NDLI: Stress Corrosion Cracking of SA-543 High-Strength Steel in All-Volatile Treatment Boiler Feed Water

Content Provider	Springer Nature Link
Author	Rihan, R. Basha, M. Al Meshari, A. Bayramov, A. Zyl, G. Dafalla, H. Mohamed, A. I.
Copyright Year	2015
Abstract	Susceptibility of SA-543 steel, its welds (with and without stress relief treatment), and the heat-affected zone (HAZ) to stress corrosion cracking (SCC) was investigated in de-aerated and aerated boiler feed water subjected to the all-volatile treatment (AVT-BFW), and distilled water at 275 °C using the slow strain rate testing (SSRT) technique. The SSRT specimens were tested at three extension rates (3.50 × 10$^{−6}$, 9.00 × 10$^{−6}$, and 7.50 × 10$^{−5}$ mm/s) using a novel SCC testing rig capable of testing at high temperatures and pressures. There are no significant differences in the time-to-failure among the four tested specimens. The elongation of the specimens at the time of failure is in the range of 10-23%. The reduction of the cross-sectional area of the failed specimens is large (45-77%) and the absence of any signs of intergranular propagation in fractured specimens, determined by scanning electron microscopy, indicates that the failure is due to mechanical load and not due to SCC. Dissolved oxygen does not affect the susceptibility of the specimens to SCC, which could be due to the inhibition effect of the test solution. SA-543 steel as the base metal, its welds (with and without stress relief treatment), and the HAZ are suitable for use in hot AVT-BFW and distilled water.
Starting Page	3773
Ending Page	3782
Page Count	10
File Format	PDF
ISSN	10599495
Journal	Journal of Materials Engineering and Performance
Volume Number	24
Issue Number	10
e-ISSN	15441024
Language	English
Publisher	Springer US
Publisher Date	2015-09-03
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	All-volatile treatment Corrosion and wear Heat-affected zone Heat treatment SA-543 steel Stress corrosion cracking Welds Characterization and Evaluation of Materials Tribology, Corrosion and Coatings Quality Control, Reliability, Safety and Risk Engineering Design
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Materials Science Mechanical Engineering

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