科研之友
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摘要
An optical method has been applied to measure the elastic modulus of a beetle wing membrane. A specimen was prepared by cutting the beetle wing carefully to take a sample size of 5.0 mm in width and 7.5 mm in length. We used a scanning electron microscope for the exact measurement of the membrane thickness of a beetle wing. It was attached to a fixture in order to induce a uniform displacement using a micromanipulator. We measured the applied load by the use of a load cell with a maximum capacity of 5 N and the corresponding displacement was measured by means of an ARAMIS system based on the digital image correlation method. The measured thickness of the beetle wing varied from point to point of the wing part and the elastic modulus was different according to the loading direction. In conclusion, we successfully measured the elastic modulus of a beetle wing with an ARAMIS system based on an optics based measurement method.
- 出版日期2010-6-30
