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Titanium superplastic forming

A hot-forming process for fine-grained titanium sheets at elevated temperatures and low strain rates, where the material undergoes extremely high elongations without local necking to produce complex component geometries.

Titanium superplastic forming is a sheet metal forming process, not a welding process. The titanium is stretched very slowly at high temperature so it can be deformed extremely far without local thinning or tearing. You need a clean, controlled atmosphere because titanium otherwise picks up oxygen and nitrogen immediately at that high temperature and becomes brittle. If you confuse it with welding: nothing is melted here; the material stays solid and is formed by 'flowing'.

MetallurgieSchweißtechnik

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