Menu
Search
Filters
Close
Menu

Save 20% on select titles with code HIDDEN24 - Shop The Sale Now

10194 Stress Corrosion Cracking of Alloy 625 in Ph 2 Aqueous Solution at High Temperature & Pressure

Picture for 10194 Stress Corrosion Cracking of Alloy 625 in Ph 2 Aqueous Solution at High Temperature & Pressure
Available for download
Product Number: 51300-10194-SG
ISBN: 10194 2010 CP
Author: Hojong Kim, D.B. Mitton, R.M. Latanision
Publication Date: 2010
$0.00
$20.00
$20.00
Stress corrosion cracking (SCC) of Alloy 625 (N06625) has been investigated in pH 2 aqueous solution at high temperatures (300-426oC) and high pressure (24.1MPa) to understand the corrosion behavior in supercritical water oxidation (SCWO) systems, which can destroy aqueous organic waste water with high efficiency with no harmful byproducts. Alloy 625 was exposed to 11 operational (chemical, thermal, pressure) cycles. SCC at subcritical temperature comes from the chemical stability of the elements, which produces a dealloyed oxide layer where Ni is selectively dissolved and Cr forms stable oxides. Its growth is accelerated along the grain boundaries, where SCC develops during the operational cycles. Due to the defective dealloyed oxide layer structure, the diffusivity of Ni is fast, intermediate between the surface and grain boundary diffusivities. SCC at supercritical temperature comes from the direct chemical attack of associated HCl molecules.

Keywords: Supercritical water oxidation, high temperature corrosion, corrosion in SCWO systems, Stress corrosion cracking
Stress corrosion cracking (SCC) of Alloy 625 (N06625) has been investigated in pH 2 aqueous solution at high temperatures (300-426oC) and high pressure (24.1MPa) to understand the corrosion behavior in supercritical water oxidation (SCWO) systems, which can destroy aqueous organic waste water with high efficiency with no harmful byproducts. Alloy 625 was exposed to 11 operational (chemical, thermal, pressure) cycles. SCC at subcritical temperature comes from the chemical stability of the elements, which produces a dealloyed oxide layer where Ni is selectively dissolved and Cr forms stable oxides. Its growth is accelerated along the grain boundaries, where SCC develops during the operational cycles. Due to the defective dealloyed oxide layer structure, the diffusivity of Ni is fast, intermediate between the surface and grain boundary diffusivities. SCC at supercritical temperature comes from the direct chemical attack of associated HCl molecules.

Keywords: Supercritical water oxidation, high temperature corrosion, corrosion in SCWO systems, Stress corrosion cracking
Product tags
Also Purchased
Picture for 96427 Time-Temperature-Sensitization and Time-
Available for download

96427 Time-Temperature-Sensitization and Time-Temperature-Precipitation Behavior of Alloy 625

Product Number: 51300-96427-SG
ISBN: 96427 1996 CP
Author: M. Kohler, U. Heubner
$20.00
Picture for 97010 CORROSION PHENOMENA ON ALLOY 625
Available for download

97010 CORROSION PHENOMENA ON ALLOY 625 IN AQUEOUS SOLUTIONS CONTAINING HYDROCHLORIC ACID AND OXYGEN UNDER SUBCRITICAL AND SUPERCRITICAL CONDITIONS

Product Number: 51300-97010-SG
ISBN: 97010 1997 CP
Author: Boukis, N., Kritzer, P.
$20.00
Picture for 01141 CREVICE CORROSION STABILIZATION AND
Available for download

01141 CREVICE CORROSION STABILIZATION AND REPASSIVATION BEHAVIOR OF ALLOYS 625 AND 22

Product Number: 51300-01141-SG
ISBN: 01141 2001 CP
Author: B. A. Kehler, G.O. Ilevbare and J.R. Scully
$20.00
Categories
Industry
Recently viewed
Popular tags
View all

Association for Materials Protection and Performance

© AMPP All Rights Reserved.
Membership Terms of Content Use
Contact Customer Support