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Why was etching needed to bring out the grain boundaries?


My answer:
Is it for the light to bounce back?
8 years ago

Answers

DrBob222
You need to provide us information on what you were doing.
8 years ago
Chemistry
Re crystallization of Brass.
we did the Rockwell Hardness test on a metal sample and then we took the metal sample to be seen under a microscope to see if there were any crystal twinning.
This is why we etched the metal but I can not understand why we etched it.
8 years ago

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