Frequently Asked Questions
In dissimilar metal combinations, such as different aluminium alloys welded to one another or to metals such as copper or steel, a brittle intermetallic layer can form at the weld interface. In order to minimise the formation of these intermetallics a thin-layer of pure aluminium is used. In some circumstances, other interlayers can be used.
For more information see Joining Technologies / friction welding or please contact us.