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Rapid Surface Hardening of Stainless Steel by Plasma Electrolytic Carburizing

  • 20-12-2022
  • Technical Article
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Abstract

The article investigates the rapid surface hardening of 17-4PH martensitic precipitation stainless steel through plasma electrolytic carburizing. This method offers a low-cost, high-efficiency alternative to conventional thermochemical treatments. The study systematically examines the effects of process parameters, such as glycerol concentration and voltage, on the microstructure and mechanical properties of the carburized layer. Notably, the carburized layer exhibits a compound layer and a diffusion layer, with the thickness and composition varying significantly with process conditions. The study also highlights the formation of iron and chromium carbides, which contribute to the enhanced hardness and wear resistance of the treated surface. The results demonstrate the potential of plasma electrolytic carburizing for improving the performance of stainless steel in high-end applications, such as aerospace and automotive engineering.

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Title
Rapid Surface Hardening of Stainless Steel by Plasma Electrolytic Carburizing
Authors
T. Y. Song
R. L. Liu
Y. L. Fang
Q. L. Liu
L. Z. Li
Z. J. Wu
X. L. Meng
Publication date
20-12-2022
Publisher
Springer US
Published in
Journal of Materials Engineering and Performance / Issue 19/2023
Print ISSN: 1059-9495
Electronic ISSN: 1544-1024
DOI
https://doi.org/10.1007/s11665-022-07754-9
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