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Published in:
2006 | OriginalPaper | Chapter
Hydrogen Assisted Cracking Paths in Oriented Pearlitic Microstructures
Authors : J. Toribio, E. Ovejero
Published in: Fracture of Nano and Engineering Materials and Structures
Publisher: Springer Netherlands
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Previous works [
1
]–[
4
] demonstrated that progressive cold drawing in eutectoid steels affects the microstructure of the material at the two basic microstructural levels. Firstly [
1
,
3
], it produces a preferential
orientation
and
slenderising
of the pearlitic colonies, so that they tend to become more slender and to align in a direction quasi-parallel to the drawing direction. In addition [
2
,
4
], cold drawing produces a preferential
orientation
and a
densification
of the pearlite lamellae, so that the latter tend to align in a direction parallel to the wire axis, with a reduction at the same time of the pearlitic interlamellar spacing.