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Title: Thermomechanical treatment of alloys

Abstract

An article of an alloy of AISI 316 stainless steel is reduced in size to predetermined dimensions by cold working in repeated steps. Before the last reduction step the article is annealed by heating within a temperature range, specifically between 1010.degree. C. and 1038.degree. C. for a time interval between 90 and 60 seconds depending on the actual temperature. By this treatment the swelling under neutron bombardment by epithermal neutrons is reduced while substantial recrystallization does not occur in actual use for a time interval of at least of the order of 5000 hours.

Inventors:
 [1];  [2];  [3]
+ Show Inventor Affiliations
  1. Ogden, UT
  2. Richland, WA
  3. Gaithersburg, MD
Issue Date:
Research Org.:
Hanford Engineering Development Lab., Richland, WA (United States)
OSTI Identifier:
864804
Patent Number(s):
4421572
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Classifications (CPCs):
C - CHEMISTRY C21 - METALLURGY OF IRON C21D - MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
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DOE Contract Number:  
EY-76-C-14-2170
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
thermomechanical; treatment; alloys; article; alloy; aisi; 316; stainless; steel; reduced; size; predetermined; dimensions; cold; repeated; steps; reduction; step; annealed; heating; temperature; range; specifically; 1010; degree; 1038; time; interval; 90; 60; depending; swelling; neutron; bombardment; epithermal; neutrons; substantial; recrystallization; occur; 5000; hours; neutron bombardment; thermal neutron; temperature range; stainless steel; time interval; thermal neutrons; reduction step; thermomechanical treatment; epithermal neutrons; mechanical treatment; /148/

Citation Formats

Bates, John F, Brager, Howard R, and Paxton, Michael M. Thermomechanical treatment of alloys. United States: N. p., 1983. Web.
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Bates, John F, Brager, Howard R, & Paxton, Michael M. Thermomechanical treatment of alloys. United States.
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Bates, John F, Brager, Howard R, and Paxton, Michael M. Sat . "Thermomechanical treatment of alloys". United States. https://www.osti.gov/servlets/purl/864804.
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@article{osti_864804,
title = {Thermomechanical treatment of alloys},
author = {Bates, John F and Brager, Howard R and Paxton, Michael M},
abstractNote = {An article of an alloy of AISI 316 stainless steel is reduced in size to predetermined dimensions by cold working in repeated steps. Before the last reduction step the article is annealed by heating within a temperature range, specifically between 1010.degree. C. and 1038.degree. C. for a time interval between 90 and 60 seconds depending on the actual temperature. By this treatment the swelling under neutron bombardment by epithermal neutrons is reduced while substantial recrystallization does not occur in actual use for a time interval of at least of the order of 5000 hours.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1983},
month = {1}
}
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