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Title: Surface modification of high temperature iron alloys

Patent ·
OSTI ID:63452

A method and article of manufacture of a coated iron based alloy are disclosed. 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--1200 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. 13 figs.

Research Organization:
Univ. of Chicago, IL (United States)
DOE Contract Number:
W-31109-ENG-38
Assignee:
Univ. of Chicago, IL (United States)
Patent Number(s):
US 5,421,914/A/
Application Number:
PAN: 8-135,295
OSTI ID:
63452
Resource Relation:
Other Information: PBD: 6 Jun 1995
Country of Publication:
United States
Language:
English