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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Youping Tu Lijian Ding Jinliang He Jun Hu Se-Won Han Han-Goo Cho |
| Copyright Year | 2006 |
| Description | Author affiliation: Dept. of Electr. Eng., North China Electr. Power Univ., Beijing (Youping Tu; Lijian Ding) |
| Abstract | Pore is an intrinsic property of ZnO varistor. There are two different shapes of pores in ZnO varistor samples, one is sphere shape, and another is irregular polyhedron. Pores are caused by air particles wrapped in initial varistor compact and grains-surrounded spaces during the sintering. By analyzing the pore phenomena in two different systems of ZnO varistors, we observed the pore ratio decreases, pores with large size are formed, and the pores inside ZnO grains decreases with the increase of the amount of $Al_{2}O_{3}$ additives, which are caused by the pinning effect of spinel formed by additives. The pores are possibly related to grain growth inhibition by dragging effects |
| Sponsorship | IEEE Dielectics and Electr. Insulation Soc. Udayana Univ. Bali |
| Starting Page | 967 |
| Ending Page | 970 |
| File Size | 4674658 |
| Page Count | 4 |
| File Format | |
| ISBN | 1424401895 |
| DOI | 10.1109/ICPADM.2006.284339 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-06-26 |
| Publisher Place | Indonesia |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Zinc oxide Varistors Grain boundaries Additives Scanning electron microscopy Shape Power system protection Voltage control Electric variables Powders intrinsic property pore ZnO varistor additive |
| Content Type | Text |
| Resource Type | Article |
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