Home>Bearing knowledge>High quality and low cost ceramic superfine powder skill craft

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High quality and low cost ceramic superfine powder skill craft

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The skill is a dynamic and static high-purity silicon nitride powder sintering process; its intention is to make the reaction gas in the furnace adhere to a certain proportional relationship, improve the handling precision; control the reaction speed in static;
The functional index of silicon nitride powder produced by this skill is now close to the current German M11 powder; beyond Japan's Danka powder; the product has been exported to the United States.
The product has high purity, small particle fineness and large specific surface area; the sintering activity and the function of the sintered body have reached the international level: crystal phase purity α phase = 95%; free Si ≤ 0. 5%; Fe2O3 ≤ 0.1%; CaO ≤ 0. 05%; O ≤ 1. 5%; uniform particle size D50 ≤ 0. 35 μm; particle size dispersion D90 = 0.9 μm; D99 = 1.6 μm; specific surface area BET ≥ 11. 5 m 2 / g; Ube Industries Co., Ltd. (UBE) powder near; but different and easier to form.
This product is mainly used to produce wear-resistant and high-temperature resistant workpieces; for machining ceramic knives, heat-resistant pins, conflict rings, missile radomes, bearing balls, etc.

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