Metal treatment – Stock – Age or precipitation hardened or strengthened
Patent
1989-05-19
1990-11-13
Dean, R.
Metal treatment
Stock
Age or precipitation hardened or strengthened
148 13, 148162, 148428, C22D 1905
Patent
active
049699644
ABSTRACT:
A heat treatment of alloy 617 generally including 732.degree. C.-927.degree. C. (1350.degree. F.-1700.degree. F.) for about one hour. The resultant discontinuous carbide network in the grain boundaries inhibits stress corrosion crack growth in polythionic acid environments.
REFERENCES:
patent: 3859060 (1975-01-01), Eiselstein et al.
"Microstructure and Phase Stability of INCONEL Alloy 617", W. Mankins, J. Hosier & T. Bassford, Metallurgical Transactions, vol. 5, Dec. 1974, pp. 2579-2590.
Analysis of Precipitated Phase in Heat Treated Inconel Alloy 617, Takahashi et al., Trans. Iron & Steel Institute of Japan, vol. 18, No. 221, 1978, pp. 221-224.
Structure/Property Relationships in Solid-Solution of Strengthened Superalloys, D. L. Klarstrom et al., Proc. Conf. "Superalloys 1984", AIME, 1984, 553-562.
INCONEL Alloy 617, Huntington Alloys Inc., 8-79, Copyright 1979.
Crum James R.
Ganesan Pasupathy
Lipscomb William G.
Dean R.
INCO Alloys International, Inc.
Mulligan, Jr. Francis J.
Steen Edward A.
LandOfFree
Heat treatment method for reducing polythionic acid stress corro does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Heat treatment method for reducing polythionic acid stress corro, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Heat treatment method for reducing polythionic acid stress corro will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-775110