Method for reducing formation of electrically resistive layer on ferritic stainless steels
Abstract
A method of reducing the formation of electrically resistive scale on a an article comprising a silicon-containing ferritic stainless subjected to oxidizing conditions in service includes, prior to placing the article in service, subjecting the article to conditions under which silica, which includes silicon derived from the steel, forms on a surface of the steel. Optionally, at least a portion of the silica is removed from the surface to placing the article in service. A ferritic stainless steel alloy having a reduced tendency to form silica on at least a surface thereof also is provided. The steel includes a near-surface region that has been depleted of silicon relative to a remainder of the steel.
- Inventors:
- Issue Date:
- Research Org.:
- National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1092912
- Patent Number(s):
- 8529709
- Application Number:
- 12/042,751
- Assignee:
- ATI Properties, Inc. (Albany, OR)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C21 - METALLURGY OF IRON C21D - MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL
- DOE Contract Number:
- FC26-05NT42513
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Rakowski, James M. Method for reducing formation of electrically resistive layer on ferritic stainless steels. United States: N. p., 2013.
Web.
Rakowski, James M. Method for reducing formation of electrically resistive layer on ferritic stainless steels. United States.
Rakowski, James M. Tue .
"Method for reducing formation of electrically resistive layer on ferritic stainless steels". United States. https://www.osti.gov/servlets/purl/1092912.
@article{osti_1092912,
title = {Method for reducing formation of electrically resistive layer on ferritic stainless steels},
author = {Rakowski, James M.},
abstractNote = {A method of reducing the formation of electrically resistive scale on a an article comprising a silicon-containing ferritic stainless subjected to oxidizing conditions in service includes, prior to placing the article in service, subjecting the article to conditions under which silica, which includes silicon derived from the steel, forms on a surface of the steel. Optionally, at least a portion of the silica is removed from the surface to placing the article in service. A ferritic stainless steel alloy having a reduced tendency to form silica on at least a surface thereof also is provided. The steel includes a near-surface region that has been depleted of silicon relative to a remainder of the steel.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Sep 10 00:00:00 EDT 2013},
month = {Tue Sep 10 00:00:00 EDT 2013}
}
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