Metal treatment – Process of modifying or maintaining internal physical... – Heating or cooling of solid metal
Patent
1990-06-18
1992-12-22
Roy, Upendra
Metal treatment
Process of modifying or maintaining internal physical...
Heating or cooling of solid metal
148660, 148 27, 266 80, 252372, C21D 174
Patent
active
051731240
ABSTRACT:
Increased cooling rate of an article heated to an elevated temperature is achieved by flowing an inert gas mixture of helium and another inert gas over the article under conditions of turbulent flow.
REFERENCES:
patent: 4571273 (1986-02-01), Ebner
patent: 4643401 (1987-02-01), Obman et al.
patent: 4867808 (1989-09-01), Heilmann et al.
P. E. Pickett, M. F. Taylor & D. M. McEligot, Heated Turbulent Flow of Helium Argon Mixtures in Tubes, pp. 705-719.
Baukal, Jr. Charles E.
Baxter William J.
Kilhefner, III Paul T.
Air Products and Chemicals Inc.
Marsh William F.
Roy Upendra
Simmons James C.
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