Superalloys having improved resistance to hydrogen embrittlement

Details Superalloys having improved resistance to hydrogen embrittlement Superalloys having improved resistance to hydrogen embrittlement

1978-03-01

1981-01-20

Dean, R.

Wells

Processes

75171, 148 115N, 148 127N, 148 32, 148 325, E21B 4300, C22C 1900, C22F 110

Patent

active

042456983

ABSTRACT:
Cold-worked superalloys having improved resistance to hydrogen embrittlement are disclosed. These new superalloys are nickel- or cobalt-chromium-molybdenum superalloys and possess improved resistance to hydrogen embrittlement rendering them useful in deep sour gas wells.

REFERENCES:
patent: 3356542 (1967-12-01), Smith
patent: 3767385 (1973-10-01), Slaney
patent: 4080201 (1978-03-01), Hodge et al.
patent: 4099992 (1978-07-01), Pugliese et al.
patent: 4129464 (1978-12-01), Matthews et al.
Asphahani, Hydrogen Cracking of Nickel-Base Alloys, Jun. 6-11, 1977, Second International Congress on Hydrogen in Metals, Paris, France.
Kirchner et al., Materials Protection and Performance, 10 (1), pp. 11-15, Jan., 1971.

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