4.7 Article

Observations of cleavage initiation at (Ti,V)(C,N) particles of heterogeneous composition in microalloyed steels

Journal

SCRIPTA MATERIALIA
Volume 50, Issue 3, Pages 371-375

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2003.10.009

Keywords

impact test; energy dispersive X-ray spectroscopy (EDS); steels; fracture; inclusions

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The mechanism of cleavage fracture initiated by microcracking of (Ti,V)(C,N) particles of heterogeneous composition has been investigated in Ti V N and V-N microalloyed forging steels. Preferential microcracking of the (Ti,V)(C,N) particles was observed to occur across the interface which separates regions richer in V from lower V content regions. (C)2003 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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