Extrusion of seamless molybdenum rhenium alloy pipes

Details Extrusion of seamless molybdenum rhenium alloy pipes Extrusion of seamless molybdenum rhenium alloy pipes

1992-09-22

1993-11-23

Larson, Lowell A.

Metal deforming

With exposure of work to gas, vapor, mist, or modified...

72364, 72257, B21D 3716

Patent

active

052633497

ABSTRACT:
The present invention relates to a process for extruding molybdenum-rhenium alloys into tubes or pipes. The invention is capable of high temperature extrusion of MoRe alloys, which comprise about 10 to 50 wt. % rhenium, into a seamless piper or tube. The steps of the process generally comprise fabricating a MoRe billet or blank which includes a pilot hole that extends along the longitudinal axis of the billet, heating the billet to a temperature of at least about 1300.degree. C., and extruding the heated billet by operation of an extrusion press.

REFERENCES:
patent: 2666721 (1954-01-01), Bechtold et al.
patent: 2721138 (1955-10-01), Baker et al.
patent: 3173283 (1965-03-01), Vogtmann
patent: 3350907 (1967-11-01), McDonald et al.
patent: 3570106 (1971-03-01), McGurty et al.
patent: 3796082 (1974-03-01), Honsinger et al.
patent: 3804045 (1974-04-01), Banks, Jr.
patent: 3987655 (1976-10-01), Myotte
patent: 4077811 (1978-03-01), Burman
"Theoretical and Experimental Study of the Glass Lubricated Extrusion Process", Jan. 1975, P. Baque, J. Pantin and G. Jacob.
"Effect of Deformation Conditions on the Quality of Molybdenum Tubes", Kravchenko et al., 1991.
"Production of Pipes From M-lybdenum by Extrusion and Rolling in an Oblique Rolling Mill", Kozeradskii et al., 1982.
"Extrusion and Rolling of Tube Billets from High-Melting Metals", Krupin et al, 1979.
"Preparation and Properties of Long Molybdenum Tubes", J. Devillard 1978.
"Study of Processes for the Plastic Forming of Pipe Blanks from Factory Metals", Polukhin et al. 1977.
"An Initial Evaluation of Molybdenum-Rhenium Alloy for Reactor Heat Pipes", Merrigan et al., 1983.
"Critical Evaluation of Molybdenum and its Alloys for use in Space Reactor Core Heat Pipes", L. B. Lundberg, 1981.
"Effect of Heat Treatment on Structure and Properties of Alloys Based on Refractory Metals", Yu. V. Mil'man. 1984.

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