what happens to the mechanical properties of copper?

Question

describe the mechanical properties of copper in it extruded condition and how would you modify the properties to bend copper pipe??

Answer 1

When the copper is extruded, it becomes work hardened predominantly in the longitudinal (lengthwise) direction. This strengthens it considerably (increases the yield strength and ultimate strength), but it makes it considerably less ductile. If you want to make bends in the copper, you still can, but you risk breaking it if you exceed the elastic strain limit. To get around this, you can anneal the copper (heat it to the recrystallization temp for at least 10 minutes and then allow it to cool fairly slowly).

Answer 2

when it gets extruded it is usually cold worked which distorts the crystalline structure which makes it stiffer/harder.

if you heat the metal the energy allows the crystalline to move about and return back to their natural un-distorted form. This makes the metal more maleable. The higher the temperature the easier it is to bend the metal.

Answer 3

unique element that don't get rusty now tell me how u can hold it from weiring or du u play with it as moulding no limits what can be done,its in ones heavy as lead mut iselations can hold it as devider over silver
usefull in u cup to drink from, as eskimo joe said it

Answer 4

ductile material.............HOWEVER in case when it is extruded then there is a change in its grain boundry and it becomes stiffer.to deform in pipe it must be highly heated then........