Tool steels are very hard steels, typically in the range of Rc 50-60. Microstructural preparation is relatively staight forward. With the use of polycrystalline diamond and nanometer alumina abrasives, these very hard materials can be very easy to polish..
SECTIONING
MAXCUT Abrasive blade (Cat. No. MAX-H 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 pad |
DIALUBE Purple Extender |
5 lbs |
3 minutes |
3 um DIAMAT diamond on TEXPAN pad |
DIALUBE Purple Extender |
5 lbs |
3 minutes |
1 um DIAMAT diamond on DACRON pad |
DIALUBE Purple Extender |
5 lbs |
2 minutes |
0.05 um Nanometer alumina on MICROPAD pad |
|
5 lbs |
30 seconds |
 |
44 MnV F6 Steel, 500X, 3 second nital etch
|