B4.3 - Investigations of the electrical contacting of new piezoresistive polymer-ceramics
- AMA Conferences 2015
2015-05-19 - 2015-05-21
- Proceedings SENSOR 2015
- B4 - Sensor Materials
- L. Tang, F. Roth, T. Rossner, J. Lotichius, J. Hielscher, N. Nicoloso, R. Werthschützky - Technische Universität Darmstadt (Germany)
- 262 - 266
Silicon oxycarbide nanocomposite with segregated carbon (C/SiOC) belongs to the group of polymer derived ceramics (PDCs). The C/SiOC shows piezoresistive properties by mechanical load. As an advantage over metal foil strain gauges and doped sensing resistors, the C/SiOC material is expected to have a high gauge-factor (k-factor) even for high temperature applications. In order to characterize the piezoresistive properties of the C/SiOC material, force-impedance characteristic must be acequired. The paper will show different layouts of the electrical contacts and different resistance measurement by using four-terminal and two-terminal sensing. The measurement results will be compared to each other and be discussed.