Surface modification of high temperature iron alloys
Patent
·
OSTI ID:869916
- Clarendon Hills, IL
A method and article of manufacture of a coated iron based alloy. The method includes providing an iron based alloy substrate, depositing a silicon containing layer on the alloy surface while maintaining the alloy at a temperature of about 700.degree. C.-1200.degree. C. to diffuse silicon into the alloy surface and exposing the alloy surface to an ammonia atmosphere to form a silicon/oxygen/nitrogen containing protective layer on the iron based alloy.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL
- DOE Contract Number:
- W-31109-ENG-38
- Assignee:
- University of Chicago (Chicago, IL)
- Patent Number(s):
- US 5421914
- OSTI ID:
- 869916
- Country of Publication:
- United States
- Language:
- English
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Electronic transport in thermally grown Cr2O3
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journal | February 1990 |
Role of yttrium in enhanced adhesion of chromia scale to chromium
|
journal | October 1989 |
| Oxidation behavior of iron-chromium alloys at elevated temperatures: A reactive-element effect | report | March 1992 |
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Related Subjects
-1200
/148/427/428/
700
alloy
alloy substrate
alloy surface
alloys
ammonia
ammonia atmosphere
article
atmosphere
based
based alloy
coated
containing
containing layer
degree
depositing
diffuse
exposing
form
iron
iron alloy
iron alloys
iron base
iron based
layer
maintaining
manufacture
method
modification
nitrogen
nitrogen containing
oxygen
protective
protective layer
providing
silicon
silicon containing
substrate
surface
surface modification
temperature
/148/427/428/
700
alloy
alloy substrate
alloy surface
alloys
ammonia
ammonia atmosphere
article
atmosphere
based
based alloy
coated
containing
containing layer
degree
depositing
diffuse
exposing
form
iron
iron alloy
iron alloys
iron base
iron based
layer
maintaining
manufacture
method
modification
nitrogen
nitrogen containing
oxygen
protective
protective layer
providing
silicon
silicon containing
substrate
surface
surface modification
temperature