auxetic


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auxetic

adjective Pertaining to auxesis, see there.
References in periodicals archive ?
Although compaction of PP3 proved relatively straight forward, the sintering and subsequent extrusion stages of the processing route proved difficult, particularly on attempting to produce structural auxetic material.
In accord with the previous work on the extrusion parameters required to produce structural auxetic polyethylene (10), the exit diameter of the die was increased to 6 mm.
Numerical Investigation on Dynamic Crushing Behavior of Auxetic Honeycombs with Various Cell-Wall Angles [J].
The bending and failure of sandwich structures with auxetic gradient cellular cores [J].
However, even the production of films and fibers is still limiting the potential use of auxetic polymers, as their shape is decided by the extrusion die.
Among the eight other partners on the 987,000 [pounds sterling] project are Rolls-Royce, ICI and a handful of auxetic specialist firms.
While almost all known materials expand laterally when stretched, auxetic materials are those that contract laterally when stretched.
Auxetic materials have a negative Poisson's ratio, meaning that under tensile stress, the area perpendicular to the tensile axis increases rather than decreases.
Auxetic behavior in microporous polymers was first observed in a particular form of polytetrafluoroethylene (PTFE) [18, 19].
Development of auxetic microporous polymers began with the examination and characterization of a microporous form of polytetrafluoroethylene (PTFE) [6, 7].
Synthetic auxetic materials [1] were first fabricated in 1987, when Lakes produced an open-celled foam that possessed a negative Poisson's ratio, [nu] [2].