Annealed Brass

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

Where does the contrast between grains come from?
Phys.Org News Partner Engineering news on
A smart prosthetic knee with in-vivo diagnoses
Old tires become material for new and improved roads
Students take clot-buster for a spin
Mech_Engineer is offline
May4-11, 10:39 AM
Sci Advisor
PF Gold
Mech_Engineer's Avatar
P: 2,234
The molecular structure is oriented at different angles in each grain, and therefore reflects light differently.
RacinReaver is offline
May5-11, 10:39 AM
P: 2
It comes from your etchant attacking different parts of the surface of your material at different rates.

Register to reply

Related Discussions
Making brass & brass sheet Materials & Chemical Engineering 7
Shear stress for annealed & toughened glass Mechanical Engineering 1
1018 Annealed Materials & Chemical Engineering 2
Strange Effects When Nitinol is Annealed at 300 C electrically Electrical Engineering 3