Effect of mill type on size reduction and phase transformation of gamma alumina
by emilys diaz
1. Grinding with individual balls
2. Planetary Ball Mill
3. The planetary ball mill as less suitable for the reduction of size of catalyst supports.
4. The ball mill alone, effectively reduces size, with minimal effect on the morphology of the material.
5. Shear-induced phase transformation is observed in a planetary ball mill.
6. The transformation is by sliding in a narrow filled alternating layers of oxygen from CCP to hcp.
7. The effect of stress modes from three mills on the structure of gamma-alumina is studied. Using a scanning electron microscope Carl
8. Grinding is an industrial operation widely used to reduce the size of particles smaller than 10 mm.
9. Grinding of jet
10. For all samples there is a reasonable agreement, qualitatively, between the derived sizes using the 3 techniques as the principles of measurement of the methods are different.
11. Grinding of jet is a method of reduction of size more suitable for the dry milling.
