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Cryogenics for Distortionless Heat Treating
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English
Abstract
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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Citation
Dullberg, E., "Cryogenics for Distortionless Heat Treating," SAE Technical Paper 640827, 1964, https://doi.org/10.4271/640827.Also In
References
- U. S. Patent number 754,301 March 8 1904
- U. S. Patent number 2,174,645 Oct. 3 1939
- U. S. Patent number 2,949,392 Aug. 16 1960
- Grumman Research Dept. preliminary report of February 1964: “Investigation of Quench Media on Electrical and Mechanical Properties of 6061 Aluminum.”
- Ibid.
- “A Method for Improving Heat Transfer to A Cryogenic Fluid.” Linde Co., Div. of Union Carbide Corp. Tonawanda, N. Y.