Microstructural characterization of a fine-grained ultra low carbon steel

Fine-grained ultra low carbon steel was prepared by equal-channel angular extrusion. The evolution of the microstructure and the deformation behavior were investigated as a function of the route. At room temperature the tensile strength of specimens prepared by route A is higher than that of the rou...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2007-07, Vol.462 (1), p.248-252
Hauptverfasser:	Máthis, K., Rauch, E.F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Chemical and Process Engineering Chemical Sciences Crystallographic rotation Elasticity. Plasticity Engineering Sciences Equal-channel angular extrusion Exact sciences and technology Low carbon steel Material chemistry Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy Microstructure Texture
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Beschreibung
Zusammenfassung:	Fine-grained ultra low carbon steel was prepared by equal-channel angular extrusion. The evolution of the microstructure and the deformation behavior were investigated as a function of the route. At room temperature the tensile strength of specimens prepared by route A is higher than that of the route C samples. The differences in microstructure between these two types of samples are discussed in terms of misorientation between the subgrains. The latter is correlated to the cumulated crystal rotations.
ISSN:	0921-5093 1873-4936
DOI:	10.1016/j.msea.2006.01.179