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Journal of the Korean Ceramic Society 1980;17(3): 133. |
| $KNO_3$의 첨가가 ZNR (Zinc Oxide Nonlinear Resistor)에 미치는 영향에 관한 연구 |
| 안영필, 김복희 |
| 한양대학교 무기재료공학과 |
| A study on the ZNR (Zinc Oxide Nonlinear Resistor) with $KNO_3$ |
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| ABSTRACT |
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Nonohmic properties of ZnO ceramics with various small amounts of additives were studied in relation to sintering temperature and additive content. The kinds of additives used were basic additives ($Bi_2O_3$, $BaCO_3$, $MnCO_3$, $Cr_2O_3$) and $KNO_3$ Especially this study has focused on the effects of $KNO_3$ in ZnO ceramics with basic additives. SEM studies indicated that microstructures of ZnO, $KNO_3$ and basic additives showed homogenuous grain size in comparison to ZnO and basic additives compounds. The nonohmic exponent ($alpha$) in ZnO, $KNO_3$ and basic additives component were measured as high as 40. |
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