Grinding and Polishing - ASM International
1. Plane grinding 240-grit bonded diamond disc sprayed 0.5–1 (or until specimen is flat 200–300 120–150 opposite continuously with water and saw marks are removed) to platen 2. Coarse polishing 15 m diamond suspended in water-soluble 5–10 120–150 120–150 opposite oil, sprayed every 20–30 s on napless paper to platen 3