Hydrogen-resistant high-strength steels and the method for the m

Details Hydrogen-resistant high-strength steels and the method for the m Hydrogen-resistant high-strength steels and the method for the m

1987-11-25

1989-06-06

Yee, Deborah

Metal treatment

Stock

Ferrous

420 83, 420129, C22C 3800

Patent

active

048368695

ABSTRACT:
A high-strength steel having improved resistance to hydrogen embrittlement characterized as being essentially free of manganese and having a stable rare earth oxymetalloid dispersion consisting of, e.g., lanthanum oxysulfide and lanthanum phosphate. The steel prepared using rapid solidification processing coupled with late addition of the rare earth.

REFERENCES:
Olson et al., "Rapidly Solidified Ferrous Alloys", in Proceedings of the TMS-AIME Meeting Held May 1-3, 1985.
Garcia et al., J. of Metals, pp. 22-28 (Sep. 1985).
Lea, Metal Science, pp. 107-112 (Mar. 1980).
Lee et al., Metallurgical Transactions A 15A: 1415-1430 (Jul. 1984).
Kameda et al., Metallurgical Transactions A 14A:903-911 (May 1983).
Banerji et al., Metallurgical Transactions A 9A:237--247 (Feb. 1978).
Bandyopadhyay et al., Metallurgical Transactions A 14A:881-888 (May 1983).
Seah et al., Metal Science, pp. 307-314 (May 1979).

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