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Mechanical degradation of Fe-C-X steels by acidic stress-corrosion cracking

Tim De Seranno (UGent) , Liese Vandewalle (UGent) , Tom Depover (UGent) , Arne Verliefde (UGent) and Kim Verbeken (UGent)
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Abstract
This work evaluates the mechanical degradation of Fe-C-X (X = Cr/Mo/V) steels due to stress-corrosion cracking (SCC) in acidic aqueous environment. Tensile testing of as-quenched and quenched-and-tempered Fe-C-X steels in corrosive environment shows a reduced ductility and yield strength. Secondary stress-corrosion cracks and embrittled regions are detected by scanning electron microscopy. Anodic dissolution and hydrogen embrittlement mechanisms are elaborated to explain the mechanical degradation. A linear correlation between the amount of SCC embrittlement and measured corrosion potentials is obtained. Tempering Fe-C-Cr introduces Cr7C3 and increases the SCC resistance, whereas introduction of Mo2C and V4C3 realizes an increased reactivity and SCC susceptibility.
Keywords
General Materials Science, General Chemistry, General Chemical Engineering, Low alloy steel, Acid solutions, SEM, Stress corrosion, Anodic dissolution, Hydrogen embrittlement, HYDROGEN-INDUCED CRACKING, WASTE-WATER, LOW-ALLOY, ELECTROCHEMICAL NANOINDENTATION, EMBRITTLEMENT SUSCEPTIBILITY, ASSISTED CRACKING, CARBON STEELS, TEMPERATURE, STRENGTH, BEHAVIOR

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MLA
De Seranno, Tim, et al. “Mechanical Degradation of Fe-C-X Steels by Acidic Stress-Corrosion Cracking.” CORROSION SCIENCE, vol. 167, 2020, doi:10.1016/j.corsci.2020.108509.
APA
De Seranno, T., Vandewalle, L., Depover, T., Verliefde, A., & Verbeken, K. (2020). Mechanical degradation of Fe-C-X steels by acidic stress-corrosion cracking. CORROSION SCIENCE, 167. https://doi.org/10.1016/j.corsci.2020.108509
Chicago author-date
De Seranno, Tim, Liese Vandewalle, Tom Depover, Arne Verliefde, and Kim Verbeken. 2020. “Mechanical Degradation of Fe-C-X Steels by Acidic Stress-Corrosion Cracking.” CORROSION SCIENCE 167. https://doi.org/10.1016/j.corsci.2020.108509.
Chicago author-date (all authors)
De Seranno, Tim, Liese Vandewalle, Tom Depover, Arne Verliefde, and Kim Verbeken. 2020. “Mechanical Degradation of Fe-C-X Steels by Acidic Stress-Corrosion Cracking.” CORROSION SCIENCE 167. doi:10.1016/j.corsci.2020.108509.
Vancouver
1.
De Seranno T, Vandewalle L, Depover T, Verliefde A, Verbeken K. Mechanical degradation of Fe-C-X steels by acidic stress-corrosion cracking. CORROSION SCIENCE. 2020;167.
IEEE
[1]
T. De Seranno, L. Vandewalle, T. Depover, A. Verliefde, and K. Verbeken, “Mechanical degradation of Fe-C-X steels by acidic stress-corrosion cracking,” CORROSION SCIENCE, vol. 167, 2020.
@article{8654958,
  abstract     = {This work evaluates the mechanical degradation of Fe-C-X (X = Cr/Mo/V) steels due to stress-corrosion cracking (SCC) in acidic aqueous environment. Tensile testing of as-quenched and quenched-and-tempered Fe-C-X steels in corrosive environment shows a reduced ductility and yield strength. Secondary stress-corrosion cracks and embrittled regions are detected by scanning electron microscopy. Anodic dissolution and hydrogen embrittlement mechanisms are elaborated to explain the mechanical degradation. A linear correlation between the amount of SCC embrittlement and measured corrosion potentials is obtained. Tempering Fe-C-Cr introduces Cr7C3 and increases the SCC resistance, whereas introduction of Mo2C and V4C3 realizes an increased reactivity and SCC susceptibility.},
  articleno    = {108509},
  author       = {De Seranno, Tim and Vandewalle, Liese and Depover, Tom and Verliefde, Arne and Verbeken, Kim},
  issn         = {0010-938X},
  journal      = {CORROSION SCIENCE},
  keywords     = {General Materials Science,General Chemistry,General Chemical Engineering,Low alloy steel,Acid solutions,SEM,Stress corrosion,Anodic dissolution,Hydrogen embrittlement,HYDROGEN-INDUCED CRACKING,WASTE-WATER,LOW-ALLOY,ELECTROCHEMICAL NANOINDENTATION,EMBRITTLEMENT SUSCEPTIBILITY,ASSISTED CRACKING,CARBON STEELS,TEMPERATURE,STRENGTH,BEHAVIOR},
  language     = {eng},
  pages        = {18},
  title        = {Mechanical degradation of Fe-C-X steels by acidic stress-corrosion cracking},
  url          = {http://dx.doi.org/10.1016/j.corsci.2020.108509},
  volume       = {167},
  year         = {2020},
}

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