Just had a bizarre thought that I have no answer to. Has anyone ever tried bringing out the widmanstatten pattern with a chemical free etch? I was remembering a fellow who liked to "frost" the busts of coins using a scaled down sandblasting outfit. He would mask the unetched areas with rubber cement. However if the taenite and kamacite have different hardnesses, the etch would be differential, so the pattern would emerge, and would happen without much fuss? Who knows what it would look like, but the visual desirability of an chemical etch might just be borne of no other alternatives. At the least there would be no great need for neutralizing the chems away. Just a random thought. Nice day to you all. Bill Anderson
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