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Quxatitative Theory of Seasitization

Published online by Cambridge University Press:  21 February 2011

Thomas M. Devine
Thomas M. Devine*
Affiliation:
Materialsand Chemical Sciences Division Lawrence Berkeley Laboratory, Department of Materials Science and Mineral EngineeringUniversity of California Berkeley, CA94720
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Abstract

The chromium composition along the grain boundaries of sensitized austenitic stainless steel are calculated using several different quantitative theories of sensitization. The results of the calculations are compared to measured values of the chromium composition along the grain boundary in an effort to assess the validity of the various theories. The experimental results point out two facts not previously emphasized in prior studies: (1) the amount of carbide precipitation required to sensitize austenitic stainless steel is small; (2) significant de-sensitization does not occur until after large amountsof carbide precipitation have occurred.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 125: Symposium N – Materials Stability and Environmental Degradation , 1988 , 235
Copyright
Copyright © Materials Research Society 1988

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References

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