Material : Chilled Cast Iron

Method No. : B06

Results

Chilled Cast Iron, BrightfieldMagnification: 300X Etching: 3% Nital

Chilled zone has a lighter colour and the remainingdarker area is gray iron.

Cutting: Abrasive Cut-off machine with Metlab RC-30-50 Abrasive wheel

Mounting: Mounting Press with Phenolic Powder

Mechanical Preparation: FORCIPOL Grinding / Polishing Machine + FORCIMAT Automatic Specimen Mover.

Force per Time Disc Relative

Sample, (N)/(PSI) min. Speed, rpm Rotation

S/C Paper Disc 180 Grit 2 min. or

until plane

S/C Paper Disc 400 Grit

S/C Paper Disc 800 Grit

S/C Paper Disc 1200 Grit

Vellap Cloth 1µ Alumina Suspension Blue

Lube

FOR MORE DETAILED INFORMATION PLEASE REFER TO METLAB PRICE LIST

Preparation Method:

Surface Abrasive LubricantSteps

Contra

2 Water 25/5 2 300 Contra

1 Water 25/5 300

300 Contra

4 Water 20/4 2 250 Contra

3 Water 25/5 2

150 Contra5 20/4 3

FOR MORE DETAILED INFORMATION PLEASE REFER TO METLAB PRICE LIST