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Title: Grain boundary selective oxidation and intergranular stress corrosion crack growth of high-purity nickel binary alloys in high-temperature hydrogenated water

Abstract

The effects of alloying elements in Ni-5at%X binary alloys on intergranular (IG) corrosion and stress corrosion cracking (SCC) have been assessed in 300-360°C hydrogenated water at the Ni/NiO stability line. Alloys with Cr or Al additions exhibited grain boundary oxidation and IGSCC, while localized degradation was not observed for pure Ni, Ni-Cu or Ni-Fe alloys. Environment-enhanced crack growth was determined by comparing the response in water and N2 gas. Results demonstrate that selective grain boundary oxidation of Cr and Al promoted IGSCC of these Ni alloys in hydrogenated water.

Authors:
; ; ;
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Environmental Molecular Sciences Lab. (EMSL)
Sponsoring Org.:
USDOE
OSTI Identifier:
1422270
Report Number(s):
PNNL-SA-129070
Journal ID: ISSN 0010-938X; 49685; KC0202040
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Journal Article
Journal Name:
Corrosion Science
Additional Journal Information:
Journal Volume: 131; Journal Issue: C; Journal ID: ISSN 0010-938X
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
selective oxidation; intergranular corrosion; SCC; Environmental Molecular Sciences Laboratory

Citation Formats

Bruemmer, S. M., Olszta, M. J., Toloczko, M. B., and Schreiber, D. K. Grain boundary selective oxidation and intergranular stress corrosion crack growth of high-purity nickel binary alloys in high-temperature hydrogenated water. United States: N. p., 2018. Web. doi:10.1016/j.corsci.2017.11.024.
Bruemmer, S. M., Olszta, M. J., Toloczko, M. B., & Schreiber, D. K. Grain boundary selective oxidation and intergranular stress corrosion crack growth of high-purity nickel binary alloys in high-temperature hydrogenated water. United States. https://doi.org/10.1016/j.corsci.2017.11.024
Bruemmer, S. M., Olszta, M. J., Toloczko, M. B., and Schreiber, D. K. 2018. "Grain boundary selective oxidation and intergranular stress corrosion crack growth of high-purity nickel binary alloys in high-temperature hydrogenated water". United States. https://doi.org/10.1016/j.corsci.2017.11.024.
@article{osti_1422270,
title = {Grain boundary selective oxidation and intergranular stress corrosion crack growth of high-purity nickel binary alloys in high-temperature hydrogenated water},
author = {Bruemmer, S. M. and Olszta, M. J. and Toloczko, M. B. and Schreiber, D. K.},
abstractNote = {The effects of alloying elements in Ni-5at%X binary alloys on intergranular (IG) corrosion and stress corrosion cracking (SCC) have been assessed in 300-360°C hydrogenated water at the Ni/NiO stability line. Alloys with Cr or Al additions exhibited grain boundary oxidation and IGSCC, while localized degradation was not observed for pure Ni, Ni-Cu or Ni-Fe alloys. Environment-enhanced crack growth was determined by comparing the response in water and N2 gas. Results demonstrate that selective grain boundary oxidation of Cr and Al promoted IGSCC of these Ni alloys in hydrogenated water.},
doi = {10.1016/j.corsci.2017.11.024},
url = {https://www.osti.gov/biblio/1422270}, journal = {Corrosion Science},
issn = {0010-938X},
number = C,
volume = 131,
place = {United States},
year = {Thu Feb 01 00:00:00 EST 2018},
month = {Thu Feb 01 00:00:00 EST 2018}
}

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Works referencing / citing this record:

Development of an Oxidation Method for Prior Austenite Grain Boundary Revelation
journal, August 2018


Chemo-mechanical coupling effect on high temperature oxidation: A review
journal, July 2019