Quote:
Originally posted by 8-Ball
Essentially, you have two options, recrystallise then lapp, risking reintroducing dislocations, or leave it, risking suffering from a "minute" (almost non-existent) deformation in the base.
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Or...
'Coarse' lap to, say 600 grit.
Recrystallize.
Final lap with 600 grit and higher.
Marking the base before final lapping, might allow a person to crudely determine whether meaningful deformation had occurred.