Experiment: Metallography Specimen Preparation and ...Explore further
2020-8-3u2002·u2002Cutoff wheels are indexed from hard to soft and are referred to by 'grade'. As a rule of thumb, a hard bonded wheel should be selected when sectioning soft stock, and a soft wheel for sectioning harder material. A reasonable amount of wheel pressure must be applied so the abrasive grains will 'bite' and remove the metal
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