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Full-Text Articles in Engineering Science and Materials
Electromechanical Coupling Behavior Of Dielectric Elastomer Transducers, Jianyou Zhou
Electromechanical Coupling Behavior Of Dielectric Elastomer Transducers, Jianyou Zhou
Electronic Thesis and Dissertation Repository
Dielectric elastomer transducers with large deformation, high energy output, light weight and low cost have been drawing great interest from both the research and industry communities, and shown potential for versatile applications in biomimetics, dynamics, robotics and energy harvesting. However, in addition to multiple failure modes such as electrical breakdown, electromechanical instability, loss-of-tension and fatigue, the performance of dielectric elastomer transducers are also strongly influenced by the hyperelastic and viscoelastic properties of the material. Also, the interplay among these material properties and the failure modes is rather difficult to predict. Therefore, in order to provide guidelines for the optimal design …
The Effect Of Backing Material On Carbon Fibre Severing For High-Volume Production Of Composites, Ryan W. Alexander
The Effect Of Backing Material On Carbon Fibre Severing For High-Volume Production Of Composites, Ryan W. Alexander
Electronic Thesis and Dissertation Repository
The replacement of steel with lightweight carbon fibre reinforced polymer (CFRP) represents one of the alternatives seriously considered by carmakers in preparation for the emission regulations of the future. While CFRPs have been used for a few decades across several industries, the recent price fall of carbon fibres have also made CFRPs attractive for high-volume automotive applications. Some challenges to address before the full-scale deployment of composites in the automotive industry are related to the efficient severing of carbon fibres. To address this, the present study investigated the effects of backing on the performance of carbon fibre severing through the …