auxesis

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auxesis

[‚ȯg′zē·səs]
(physiology)
Growth resulting from increase in cell size.
References in periodicals archive ?
Powder Morphology and Attempts at the Fabrication of PP3 to Produce Structural Auxetic Material
However, the Poisson's ratio need not to be a positive quantity, and materials having a NPR, commonly known as auxetic material, do exist.
Changing the geometry of the chiral auxetic cellular solids can allow the material to respond differently to certain things like temperature, humidity, light, or impact," said Yaning Li, assistant professor of mechanical engineering.
simplified version of an umbrella composed of an auxetic structure
The innovative 3D printed midsole of the UA Architech was combined with a flow-molded 3D ClutchFit auxetic upper to provide athletes with a shoe that not only gives a locked-in, supportive feel, but also flexes and moves with the foot to provide a zero distractions experience.
The results have shown that when the insulated pipeline is subject to temperature gradients, the maximum equivalent stress reduces in steel pipe, coating, and jacket, if the linear thermal expansion coefficient of insulate coating assumes values close to the linear thermal expansion coefficient of the steel, being thus possible to significantly reduce the maximum equivalent stress in the pipeline and avoid failure by utilizing the insulated coating composed of auxetic material (with negative Poisson's ratio).
When the stem cell is in the process of transforming into a particular type of cell, its nucleus takes on an auxetic property, allowing it to `sponge up' essential materials from its surrounding," said Kevin Chalut from Stem Cell Institute, University of Cambridge.
Alderson et al prepared thermoplastic auxetic foams from conventional thermoplastic foams by complex biaxial compression, heating and cooling stages.
This auxetic behavior essentially opens a window for larger ions to migrate within the pores, and then they remained trapped there after the pressure is released, Vogt said.
The Future of Auxetic Technology, David O'Keefe, president/CEO, Advanced Fabric Technologies, LLC, Houston, TX
Researchers led by Patrick Hook have been working with auxetic yarn at Exeter University for 10 years.
In 2001, auxetic fibers were fabricated using a partial melt spinning technique, with PP, polyester, and nylon fibers being produced (12-14).