15/05/2020 · Bone china samples were produced using two different milling methods: lowenergy ball milling (LEBM) for 3 and 24 h, and highenergy ball milling (HEBM) for 5 pressing, the samples were sintered at temperatures ranging from 1100 °C to 1250 ° 5 min yields a raw materials' specific surface area (BET) almost 50% higher than LEBM 24 h.