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Title: Iron aluminide knife and method thereof

Fabricating an article of manufacture having a Fe.sub.3 Al-based alloy cutting edge. The fabrication comprises the steps of casting an Fe.sub.3 Al-based alloy, extruding into rectangular cross section, rolling into a sheet at 800.degree. C. for a period of time followed by rolling at 650.degree. C., cutting the rolled sheet into an article having an edge, and grinding the edge of the article to form a cutting edge.
Inventors:
 [1]
  1. (Oak Ridge, TN)
Issue Date:
OSTI Identifier:
871077
Assignee:
Lockheed Martin Energy Systems, Inc. (Oak Ridge, TN) ORNL
Patent Number(s):
US 5653032
Contract Number:
AC05-84OR21400
Research Org:
LOCKHEED MARTIN ENRGY SYST INC
Country of Publication:
United States
Language:
English
Subject:
iron; aluminide; knife; method; fabricating; article; manufacture; al-based; alloy; cutting; edge; fabrication; comprises; steps; casting; extruding; rectangular; section; rolling; sheet; 800; degree; period; time; followed; 650; rolled; grinding; form; cutting edge; iron aluminide; rolled sheet; based alloy; al-based alloy; /30/420/