Densification of Alumina Powder by Using PECS Process with Different Pulse Electric Current Waveforms

Khanh Quoc Dang; Makoto Nanko; Masakazu Kawahara; Shinichi Takei

doi:10.4028/www.scientific.net/MSF.620-622.101

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Densification of Alumina Powder by Using PECS Process with Different Pulse Electric Current Waveforms
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Densification of Alumina Powder by Using PECS Process with Different Pulse Electric Current Waveforms

Abstract:

Densification and sample temperature of alumina (Al2O3) powder during pulsed electric current sintering with different pulse power generators, inverter type and pulsed direct current type were investigated. The sample temperature for inverter generator was higher than that for pulsed direct current generator in same die temperature ranging form 800 to 1400oC. The relative density increased with increasing of the sample temperature.