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Effect of the addition of ZnO seeds on the electrical proprieties of ZnO-based varistors
(Elsevier B.V., 2003-05-26)
ZnO has the characteristic of presenting an intermediate value for the effective 3 eV barrier at room temperature. ZnO ceramics are applied in high-voltage systems or circuits. Attempts were made to reduce the number of ...
Effect of the addition of ZnO seeds on the electrical proprieties of ZnO-based varistors
(Elsevier B.V., 2003-05-26)
ZnO has the characteristic of presenting an intermediate value for the effective 3 eV barrier at room temperature. ZnO ceramics are applied in high-voltage systems or circuits. Attempts were made to reduce the number of ...
Thermal conductivity features of ZnO-based varistors using the laser-pulse method
(Elsevier B.V., 2004-04-25)
The thermal conductivity of several commercial ZnO-based varistor systems was determined based on the laser-pulse method, a technique that proved extremely useful and easy to apply. Using this technique, the thermal ...
Thermal conductivity features of ZnO-based varistors using the laser-pulse method
(Elsevier B.V., 2004-04-25)
The thermal conductivity of several commercial ZnO-based varistor systems was determined based on the laser-pulse method, a technique that proved extremely useful and easy to apply. Using this technique, the thermal ...
Varistores à base de SnO2: estado da arte e perspectivas
(Associação Brasileira de Cerâmica, 2000-09-01)
Este trabalho descreve a história dos varistores à base de SnO2. Nele são apresentadas as principais características deste novo sistema varistor e uma comparação direta com o sistema tradicional à base de ZnO, estabelecendo ...
Varistores à base de SnO2: estado da arte e perspectivas
(Associação Brasileira de Cerâmica, 2000-09-01)
Este trabalho descreve a história dos varistores à base de SnO2. Nele são apresentadas as principais características deste novo sistema varistor e uma comparação direta com o sistema tradicional à base de ZnO, estabelecendo ...
Análisis de varistores mediante STM y STSSTM and STS analysis of ZnO varistors
(Sociedad Española de Cerámica y Vidrio, 2002-12)
Varistores de ZnO fueron estudiados mediante el empleo de microscopía y espectroscopía de efecto túnel. Las curvas de corriente túnel vs. tensión indican que las muestras presentan una conducta rectificante. Dado que la ...
Development of SNO2 based varistors -electrical behavior and pulse degradation comparatively to ZNO varistors
(2017-02-07)
This work presents the most relevant aspects of the SNO2 based varistors technology and a comparative study of its non linear behavior in relation to ZnO (modified Matsuoka system) varistors. Electrical performance at low ...
Desenvolvimento de varistores à base de SnO2 para aplicação em redes de alta tensão
(Associação Brasileira de Cerâmica, 2006-09-01)
Varistores à base de SnO2 foram preparados pelo processo convencional de mistura de óxidos. As amostras foram sinterizadas a 1250 °C por 2 h. Os difratogramas obtidos por difração de raios X e as análises por microscopia ...