6061 Aluminum Alloy
Specimen Preparation (Class 1 Procedures)
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The difficulty in preparing these materials arises from the fact that these materials have oxide inclusions in the microstructure. Proper specimen preparation retains these oxides and thus eliminates scratching and smearing from these particles. If the specimen is not prepared properly, the microstructure will not be accurately represented.
SECTIONING
MAXCUT Abrasive blade (Cat. No. MAX-C or MAX-I series)
MOUNTING
Compression Mounting with Phenolic, Epoxy or Diallyl Phthalate compression mounting resins.
POLISHING
| Abrasive/surface | Lubricant | Force/ sample | Speed (Head/base) |
Time | Individual Force mode |
Central Force mode |
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| P120 grit ALO paper* P220 grit ALO paper* |
Water | 5-10 lbs | 100/100 rpm | Planar 1 min |
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| P500 grit ALO paper P1200 grit ALO paper |
Water | 5-10 lbs | 100/100 rpm | 1 min 1 min |
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| 1 um DIAMAT diamond on ATLANTIS polishing pad |
Water | 5-10 lbs | 100/100 rpm | 2 min | |
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| 0.05 um Nanometer alumina on NAPPAD polishing pad |
5-10 lbs | 100/100 rpm | 1 min | |
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*Required for central polishing force. Click here for more information on central vs. individual polishing force polishing.
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| 6061 Aluminum Alloy, Etched Kellers Reagent, 200X |
ETCHING
Common Etchants
CAUTION:Safety is very important when etching. Be sure to wear the appropriate protective clothing and observe all WARNINGS on chemical manufacuters SDS (Safety Data Sheets). Also review the COMMENTS and CONDITIONS Section for each etchant.
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