scholarly journals Relationship between Stress Corrosion Cracking Susceptibility in High Temperature Water and Intergranular Corrosion Tests of Ni-base Alloy 600

1983 ◽  
Vol 32 (8) ◽  
pp. 442-447
Author(s):  
Shinobu Matsushima ◽  
Yoshihiko Shimizu
Keyword(s):  
High Temperature ◽  
Stress Corrosion ◽  
Stress Corrosion Cracking ◽  
Intergranular Corrosion ◽  
Base Alloy ◽  
Corrosion Cracking ◽  
Alloy 600 ◽  
Corrosion Tests ◽  
High Temperature Water ◽  
Temperature Water

Effects of Carbides on Susceptibility of Alloy 600 to Stress Corrosion Cracking in High-Temperature Water

CORROSION ◽  
1993 ◽  
Vol 49 (11) ◽  
pp. 867-876 ◽  
Author(s):  
R. B. Rebak ◽  
Z. Xia ◽  
Z. Szklarska-Smialowska
Keyword(s):  
High Temperature ◽  
Stress Corrosion ◽  
Stress Corrosion Cracking ◽  
Corrosion Cracking ◽  
Alloy 600 ◽  
Intergranular Stress Corrosion ◽  
High Temperature Water ◽  
Dilute Aqueous Solutions ◽  
Intergranular Stress Corrosion Cracking ◽  
Temperature Water

Abstract The electrochemical behavior of sensitized, carburized, and mill-annealed alloy 600 (UNS N06600) was studied in hydrogenated, aerated, and high-temperature (250°C to 350°C) dilute aqueous solutions. In high-temperature water at high anodic potentials, the current density (CD) from carbide dissolution was higher than CD from matrix dissolution. In oxidizing environments, intergranular stress corrosion cracking propagated in alloy 600 by dissolution of continuous or semicontinuous carbides at the grain boundary, in sensitized and non-sensitized materials.

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