Calcine Temperature Influence Blue Tungsten Oxide Particle Size

The study found that the calcine temperature for blue tungsten oxide fisher particle size has little effect. It is generally believed that during calcine process due to stress crystals and crystal phase change weight, resulting in cracks or broken into particles of irregular particles, but basically maintained the original APT particle dimensions. Blue tungsten fisher particle size only reflect the particle size dimensions, closely related to APT particle, blue tungsten fisher particle size therefore determined by the APT particle size.

In-phase component ATB and W20O58 which has different size，at 800 ℃ condition reducing found blue tungsten oxide fisher particle size has a significant impact on  the reduction of tungsten powder. In the case of blue tungsten surface area substantially the same situation, W20O58 phase component blue tungsten oxide fisher particle size from 7.9um to 12.94um, tungsten powder particle size is reduced from 1.7um to 0.99um. The ATB phase component blue tungsten fisher particle size from 6.22um increase to the 14.00um, the tungsten powder particle fisher particle size from 1.25um down to 1.12um.