Fabrication of All-SiC Fiber-Optic Pressure Sensors for High-Temperature Applications.
Fabrication of All-SiC Fiber-Optic Pressure Sensors for High-Temperature Applications.
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DOI:
10.3390/s16101660
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发表时间:
2016-10-17
期刊:
影响因子:
--
通讯作者:
Zhang D
中科院分区:
文献类型:
--
作者:
Jiang Y;Li J;Zhou Z;Jiang X;Zhang D
Single-crystal silicon carbide (SiC)-based pressure sensors can be used in harsh environments, as they exhibit stable mechanical and electrical properties at elevated temperatures. A fiber-optic pressure sensor with an all-SiC sensor head was fabricated and is herein proposed. SiC sensor diaphragms were fabricated via an ultrasonic vibration mill-grinding (UVMG) method, which resulted in a small grinding force and low surface roughness. The sensor head was formed by hermetically bonding two layers of SiC using a nickel diffusion bonding method. The pressure sensor illustrated a good linearity in the range of 0.1–0.9 MPa, with a resolution of 0.27% F.S. (full scale) at room temperature.
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