Nano Archive

Piezoresistive TiB2/silicone rubber composites for circuit breakers

Jeong, Dae-Yong and Ryu, Jungho and Lim, Yun-Soo and Dong, Shuxiang and Park, Dong-Soo (2009) Piezoresistive TiB2/silicone rubber composites for circuit breakers. Sensors and Actuators A: Physical, 149 (2). 246 - 250.

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Piezoresistive composites with high hardness and conductivity are required for circuit breakers for multi-cycle operation under large current flow. Based on the simulation results for the mechanical behavior of piezoresistive composites, we developed piezoresistive composites with conductive TiB2 ceramic materials and silicone rubber. TiB2 up to 70 vol.% was embedded into the polymer matrix without any mechanical deterioration while the electrical resistance was decreased with increasing TiB2 content. Piezoresistive composites with 70 vol.% TiB2 particles exhibited a resistance of 1.7 Ω at a pressure of 1.1 MPa. A circuit breaker with the fabricated piezoresistive composites acted as a switch with a response time of around 2 ms

Item Type:Article
Uncontrolled Keywords:Piezoresistive; Composite; TiB2; Silicone; Circuit breaker
Subjects:Analytical Science > Nanotechnology for sensing and actuating
Material Science > Nanostructured materials
ID Code:4951
Deposited By:SPI
Deposited On:09 Apr 2009 12:31
Last Modified:09 Apr 2009 12:31

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