Electrical Properties of Woodceramics
Woodceramics have recently attracted much attention as ecomaterials at low cost. Electrical properties of the woodceramics (WCM hereafter) have been characterized in the range 10-70% relative humidity and for temperatures from -20 to 100°C. The WCM bulk has been prepared by burning MDF board impregn...
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| Veröffentlicht in: | Journal of porous materials 1999-05, Vol.6 (3), p.255-258 |
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| container_title | Journal of porous materials |
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| creator | Suda, Toshikazu Kondo, Nobukazu Okabe, Toshihiro Saito, Kouji |
| description | Woodceramics have recently attracted much attention as ecomaterials at low cost. Electrical properties of the woodceramics (WCM hereafter) have been characterized in the range 10-70% relative humidity and for temperatures from -20 to 100°C. The WCM bulk has been prepared by burning MDF board impregnated with phenolic resin at 650 and 750°C. Electrical resistance decreased linearly with increasing temperature, indicating the negative temperature coefficient like semiconductor. Relative humidity dependence of the resistance also indicated excellent linear characteristics between 10 and 70% RH measured here. Activation energies of 0.21, 0.15, 0.05, and 0.01 eV have been revealed from van der Pauw method. The excellent linearity for humidity and temperature is prominent advantages of WCM which may be useful as a new humidity and also temperature sensor.[PUBLICATION ABSTRACT] |
| doi_str_mv | 10.1023/A:1009644316468 |
| format | Article |
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Electrical properties of the woodceramics (WCM hereafter) have been characterized in the range 10-70% relative humidity and for temperatures from -20 to 100°C. The WCM bulk has been prepared by burning MDF board impregnated with phenolic resin at 650 and 750°C. Electrical resistance decreased linearly with increasing temperature, indicating the negative temperature coefficient like semiconductor. Relative humidity dependence of the resistance also indicated excellent linear characteristics between 10 and 70% RH measured here. Activation energies of 0.21, 0.15, 0.05, and 0.01 eV have been revealed from van der Pauw method. 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| fulltext | fulltext |
| identifier | ISSN: 1380-2224 |
| ispartof | Journal of porous materials, 1999-05, Vol.6 (3), p.255-258 |
| issn | 1380-2224 1573-4854 |
| language | eng |
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| source | SpringerNature Journals |
| subjects | Combustion Electrical properties Electrical resistance Humidity MDF Porous materials Relative humidity Semiconductors Temperature |
| title | Electrical Properties of Woodceramics |
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