Metal treatment – Compositions – Heat treating
Patent
1988-09-09
1989-10-31
Dean, R.
Metal treatment
Compositions
Heat treating
148 127N, 148410, 148428, C22F 110
Patent
active
048774618
ABSTRACT:
The stress-rupture strength of a nickel-chromium-molybdenum-cobalt alloy is enhanced by reason of a special morphological microsctructure which in terms of carbides present is characterized by a predominant amount of the M.sub.6 C carbide.
REFERENCES:
patent: 3859060 (1975-01-01), Eiselstein et al.
patent: 4474733 (1984-10-01), Susikida et al.
"Microstructure & Phase Stability of Inconel 617", Mankins, Hoiser & Bassford, Metallurgical Transactions, V5, Dec. 1974, 2579-2590.
"Analysis of Precipitated Phase in Heat Treated Inconel Alloy 617", Takahashi T., Fujiwara J., Matsushima T., et al., Trans. Iron and Steel Inst. of Japan, V.18, #221, 1978, 221-224.
"Structure/Property Relationships in Solid--Solution Strengthened Superalloys", Klarstrom D. L., Tawancy M. F., Rothman M. F., Proc. Conf. Superalloys 1984, AIME, 1984, 553-562.
"Creep Properties of Inconel 617 under and Helium at 800.degree. to 1000.degree. C.", Cook R. H., Nuclear Technology, V. 66, Aug. 1984, 283-288.
"Development of a Ni--Base Resistance Alloy (TOMILLOY) for Gas Turbine Combuster", I. Tsuji, H. Ito, K. Tsukagoshi et al., (Mitsubishi Heavy Industries, Ltd.), N.T.I.S. PB83--215889, 1983, pp. 1-23.
Ganesan Pasupathy
Smith Gaylord D.
Tassen Curtis S.
Wheeler Jack M.
Dean R.
INCO Alloys International, Inc.
Kenny Raymond J.
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