Publication

The effect of boundary conditions and sample aspect ratio on apparent d(33) piezoelectric coefficient determined by direct quasistatic method

Nava Setter, Dragan Damjanovic
2004
Journal Articles

Abstract

The effect of boundary conditions (e.g., type of metal contacts) and sample geometry (e.g., sample aspect ratio) on measurements of direct longitudinal d(33) coefficient in piezoelectric ceramics is studied by direct quasistatic method. We show that at small aspect ratio (thickness/lateral dimension

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https://infoscience.epfl.ch/entities/publication/04378329-079e-4c1c-b406-b6209f01d795

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Nava Setter, Dragan Damjanovic
2004
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/04378329-079e-4c1c-b406-b6209f01d795

About this result

Related concepts (32)

Aspect ratio (image)

The aspect ratio of an image is the ratio of its width to its height, and is expressed with two numbers separated by a colon, such as 16:9, sixteen-to-nine. For the x:y aspect ratio, the image is x units wide and y units high. Common aspect ratios are 1.85:1 and 2.39:1 in cinematography, 4:3 and 16:9 in television photography, and 3:2 in still photography. The common film aspect ratios used in cinemas are 1.85:1 and 2.39:1. Two common videographic aspect ratios are 4:3 (1.:1), the universal video format of the 20th century, and 16:9 (1.

Display aspect ratio

The display aspect ratio (or DAR) is the of a display device and so the proportional relationship between the physical width and the height of the display. It is expressed as two numbers separated by a colon (x:y), where x corresponds to the width and y to the height. Common aspect ratios for displays, past and present, include 5:4, 4:3, 16:10, and 16:9. To distinguish: The display aspect ratio (DAR) is calculated from the physical width and height of a display, measured each in inch or cm (Display size).

Ceramic

A ceramic is any of the various hard, brittle, heat-resistant, and corrosion-resistant materials made by shaping and then firing an inorganic, nonmetallic material, such as clay, at a high temperature. Common examples are earthenware, porcelain, and brick. The earliest ceramics made by humans were pottery objects (pots, vessels, or vases) or figurines made from clay, either by itself or mixed with other materials like silica, hardened and sintered in fire.

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The effect of boundary conditions and sample aspect ratio on apparent d(33) piezoelectric coefficient determined by direct quasistatic method

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