Dislocation pattern formation and strain hardening in solids

J Kratochvil, M Saxlová - Physica Scripta, 1993 - iopscience.iop.org
… , mostly in the form of dipolar loops, are arranged into a characteristic pattern of tangles, …
causes transformation of cell walls into subgrain boundaries or formation of dislocation grids. …

Influence of dislocation substructure on the martensitic transformation in stainless steel

JF Breedis - Acta Metallurgica, 1965 - Elsevier
… stress-strain curves must be explained solely by dislocation … is transformed to martensite after
eighteen percent strain at -… s~ls upon the character of the dislocation substructure has been …

Dislocation densities, arrangements and character from X-ray diffraction experiments

T Ungár - Materials Science and Engineering: A, 2001 - Elsevier
… modelling crystallite size and strain. Modelling strain by assuming dislocations will be more
extensive… Two different procedures will be considered: (1) evaluation by using characteristic

Dislocation and twin substructure evolution during strain hardening of an Fe–22 wt.% Mn–0.6 wt.% C TWIP steel observed by electron channeling contrast imaging

I Gutierrez-Urrutia, D Raabe - Acta materialia, 2011 - Elsevier
… , such as the characteristic average twin spacing and the dislocation substructure size. The
… (strain below 0.1 true strain) the dislocation substructure provides a high strain hardening …

A new hot-rolled lightweight steel with ultra-high strength and good ductility designed by dislocation character and transformation strain

C Song, H Wang, Z Sun, J Xu, H Chen, W Yin - Scripta Materialia, 2022 - Elsevier
… from high screw dislocation fraction and transformation strain of retained austenite due to Si
… new route for alloy design through adjusting dislocation character and transformation strain. …

Evaluation of the dislocation density and dislocation character in cold rolled Type 304 steel determined by profile analysis of X-ray diffraction

T Shintani, Y Murata - Acta Materialia, 2011 - Elsevier
strain, indicating that the dislocation character in the γ phase changes from screw type to edge
type with increasing strain. … simulated the strain inducing the γ → α′ transformation. They …

Dislocation model of strain anisotropy

T Ungár - Powder diffraction, 2008 - cambridge.org
… There is also a one-to-one correlation between the longrange strain field character and the
linear-type, ie, dislocation type, lattice defects. … where FT stands for Fourier transform. This …

Effect of strain-induced α'-martensite transformation on mechanical properties of metastable austenitic stainless steels

J Talonen - 2007 - aaltodoc.aalto.fi
… effects of the strain-induced martensitic transformation on the mechanical … The dislocation
density of the austenite phase was found to increase … Factor characteristic of dislocation type ν …

Dislocation contrast in electron channelling contrast images as projections of strain-like components

E Pascal, B Hourahine, G Naresh-Kumar… - Materials Today …, 2018 - Elsevier
… a character of a threading dislocation is negligibly small, what we observe in Figure 2 a) is
purely the second strain-… The transformation matrix from the dislocation reference frame to the …

On the role of dislocation characters influencing ratcheting deformation of austenitic stainless steel

K Dutta, R Kishor, L Sahu, AK Mondal - Materials Science and Engineering …, 2016 - Elsevier
transformation is expected to alter the dislocation characters … Therefore, the character of
dislocations and their respective … dislocation density is due to the increased ratcheting strain