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I
NSTRUCTION
M
ANUAL
3601 E. 34th St. Tucson, AZ 85713 USA Tel. +1 520-882-6598 Fax +1 520-882-6599 email: [email protected] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
NANO 2000T Polisher
4.5.3 Aluminum and Aluminum Alloys
Aluminum and aluminum alloys are difficult to prepare because they are soft and contain oxide
particles which can become dislodged and scratch the surface. The key to polishing aluminum is to
use very fine polishing abrasives (fine aggregates).
Aluminum - Silicon Alloy microstructure,
Kallings etchant
16
Abrasive/surface
Lubricant
Time
P220 grit ALO paper
P500 grit ALO paper
P1200 grit ALO paper
Water
Until plane
1 minute
1 minute
1 um DIAMAT diamond on ATLANTIS pad DIALUBE Purple Extender
2 minutes
0.05 um Nanometer alumina on NAPPAD
pad
1 minute