Cobalt-base wrought alloy compositions and articles

Details Cobalt-base wrought alloy compositions and articles Cobalt-base wrought alloy compositions and articles

1990-02-28

1993-03-09

Yee, Deborah

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428678, 420588, 148442, C22C 3000, B32B 1500

Patent

active

051926253

ABSTRACT:
New cobalt-base wrought alloys containing 24-32% chromium, 14-22% nickel, 2-8% tantalum, 0.02-0.75% cerium and 0.03%-0.10% carbon have an unique combination of high temperature strength, hot corrosion resistance, oxidation-resistance and resistance to thermal fatigue cracking are useful in making weld repairs of cracked nozzles of gas turbine engines, as protective coatings for hot stage components of such engines and other similar purposes.

REFERENCES:
patent: 1449338 (1923-03-01), McCordy
patent: 2763547 (1956-03-01), Dyrkacz et al.
patent: 3366478 (1968-01-01), Wheaton
patent: 3837838 (1974-09-01), Mohammed
patent: 4124737 (1978-11-01), Wolfla

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