Coarsening behavior of cementite particles at a subcritical temperature in a medium carbon steel

The coarsening of cementite particles during tempering of medium carbon steels, investigated using a power law relationship, is controlled by a combination of the different coarsening mechanisms. In the comparison of the coarsening mechanisms for particles located at boundaries with those inside bou...

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Veröffentlicht in:	Scripta materialia 1999-07, Vol.41 (3), p.313-318
Hauptverfasser:	Nam, Won Jong, Bae, Chul Min
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Cross-disciplinary physics: materials science rheology Exact sciences and technology Kinetics Materials science Metals. Metallurgy Physics Scanning electron microscopy (SEM) Solid solution hardening, precipitation hardening, and dispersion hardening aging Solid solution, precipitation, and dispersion hardening aging Steels Treatment of materials and its effects on microstructure and properties
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Zusammenfassung:	The coarsening of cementite particles during tempering of medium carbon steels, investigated using a power law relationship, is controlled by a combination of the different coarsening mechanisms. In the comparison of the coarsening mechanisms for particles located at boundaries with those inside boundaries, the coarsening of cementite particles at boundaries is significantly influenced by boundary diffusion and diffusion along dislocation, while those inside boundaries is significantly influenced by boundary diffusion and matrix diffusion.
ISSN:	1359-6462 1872-8456
DOI:	10.1016/S1359-6462(99)00168-2