SPECIMEN PREPARATION
- Cutting
- Rough Grinding
- Mounting: press at an elevated temperature
- Fine Grinding: 240, 360, 480 and 600 grit water paper
- Rough Polishing: 45, 30, 6 micron and finally decreasing to
1 micron polishing powders
- Final Polishing: vibratory polishing (SYNTRAN)
in 0.3 micron to 0.05 micron alumina slurry for 12 hrs