作者: Zhu Jianliang
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摘要: The invention discloses a preparation method of grinding ball. comprises the following steps: 1) mixing and carrying out ball on zirconium oxide aluminum at weight ratio 1 to (18 30) until average grain diameter is 0.8mu m 1.2mu m, so as obtain first raw material powder; 2) after uniformly powder prepared by step with white carbon black 0.3mu 0.5mu dolomite 0.9mu silicon carbide 0.4mu 1.5mu putting mixture into forming machine rolling blank 45mm 55mm. not easy crush has high strength good wear-resisting performance.