cobalt chromium Flashcards
1
Q
what does chromium do
A
tarnish resistance and stainless properties, form inert chromium oxide layer on surface
solid solution harderner
2
Q
what does cobalt do
A
increase strength, hardness and modulus of elasticity
3
Q
what does nickel do
A
decrease the strength, hardness and mod of elasticity but increases ductility
4
Q
what does mangenese,B, Beryllium, other metals do
A
solid solution hardener
