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Ceramic composite resistor of B4C modified by TiO2 and glass phase.

Klimec E., Stobiecki T., Zaraska W.

Inżynieria Materiałowa

1998

R. XIX, nr 4

864-867

Technical progress in the manufacturing technology of composite materials resulted in arising of new generation of bulk resistors, resistant to high levels of overloads and high temperature. These resistors can be applied in extremly heavy working conditions, for instance in cooperation with ignition circuits. The resistors investigated in our research were performed on the basis of ceramic composite consisted of semiconductor boron carbide B4C as conductive phase, aluminium oxide Al2O3 and non-alkali glass as insulators and titanium dioxide TiO2. The technological procedure of the fabrication of resistors and the results of the tests, such as temperature dependence of the electrical resistance and exploitation trials, are presented.