh-Haeri, A.; Weidner, D. J.; Parise, J. B.
- Book ID
- 121152023
- Publisher
- American Association for the Advancement of Science
- Year
- 1992
- Tongue
- English
- Weight
- 417 KB
- Volume
- 257
- Category
- Article
- ISSN
- 0036-8075
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π SIMILAR VOLUMES
An auxetic material is one with a negative Poisson's ratio and has the property of widening when stretched or narrowing when compressed in contrast to conventional materials. Typical auxetic materials include modified polymeric foams (Lakes, 1987), regular honeycombs, polypropylene fibres and certai
Recent papers have discussed particular forms of expanded polytetrafluoroethylene (PTFE) and ultra-high molecular weight polyethylene (UHMWPE) that exhibit large negative Poisson's ratios due to their complex microstructures. These consist of an open network of nodules interconnected by fibrils. Two