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This paper demonstrates that porous ‘sandwich’ structures can provide an effective route for the design and optimisation of piezoelectric materials for energy harvesting applications, which is becoming an increasingly important technology for self-powered wireless networks and sensors. A numerical model is presented that accounts for the complex poling distribution throughout a layered ferroelectric...
Through in-situ high-temperature digital image correlation (DIC) and finite element simulation, we unveil new, critical delamination and fracture mechanisms of dense vertically cracked thermal barrier coatings (DVC TBCs). Full-field DIC strain maps of cross-sectioned TBCs during thermal cycling up to 1200 °C reveal the coupled formation mechanisms of vertical and horizontal cracks, which showed that...
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