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Annealed Brass

by temaire
Tags: annealed, brass
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temaire
#1
Apr29-11, 10:51 AM
P: 274
Here is an optical microstructure of annealed brass:



Where does the contrast between grains come from?
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Mech_Engineer
#2
May4-11, 10:39 AM
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P: 2,241
The molecular structure is oriented at different angles in each grain, and therefore reflects light differently.
RacinReaver
#3
May5-11, 10:39 AM
P: 2
It comes from your etchant attacking different parts of the surface of your material at different rates.


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