Metal treatment – Stock – Age or precipitation hardened or strengthened
Patent
1997-06-03
1999-03-30
Phipps, Margery
Metal treatment
Stock
Age or precipitation hardened or strengthened
148428, 148419, 148442, 420448, 420588, C22C 1905
Patent
active
058883169
ABSTRACT:
This invention relates to nickel-cobalt based alloys comprising the following elements in percent by weight: from about 0.002 to about 0.07 percent carbon, from about 0 to about 0.04 percent boron, from about 0 to about 2.5 percent columbium, from about 12 to about 19 percent chromium, from about 0 to about 6 percent molybdenum, from about 20 to about 35 percent cobalt, from about 0 to about 5 percent aluminum, from about 0 to about 5 percent titanium, from about 0 to about 6 percent tantalum, from about 0 to about 6 percent tungsten, from about 0 to about 2.5 percent vanadium, from about 0 to about 0.06 percent zirconium, and the balance nickel plus incidental impurities, the alloys having a phasial stability number N.sub.v3B less than about 2.60. Furthermore, the alloys have at least one element selected from the group consisting of aluminum, titanium, columbium, tantalum and vanadium. Also, the alloys have at least one element selected from the group consisting of tantalum and tungsten. Articles for use at elevated temperatures, such as fasteners, can be suitably made from the alloys of this invention.
REFERENCES:
patent: 3061426 (1962-10-01), Bieber
patent: 3300347 (1967-01-01), Kasza et al.
patent: 3356542 (1967-12-01), Smith
patent: 3385698 (1968-05-01), MacFarlane et al.
patent: 3411899 (1968-11-01), Richards et al.
patent: 3589893 (1971-06-01), Lund et al.
patent: 3667938 (1972-06-01), Boesch
patent: 3767385 (1973-10-01), Slaney
patent: 4093476 (1978-06-01), Boesch
patent: 4795504 (1989-01-01), Slaney
patent: 4908069 (1990-03-01), Doherty et al.
patent: 4931255 (1990-06-01), Doherty et al.
patent: 5037495 (1991-08-01), Henry
patent: 5156808 (1992-10-01), Henry
patent: 5226980 (1993-07-01), Tsukuta et al.
patent: 5370497 (1994-12-01), Doi et al.
patent: 5476555 (1995-12-01), Erickson
patent: 5637159 (1997-06-01), Erickson
"Phacomp Revisted" by H.J. Murphy, C.T. Sims and A.M. Beltran, vol. 1 International Symposium on Structural Stability in Superalloys (1968).
Which High Performance Material for High-Performance Fastening? by Thomas A. Roach, Materials Engineering, Jul. 1981, 5 pages.
"Aerospace High Performance Fasteners Resist Stress Corrosion Craching" by Thomas A. Roach, Materials Performace vol. 23, No. 9, pp. 42-45, Sep. 1984.
"Mechanical Properties of a New Higher Temperature Multiphase .RTM. Superalloy", by Hagan et al. Superalloys 1984, Conf. Proc. Metallurgical Soc of AIME Oct. 7-11, 1984 pp. 621-630.
Rene 95 Alloy Specificator, Alloy Digest , Filing Code: Ni-203 Apr. 1974.
GE Alloy Rene41 Specification, Alloy Digest, Filing Code, Ni-47, Nov. 1958.
Inconel 718 Alloy Specification, Alloy Digest Filing Code Ni-65 Apr. 1961.
Waspaloy Alloy Specification, Alloy Digest, Filing Code Ni-129, Nov. 6-7.
SAE Aerospace Material Specification AMS 5707G, revised Jan. 1, 1989.
SAE Aerospace Material Specification AMS-5708. Rev. F, Revised Apr. 1990.
"The Influence of VIM Crucible Composition, Vacuum Arc Remelting and Electroslag Remelting on the Non-Metallic Inclusion Content of Merl 76" by Brown et al. Proccedings of the Fouth International Symposium on Superalloys, pp. 159-168. Sep. 1980.
Dee James D.
Phipps Margery
SPS Technologies, Inc.
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