Temperature and corrosion resistant materials such as Turbine Blade Superalloys are prepared mostly with standard metallographic techniques. However, the results can be significantly improved by using finely graded nanometer alpha alumina polishing solutions on a high napped polishing pad.
SECTIONING
MAXCUT Abrasive blade (Cat. No. MAX-E or MAX-I series)
MOUNTING
Compression Mounting with Phenolic, Epoxy or Diallyl Phthalate compression mounting resins
POLISHING
Abrasive/surface |
Lubricant |
Force/ sample |
Time |
240 grit SiC paper |
Water |
5 lbs |
Until plane |
| 9 um DIAMAT diamond on POLYPAD polishing pad | DIALUBE Purple Extender |
5 lbs |
2 minutes |
| 6 um DIAMAT diamond on TEXPAN polishing pad | DIALUBE Purple Extender |
5 lbs |
2 minutes |
1 um DIAMAT diamond on GOLDPAD polishing pad |
DIALUBE Purple Extender |
5 lbs |
2 minutes |
0.05 um Nanometer alumina on NAPPAD polishing pad |
|
5 lbs |
30 seconds |