Manganese-aluminum bronze is a relatively harder bronze because of the addition of manganese. Microstructural preparation of this material is relatively straight forward.
SECTIONING
MAXCUT Abrasive blade (MAX-C or MAX-I series)
MOUNTING
Compression Mounting with Phenolic, Epoxy or Diallyl Phthalate compression mounting resins
POLISHING
Abrasive/surface |
Lubricant |
Force/ sample |
Time |
320 grit SiC paper |
Water |
5 lbs |
Until plane |
| 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 |
 |
Nickel-Iron Bronze, 200X B.F. (etchant H2O2 / NH4OH) |