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For many years, electroactive ceramic, magnetostrictive material
and shape memory alloys have been the primary source of actuation
materials for manipulation and mobility systems. Electroactive
polymers (EAPs) received relatively little attention due to their
limited capability. However, effective EAP materials have emerged,
changing the paradigm of these materials' capability and potential.
Their main attractive characteristic is the operation similarity to
biological muscles, where under electrical excitation a large
displacement is induced. The potential to operate biologically
inspired mechanisms using EAPs as artificial muscles and organs
offers exciting applications. This book promotes technical exchange
of EAP research and development, as well as provides a forum for
progress reports. Generally, two groups of materials are
covered-dry EAPs and wet EAPs. While overall the dry types require
high voltage for their operation, they also provide larger
mechanical energy density and can hold a displacement under a DC
voltage. Topics include: applications; ferroelectric polymers;
piezoelectric, electrostrictive, and dielectric elastomers;
conductive polymers; polymer gels and muscles and composites and
others.
In celebration of its landmark sixtieth anniversary, the
MassachuSetts Review presents a collection of the best contemporary
and emerging international writers and writers in translation, from
MR's last decade. At a time when English-only readers too often
know little about the rest of the world, this volume is a classroom
in itself. This timely and essential anthology features fiction,
essays, and poetry by Mia Couto, Tabish Khair, Menekse Toprak, Olga
Tokarczuk, and Kim Tae-Young, among others.
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