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Corrosion resistant alumina ceramic and preparation method thereof
The invention discloses a corrosion resistant alumina ceramic and a preparation method thereof. The ceramic includes following raw material by weight: 40-90 parts of alumina, 2-8 parts of sodium oxide, 4-9 parts of calcium carbide, 7-9 parts of oleic acid, 10-12 parts of poly butylene succinate, 4-10 parts of a triggered agent and 1-3 parts of a surface active agent. The preparation method is as follows: melting the alumina, cooling, crushing, adding the oleic acid, mixing evenly, then adding the poly butylene succinate, the triggered agent and the surface active agent, mixing evenly, putting into a crucible, then adding the sodium oxide and the calcium carbide into the crucible, keeping the temperature at 1200 to 1300 DEG C for 1-2 hours, and finally naturally cooling. The oleic acid is used to modify the surface of the crushed alumina, bonding is prevented, and the corrosion resistance is improved.
Corrosion resistant alumina ceramic and preparation method thereof
The invention discloses a corrosion resistant alumina ceramic and a preparation method thereof. The ceramic includes following raw material by weight: 40-90 parts of alumina, 2-8 parts of sodium oxide, 4-9 parts of calcium carbide, 7-9 parts of oleic acid, 10-12 parts of poly butylene succinate, 4-10 parts of a triggered agent and 1-3 parts of a surface active agent. The preparation method is as follows: melting the alumina, cooling, crushing, adding the oleic acid, mixing evenly, then adding the poly butylene succinate, the triggered agent and the surface active agent, mixing evenly, putting into a crucible, then adding the sodium oxide and the calcium carbide into the crucible, keeping the temperature at 1200 to 1300 DEG C for 1-2 hours, and finally naturally cooling. The oleic acid is used to modify the surface of the crushed alumina, bonding is prevented, and the corrosion resistance is improved.
Corrosion resistant alumina ceramic and preparation method thereof
PAN LINGEN (Autor:in) / LIU DAXUE (Autor:in) / GUO YUQIN (Autor:in)
12.08.2015
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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