The oxidation resistance of thermo-mechanically processed Incoloy 800HT in supercritical water

Hamed Akhiani (Corresponding Author), Majid Mezakat, Sami Penttilä, Jerzy Szpunar

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)

Abstract

In this study, we evaluate the oxidation behavior of Incoloy 800HT with a view to its feasible application in the Gen IV supercritical water-cooled reactor. To evaluate the role of microstructure, we implement a specific thermo-mechanical treatment to process Incoloy 800HT. The processed samples were exposed to supercritical water for 100, 300 and 1000 h. We found that the thermo-mechanical processing not only improves the oxidation resistance, but also alleviates the oxide scale spallation. The results demonstrated that in compare with texture, grain size has stronger effect on the oxidation resistance of Incoloy 800HT in supercritical water.
Original languageEnglish
Pages (from-to)150-160
JournalJournal of Supercritical Fluids
Volume101
DOIs
Publication statusPublished - 2015
MoE publication typeA1 Journal article-refereed

Fingerprint

oxidation resistance
Oxidation resistance
water cooled reactors
Water cooled reactors
thermomechanical treatment
Thermomechanical treatment
Water
spallation
Oxides
water
textures
Textures
grain size
Oxidation
microstructure
Microstructure
oxidation
oxides
Processing

Keywords

  • Incoloy 800HT
  • Supercritical water
  • Oxidation
  • Grain boundary engineering
  • Grain boundary character distribution

Cite this

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abstract = "In this study, we evaluate the oxidation behavior of Incoloy 800HT with a view to its feasible application in the Gen IV supercritical water-cooled reactor. To evaluate the role of microstructure, we implement a specific thermo-mechanical treatment to process Incoloy 800HT. The processed samples were exposed to supercritical water for 100, 300 and 1000 h. We found that the thermo-mechanical processing not only improves the oxidation resistance, but also alleviates the oxide scale spallation. The results demonstrated that in compare with texture, grain size has stronger effect on the oxidation resistance of Incoloy 800HT in supercritical water.",
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author = "Hamed Akhiani and Majid Mezakat and Sami Penttil{\"a} and Jerzy Szpunar",
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The oxidation resistance of thermo-mechanically processed Incoloy 800HT in supercritical water. / Akhiani, Hamed (Corresponding Author); Mezakat, Majid; Penttilä, Sami; Szpunar, Jerzy.

In: Journal of Supercritical Fluids, Vol. 101, 2015, p. 150-160.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - The oxidation resistance of thermo-mechanically processed Incoloy 800HT in supercritical water

AU - Akhiani, Hamed

AU - Mezakat, Majid

AU - Penttilä, Sami

AU - Szpunar, Jerzy

PY - 2015

Y1 - 2015

N2 - In this study, we evaluate the oxidation behavior of Incoloy 800HT with a view to its feasible application in the Gen IV supercritical water-cooled reactor. To evaluate the role of microstructure, we implement a specific thermo-mechanical treatment to process Incoloy 800HT. The processed samples were exposed to supercritical water for 100, 300 and 1000 h. We found that the thermo-mechanical processing not only improves the oxidation resistance, but also alleviates the oxide scale spallation. The results demonstrated that in compare with texture, grain size has stronger effect on the oxidation resistance of Incoloy 800HT in supercritical water.

AB - In this study, we evaluate the oxidation behavior of Incoloy 800HT with a view to its feasible application in the Gen IV supercritical water-cooled reactor. To evaluate the role of microstructure, we implement a specific thermo-mechanical treatment to process Incoloy 800HT. The processed samples were exposed to supercritical water for 100, 300 and 1000 h. We found that the thermo-mechanical processing not only improves the oxidation resistance, but also alleviates the oxide scale spallation. The results demonstrated that in compare with texture, grain size has stronger effect on the oxidation resistance of Incoloy 800HT in supercritical water.

KW - Incoloy 800HT

KW - Supercritical water

KW - Oxidation

KW - Grain boundary engineering

KW - Grain boundary character distribution

U2 - 10.1016/j.supflu.2015.03.019

DO - 10.1016/j.supflu.2015.03.019

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JO - Journal of Supercritical Fluids

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