Fatigue resistance of monolithic lithium disilicate ...
12%Ball mill description. The ball mill machine (Fig. 2a) is composed of a stainless-steel drum with an internal space (140 mm deep and 120 mm in diameter; volume, ~ 1600 cm 3), charged with 500 mL distilled water, and 10 zirconia and 10 stainless-steel (AISI 316) spheres with diameters of 20 and 25 mm, respectively.The drum is enveloped in a glass–epoxy jacket with built-in …
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