Science, Maths & Technology
Superplastic forming
...become superplastic, enabling them to be deformed into complex die shapes in a single operation using low pressure air and low cost tooling...Female forming: Blank coated with graphite-releasing agent, preheated in separate furnace. Transferred to double-domed hydraulic press, with built-in die heaters in the domes. Air pressure applied to expand sheet into close contact...