Actuation Response of Polyacrylate Dielectric Elastomers

By G. Kofod, P. Sommer-Larsen, Roy Kornbluh, Ron Pelrine. SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2001

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Stretch dependence of the electrical breakdown strength and dielectric constant of dielectric elastomers (2013, background): “The difference between the breakdown results obtained in this work and in [21] may arise from the use of different voltage ramps as well as from the different initial thickness of VHB 4905, which is half of the VHB 4910 used in this work.”
The static actuation of dielectric elastomer actuators: how does pre-stretch improve actuation? (2008, methodology): “It has been shown that pre-stretch has the effect of improving actuator performance tremendously [5, 6], which can be partially explained by the observed increase in breakdown strength [7, 12].”
Resonant behavior of a membrane of a dielectric elastomer (2010, background): “12b and c, the experimental data of Fox (2007) match well with our theoretical curve once the dielectric constant is set to be 4.55, a value reported by Kofod et al. (2003).”
Helical dielectric elastomer actuators (2005, positive): “So far, several shape configurations for dielectric elastomer actuators have been proposed, demonstrated and studied, including planar, tube, roll, extender, diaphragm and bender [4] [5] [6] [7] [8] [9] [10] [11] [12] [13].”