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Rina8888 [55]
3 years ago
11

What does Etching , Stratches and sample size impact hardness results of metals

Chemistry
1 answer:
Zarrin [17]3 years ago
3 0

Answer:

Etching is used to reveal the microstructure of the metal through selective chemical attack. It also removes the thin, highly deformed layer introduced during grinding and polishing. ... The specimen is etched using a reagent.

Explanation:

hope it was helpful.....

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