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Title: Creep and Corrosion Testing of Aluminide Coatings on Ferritic-Martensitic Substrates

Abstract

Pack and chemical vapor deposited (CVD) aluminide coatings on commercial ferritic-martensitic Fe-9Cr-2W steel are being investigated by creep and corrosion testing at 650 C. Results from different coating thicknesses show that the coated region makes no contribution to the creep strength. The creep behavior of uncoated material was studied after various heat treatments to simulate the coating process and typical secondary heat treatments. Alternating creep and corrosion exposures showed little effect on the creep strength of uncoated material but coated materials became progressively weaker. The coatings were protective in wet air at 650 C after creep testing.

Authors:
 [1];  [2];  [1]
+ Show Author Affiliations
  1. ORNL
  2. Tennessee Technological University
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); High Temperature Materials Laboratory; Shared Research Equipment Collaborative Research Center
Sponsoring Org.:
FE USDOE - Office of Fossil Energy (FE)
OSTI Identifier:
931295
DOE Contract Number:  
DE-AC05-00OR22725
Resource Type:
Conference
Resource Relation:
Conference: NACE Corrosion 2007, Nashville, TN, USA, 20070313, 20070317
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; AIR; COATINGS; CORROSION; CREEP; HEAT TREATMENTS; STEELS; SUBSTRATES; TESTING; Ferritic steel; oxidation; creep; aluminide coatings

Citation Formats

Dryepondt, Sebastien N, Zhang, Ying, and Pint, Bruce A. Creep and Corrosion Testing of Aluminide Coatings on Ferritic-Martensitic Substrates. United States: N. p., 2007. Web.
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Dryepondt, Sebastien N, Zhang, Ying, & Pint, Bruce A. Creep and Corrosion Testing of Aluminide Coatings on Ferritic-Martensitic Substrates. United States.
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Dryepondt, Sebastien N, Zhang, Ying, and Pint, Bruce A. Mon . "Creep and Corrosion Testing of Aluminide Coatings on Ferritic-Martensitic Substrates". United States. doi:.
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@article{osti_931295,
title = {Creep and Corrosion Testing of Aluminide Coatings on Ferritic-Martensitic Substrates},
author = {Dryepondt, Sebastien N and Zhang, Ying and Pint, Bruce A},
abstractNote = {Pack and chemical vapor deposited (CVD) aluminide coatings on commercial ferritic-martensitic Fe-9Cr-2W steel are being investigated by creep and corrosion testing at 650 C. Results from different coating thicknesses show that the coated region makes no contribution to the creep strength. The creep behavior of uncoated material was studied after various heat treatments to simulate the coating process and typical secondary heat treatments. Alternating creep and corrosion exposures showed little effect on the creep strength of uncoated material but coated materials became progressively weaker. The coatings were protective in wet air at 650 C after creep testing.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 2007},
month = {Mon Jan 01 00:00:00 EST 2007}
}
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