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Title: Performance of chromia- and alumina-forming Fe- and Ni-base alloys exposed to metal dusting environments: The effect of water vapor and temperature

Abstract

Fe- and Ni-base alloys including an alumina-forming austenitic alloy were exposed for 500 h under metal dusting environments with varying temperature, gas composition and total pressure. For one H 2–CO–CO 2–H 2O environment, the increase in temperature from 550 to 750 °C generally decreased metal dusting. When H 2O was added to a H 2–CO–CO 2 environment at 650 °C, the metal dusting attack was reduced. Even after 5000 h at a total pressure of 9.1 atm with 20%H 2O, the higher alloyed specimens retained a thin protective oxide. Lastly, for gas mixtures containing little or no H 2O, the Fe-base alloys were less resistant to metal dusting than Ni-base alloys.

Authors:
 [1];  [2];  [2];  [2]
  1. Univ. de Toulouse, Toulouse (France)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science & Technology Division, High Temperature Materials Lab.
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1265502
Alternate Identifier(s):
OSTI ID: 1337336
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Corrosion Science
Additional Journal Information:
Journal Volume: 92; Journal Issue: C; Journal ID: ISSN 0010-938X
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 54 ENVIRONMENTAL SCIENCES

Citation Formats

Rouaix-Vande Put, Aurelie, Unocic, Kinga A., Brady, Michael P., and Pint, Bruce A. Performance of chromia- and alumina-forming Fe- and Ni-base alloys exposed to metal dusting environments: The effect of water vapor and temperature. United States: N. p., 2015. Web. doi:10.1016/j.corsci.2014.11.022.
Rouaix-Vande Put, Aurelie, Unocic, Kinga A., Brady, Michael P., & Pint, Bruce A. Performance of chromia- and alumina-forming Fe- and Ni-base alloys exposed to metal dusting environments: The effect of water vapor and temperature. United States. doi:10.1016/j.corsci.2014.11.022.
Rouaix-Vande Put, Aurelie, Unocic, Kinga A., Brady, Michael P., and Pint, Bruce A. Wed . "Performance of chromia- and alumina-forming Fe- and Ni-base alloys exposed to metal dusting environments: The effect of water vapor and temperature". United States. doi:10.1016/j.corsci.2014.11.022. https://www.osti.gov/servlets/purl/1265502.
@article{osti_1265502,
title = {Performance of chromia- and alumina-forming Fe- and Ni-base alloys exposed to metal dusting environments: The effect of water vapor and temperature},
author = {Rouaix-Vande Put, Aurelie and Unocic, Kinga A. and Brady, Michael P. and Pint, Bruce A.},
abstractNote = {Fe- and Ni-base alloys including an alumina-forming austenitic alloy were exposed for 500 h under metal dusting environments with varying temperature, gas composition and total pressure. For one H2–CO–CO2–H2O environment, the increase in temperature from 550 to 750 °C generally decreased metal dusting. When H2O was added to a H2–CO–CO2 environment at 650 °C, the metal dusting attack was reduced. Even after 5000 h at a total pressure of 9.1 atm with 20%H2O, the higher alloyed specimens retained a thin protective oxide. Lastly, for gas mixtures containing little or no H2O, the Fe-base alloys were less resistant to metal dusting than Ni-base alloys.},
doi = {10.1016/j.corsci.2014.11.022},
journal = {Corrosion Science},
number = C,
volume = 92,
place = {United States},
year = {2015},
month = {11}
}

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Cited by: 6 works
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