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Zinc oxide linear resistance material and preparation method thereof
The invention relates to a zinc oxide linear resistance material and a preparation method thereof. The zinc oxide linear resistance material comprises the following materials in percentage by weight: (85-x)% of ZnO, 3% of MgO, 9% of Al2O3, 2% of La2O3, 1% of SiO2 and x% of Fe2O3, wherein x is more than or equal to 0, and is less than or equal to 3.22. The preparation method comprises the following steps: mixing the raw materials of ZnO, MgO, Al2O3, La2O3 and SiO2; conducting calcination to improve mixing uniform degree of the raw materials; then adding Fe2O3; conducting material mixing, ball milling, pelletization, mouldiness, dry pressing and forming to obtain a cylindric sample; sintering the sample at 1300-1360 DEG C; sintering aluminizing electrodes to obtain the zinc oxide linear resistance material. According to the invention, the resistance material is prepared through the high-temperature solid phase reaction method; the preparation method is simple, has relatively high productive repeatability, and can realize industrialized production.
Zinc oxide linear resistance material and preparation method thereof
The invention relates to a zinc oxide linear resistance material and a preparation method thereof. The zinc oxide linear resistance material comprises the following materials in percentage by weight: (85-x)% of ZnO, 3% of MgO, 9% of Al2O3, 2% of La2O3, 1% of SiO2 and x% of Fe2O3, wherein x is more than or equal to 0, and is less than or equal to 3.22. The preparation method comprises the following steps: mixing the raw materials of ZnO, MgO, Al2O3, La2O3 and SiO2; conducting calcination to improve mixing uniform degree of the raw materials; then adding Fe2O3; conducting material mixing, ball milling, pelletization, mouldiness, dry pressing and forming to obtain a cylindric sample; sintering the sample at 1300-1360 DEG C; sintering aluminizing electrodes to obtain the zinc oxide linear resistance material. According to the invention, the resistance material is prepared through the high-temperature solid phase reaction method; the preparation method is simple, has relatively high productive repeatability, and can realize industrialized production.
Zinc oxide linear resistance material and preparation method thereof
ZHU JIANFENG (author) / LIU QIAN (author) / YANG HAIBO (author) / CHEN HANYU (author) / LI ZHAO (author) / TAN SHENGMEI (author) / DENG QI (author) / LI LINLIN (author) / ZHANG LU (author) / ZHAO HAN (author)
2015-04-01
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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