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REFRACTORY MATERIALS

NAECODUR® HYBRID REFRACTORY COMPOSITE MATERIALS

The NAECODUR® Family of Hybrid Refractory Composite Contact Materials combines the high wear resistance and arc tolerant advantages of Tungsten and Tungsten Carbide with the superior electrical and thermal conductivity of Copper and Silver.

Refractory Materials

NAECODUR® Silver-Tungsten composites provide high conductivity, low resistivity and high resistance to mechanical wear and arc erosion to high voltage, high temperature, heavy duty switching applications, in oxidizing atmospheres. Additionally, the combination of tungsten carbide and silver creates an even harder material with superior mechanical wear and arc resistance and a higher resistance to contact welding or sticking.

The NAECODUR® Family of Hybrid Refractory Composite Contact Materials

NAECODUR® HYBRID REFRACTORY COMPOSITE MATERIALS

NAECODUR® Copper-Tungsten composites provide lower cost alternatives with excellent wear and conductive characteristics for applications in non-oxidizing atmospheres such as gas filled or oil filled devices. Copper-Tungsten exhibits even higher resistance to arc erosion than Silver-Tungsten, very high mechanical strength and is highly resistant to thermal and mechanical shock. Common uses include high voltage arc runners, arcing tips, spark gap electrodes, contact tips, plunger tips and tulip style receivers. Specially processed Copper-Tungsten materials with minimal occluded gas content are also available for vacuum applications.

The NAECODUR® Family of Hybrid Refractory Composite Contact Materials

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