Peculiarity of structure and crystallography of plastic deformation of lath martensite in structural steels

The structure of a martensite packet and cold plastic deformation within one packet, as occurring in the quenched of pseudosingle crystals of 15CrNi4 and 37CrNi3 structural steels, was studied by X-ray diffraction, scanning electron microscopy, and optical microscopy. By electron microscopic analysi...

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Bibliographic Details
Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 1999-12, Vol.273, p.437-442
Main Authors: Schastlivtsev, V.M, Rodionov, D.P, Khlebnikova, Yu.V, Yakovleva, I.L
Format: Article
Language:English
Subjects:
Crystallography
Lath martensite
Martensite
Plastic deformation
Steels
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Summary:The structure of a martensite packet and cold plastic deformation within one packet, as occurring in the quenched of pseudosingle crystals of 15CrNi4 and 37CrNi3 structural steels, was studied by X-ray diffraction, scanning electron microscopy, and optical microscopy. By electron microscopic analysis it is shown that there are six variants of martensite crystals throughout the packet, in agreement with previous X-ray crystallographic results on the number of martensitic variants in a packet. The slip planes in pseudosingle crystals were found to be close to {112} M and {110} M, which are typical of the bcc lattice.
ISSN:0921-5093
1873-4936
DOI:10.1016/S0921-5093(99)00323-8