V.M. Sglavo – CerMatEng - UNITN 2016 Milling · Principles of ceramics processing, ... Ceramic materials: science and engineering., ... V.M. Sglavo – CerMatEng - UNITN 2016 Milling

V.M. Sglavo – CerMatEng - UNITN 2016

Milling

ballmill

4 5

Principles of ceramics processing, 2nd ed., J.S. Reed, J. Wiley & sons, 1995

Principles of ceramics processing, 2nd edition, J. S. Reed, J. Wiley & Sons, 1995 – Ch. 17

V.M. Sglavo – CerMatEng - UNITN 2016

vibratorymill

Principles of ceramics processing, 2nd ed., J.S. Reed, J. Wiley & sons, 1995

V.M. Sglavo – CerMatEng - UNITN 2016

advancedceramics

Comparison among systems

IN

OUT

Principles of ceramics processing, 2nd ed., J.S. Reed, J. Wiley & sons, 1995Ceramic materials: science and engineering., C.B. Carter & M.G. Norton, Springer, 2007

V.M. Sglavo – CerMatEng - UNITN 2016

Principles of ceramics processing, 2nd ed., J.S. Reed, J. Wiley & sons, 1995

V.M. Sglavo – CerMatEng - UNITN 2016

Milling effeciency

Totalenergyforunitofproduct: UT = Ac 1

a m − 1a 0m

⎡

⎣ ⎢

⎤

⎦ ⎥

averagesize

Principles of ceramics processing, 2nd ed., J.S. Reed, J. Wiley & sons, 1995

Ac [KWh(µm)m] Ac [KWh(µm)m]

V.M. Sglavo – CerMatEng - UNITN 2016

Classification of powders

- colloidsorcolloidalparticles(typicallymono-crystalline) 1nm-1µm- coarseparticlesorprimaryparticles 1µm-100µm- granulesoragglomerates 100µm-1mm- aggregates >1mm

Ceramic Processing, M. N. Rahman, CRC Press, 2007