1964-01-01

Cryogenics for Distortionless Heat Treating 640827

This paper deals with the solution heat treatment of aluminum alloys as related to aircraft manufacture. By using liquid nitrogen as the quench medium during heat treating instead of water, a distortionless and residual-stress-free part can be produced. The process makes significant cost savings possible in the fabrication, tooling, design, and installation of aircraft and space vehicle components.

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