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Strain Effects on Sensitization Development in 304 Stainless Steel as Measured by EPR and Stem/Eds Methods

Published online by Cambridge University Press:  25 February 2011

L. A. Charlot ,
B. W. Arey  and
S. M. Bruemmer
L. A. Charlot
Affiliation:
Pacific Northwest Laboratory, Richland, WA 99352
B. W. Arey
Affiliation:
Pacific Northwest Laboratory, Richland, WA 99352
S. M. Bruemmer
Affiliation:
Pacific Northwest Laboratory, Richland, WA 99352
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Abstract

The effect of uniaxial straining during isothermal heat treatment of a Type 304 stainless alloy has been examined using scanning transmission electron microscopy/energy dispersive x-ray spectroscopy (STEM/EDS) and electrochemical potentiokinetic reactivation (EPR) methods. Solution-annealed, flat tensile specimens were deformed at 600°C at various strain rates up to 6%/h. EPR and STEM/EDS results show an acceleration in sensitization development with increasing deformation. STEM/EDS measurement suggest that simultaneous straining affects both the kinetics of sensitization and the chromium concentrations established at grain boundaries.

Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 69: Symposium D – Materials Characterization , 1986 , 159
Copyright
Copyright © Materials Research Society 1986

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References

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