NASA NTRS · 20080004312
Elevated temperature envelope forming
Abstract
Elevated temperature envelope forming includes enclosing a part blank and form tool within an envelope sealed against the atmosphere, heat treating the combination while forming pressure holds the envelope and part against the form tool, and allowing part cool down to occur in an inert atmosphere with forming pressure removed. The forming pressure is provided by evacuating the envelope and may be aided by differential force applied between the envelope and the form tool.
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Burg, Bruce M., Gane, David H., Starowski, Robert M.. 1992-09-08. Elevated temperature envelope forming. https://ntrs.nasa.gov/citations/20080004312
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