Troubleshooting Common Issues

Problem: Deep scratches remain

Solution: Return to coarser grit and remove completely before proceeding

Problem: Scratches from previous step

Solution: Ensure complete removal at each step, increase time if needed

Problem: New scratches introduced

Solution: Check for contamination, clean between steps, use fresh abrasive

Problem: Relief around inclusions

Solution: Reduce polishing time, use softer pad, decrease pressure

Problem: Relief between phases

Solution: Shorter polishing times, softer pad, monitor carefully

Problem: Edge relief

Solution: Use harder pad, reduce pressure, shorter times

Problem: Embedded abrasive particles

Solution: Clean thoroughly between steps, use fresh pad

Problem: Cross-contamination

Solution: Clean sample and equipment between grits, use separate pads

Problem: Oxide contamination

Solution: Clean immediately after polishing, use appropriate solvents

Problem: Excessive material removal

Solution: Reduce polishing time, use lighter pressure

Problem: Loss of edge definition

Solution: Shorter times, monitor frequently, use harder pad

Problem: Smearing (soft materials)

Solution: Reduce time significantly, use very light pressure

Problem: Previous scratches visible

Solution: Increase polishing time, check pad condition

Problem: Incomplete scratch removal

Solution: Extend time, ensure adequate abrasive application

Problem: Uneven surface

Solution: Maintain consistent technique, check for pad wear

Problem: Over-etching

Solution: Reduce etching time, dilute etchant, rinse immediately

Problem: Under-etching

Solution: Increase time slightly, check etchant freshness

Problem: Uneven etching

Solution: Apply etchant evenly, ensure clean surface

Problem: Etching artifacts

Solution: Clean surface thoroughly, use fresh etchant

Problem: Voids in mount

Solution: Check mounting procedure, ensure proper pressure/temperature

Problem: Mount cracking

Solution: Adjust cooling rate, check resin compatibility

Problem: Poor edge retention

Solution: Use appropriate mounting material, ensure proper curing

Problem: Excessive damage

Solution: Start with finer grit, reduce pressure, use adequate coolant

Problem: Incomplete damage removal

Solution: Continue grinding until damage removed, check direction

Problem: Uneven grinding

Solution: Maintain consistent pressure, check paper condition