Developed in the 1940s, AA7075 is an aluminum alloy that's almost as strong as steel, yet it weighs just one third as much. Unfortunately its use has been limited, due to the fact that pieces of it ...

Titanium and its alloys have been intensively investigated in biomedical applications including artificial joints, because of their excellent resistance to corrosion, elastic modulus characteristics, ...

Friction stir welding joins previously unweldable materials. Friction stir welding, a relatively new process, is having a tremendous impact on welding dissimilar alloys. It was developed in 1991 by ...

Engineers have developed a way to weld AA 7075, an aluminium alloy that is nearly as strong as steel and one-third the weight but almost impossible to join with heat. When the alloy is heated during ...