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Special ceramic for thermal spraying and preparation method thereof
The invention discloses a special ceramic for thermal spraying. The special ceramic for thermal spraying comprises, by weight, 35-42 parts of aluminum oxide, 20-24 parts of forsterite, 13-17 parts of zinc tetrahydroxychromate, 3-5 parts of boron nitride, 5-9 parts of nano-zinc oxide, 4-6 parts of manganese dioxide, 3-5 parts of feldspar, 1-3 parts of triethanolamine, 1-4 parts of kaolin, 2-4 parts of silica sol, 7-9 parts of sodium hyaluronate, 3-7 parts of polyving akohol, 3-5 parts of paraffin, 6-9 parts of rare earth composite powder and defined amount of deionized water. The rare earth composite powder comprises, by weight, 21%-26% of Pr, 16%-23% of Ce, 5%-9% of Gd, 4%-7% of Sm, 16%-18% of Tb and the balance La, and the sum of all components is 100%. According to the special ceramic for thermal spraying, the ceramic is delicate and hard, hardness and abrasion resistance are extremely high, carbon fibers are added so that tenacity and abrasion resistance of the ceramic are improved, forsterite is added so that heat resistance and abrasion resistance of the ceramic can be improved, and a coating that is produced by the ceramic is good in crack resistance and long in service life.
Special ceramic for thermal spraying and preparation method thereof
The invention discloses a special ceramic for thermal spraying. The special ceramic for thermal spraying comprises, by weight, 35-42 parts of aluminum oxide, 20-24 parts of forsterite, 13-17 parts of zinc tetrahydroxychromate, 3-5 parts of boron nitride, 5-9 parts of nano-zinc oxide, 4-6 parts of manganese dioxide, 3-5 parts of feldspar, 1-3 parts of triethanolamine, 1-4 parts of kaolin, 2-4 parts of silica sol, 7-9 parts of sodium hyaluronate, 3-7 parts of polyving akohol, 3-5 parts of paraffin, 6-9 parts of rare earth composite powder and defined amount of deionized water. The rare earth composite powder comprises, by weight, 21%-26% of Pr, 16%-23% of Ce, 5%-9% of Gd, 4%-7% of Sm, 16%-18% of Tb and the balance La, and the sum of all components is 100%. According to the special ceramic for thermal spraying, the ceramic is delicate and hard, hardness and abrasion resistance are extremely high, carbon fibers are added so that tenacity and abrasion resistance of the ceramic are improved, forsterite is added so that heat resistance and abrasion resistance of the ceramic can be improved, and a coating that is produced by the ceramic is good in crack resistance and long in service life.
Special ceramic for thermal spraying and preparation method thereof
WU MING (author) / HUANG LI (author) / HUANG SHIYU (author) / LIU FANG (author)
2015-08-05
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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