Annealed Brass


by temaire
Tags: annealed, brass
temaire
temaire is offline
#1
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 Phys.org
Lifting the brakes on fuel efficiency
PsiKick's batteryless sensors poised for coming 'Internet of things'
Researcher launches successful tech start-up to help the blind
Mech_Engineer
Mech_Engineer is offline
#2
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
RacinReaver is offline
#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.


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