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Carbon-Containing Tetragonal Defects in 316L Austenitic Stainless Steel Carburized Under Paraequilibrium Conditions: An Internal Friction Study

Published

Author(s)

A H. Heuer, F Ernst, H Kahn, G M. Michal, David J. Pitchure, Richard E. Ricker

Abstract

An internal friction study was conducted into the strengthening mechanism of low-temperature, paraequilibrium, carburization of stainless steel. Low temperature carburization of stainless steels results in hard surfaces with high residual compressive stresses that have excellent corrosion and fatigue resistance. an internal friction peak is reported that is indicative of a strain field with tetragonal symmetry consistent with the formation of carbon interstitial pairs. It is concluded that the formation of these defects is responsible for the mproved properties of stainless steels treated in this manner.
Citation
Scripta Materialia
Volume
56
Issue
12

Keywords

carburization, internal friction, point defect clusters, stainless steel, strengthening mechanisms

Citation

Heuer, A. , Ernst, F. , Kahn, H. , Michal, G. , Pitchure, D. and Ricker, R. (2007), Carbon-Containing Tetragonal Defects in 316L Austenitic Stainless Steel Carburized Under Paraequilibrium Conditions: An Internal Friction Study, Scripta Materialia, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=853441 (Accessed June 23, 2024)

Issues

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Created May 31, 2007, Updated October 12, 2021