4-point bending of a thermal barrier coating microbeam

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Uploaded by on Jan 18, 2009

Thermal barrier coatings are used as protective ceramic layers, for example on turbine blades in the hot section of jet engines. These coating allow for higher operating temperatures in the engines and higher efficiency. This movie shows a microbending experiment of a ceramic topcoat to measure the mechanical response of the coating. Displacement and strain fields were computed using digital image correlation and are superimposed on the images.

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Science & Technology

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