Shape recovery effect of SiO2 glass

Takanobu MATSUMURA; Takanori NAKAMURA; Yasuyuki MIYAZAWA; Kazuo TAJIMA; Yoshitake NISHI; Kazuya OGURI

doi:10.2978/jsas.11.36

Shape recovery effect of SiO₂ glass

Takanobu MATSUMURA, Takanori NAKAMURA, Yasuyuki MIYAZAWA, Kazuo TAJIMA, Yoshitake NISHI, Kazuya OGURI

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Keywords: SiO₂ glass, glass transition temperature, actuator, shape memory

JOURNAL FREE ACCESS

1999 Volume 11 Issue 1 Pages 36-37

DOI https://doi.org/10.2978/jsas.11.36

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Abstract

Glass (plastic polymer) normally transforms to supercooled liquid (rubber) above the glass transition temperature (Tg). The transition causes the shape recovery effect. We have studied the shape recovery effect of SiO₂ glass. The shape recovery effect was found in the temperature range from 770K to 1170K. The SiO₂ glass can be a new actuator which can be operated at high temperature.

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