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# designing calculation of critical speed of ball mill

### Temperature-induced wear transition in ceramic-metal

(A2) where v is the sliding speed and a is the radius of the circle of contact. With the premise of L<0.1 the flash temperature (Δ T flash) can be estimated using Eq. (A3) where µ is the coefficient of friction (COF) H is the hardness and P is the applied normal load. The parameters used for the calculation of flash temperature are listed

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