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Cryogenics for Distortionless Heat Treating
ISSN: 0148-7191, e-ISSN: 2688-3627
Published January 01, 1964 by SAE International in United States
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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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CitationDullberg, E., "Cryogenics for Distortionless Heat Treating," SAE Technical Paper 640827, 1964, https://doi.org/10.4271/640827.
- 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.”
- “A Method for Improving Heat Transfer to A Cryogenic Fluid.” Linde Co., Div. of Union Carbide Corp. Tonawanda, N. Y.