Two Dimension Carbon Nanotubes Strain Gauge
Date Issued
2006
Date
2006
Author(s)
Wang, Bo-Ren
DOI
zh-TW
Abstract
Since carbon nanotubes were found in 1991, the researches related to carbon nanotubes have discovered that the electric property of carbon nanotubes would change when the carbon nanotubes subjected to strains. We want to use this special electric character to design and fabricate a strain sensor which can detect two dimension strains.
Through finite element software, we can simulate and design the two dimension carbon nanotubes strain gauge. The size of device is 4mm* 4mm* 0.5mm, and eight electric signals will be obtained in one device. Using Nano-Electric-Mechanical-systems technology and Chemical Vapor Deposition, we can fabricate the two dimension carbon nanotubes strain gauge.
The device is attached to the material, and the electric signals of the device will change when the material is subjected to strains. According the data of the electric signals and the strains from the experiments, we can get the maximum Gauge Factor is about 740 and the minimum resolution of strain can reach 0.0000099.
Subjects
奈米碳管
應變規因子
Carbon nanotubes
Gauge Factor
Type
thesis
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