Shear localization in metallic materials at high strain rates
Three factors govern adiabatic shear localization: strain hardening (or softening), strain-rate
hardening, and thermal softening. It is typically associated with large shear strains (> 1), high …
hardening, and thermal softening. It is typically associated with large shear strains (> 1), high …
Shear localization in dynamic deformation: microstructural evolution
Investigations made by the authors and collaborators into the microstructural aspects of
adiabatic shear localization are critically reviewed. The materials analyzed are low-carbon …
adiabatic shear localization are critically reviewed. The materials analyzed are low-carbon …
Determining the stress–strain behaviour at large strains from high strain rate tensile and shear experiments
J Peirs, P Verleysen, W Van Paepegem… - International Journal of …, 2011 - Elsevier
To characterise the high strain rate mechanical behaviour of metals, split Hopkinson bar
experiments are frequently used. These experiments basically yield the force and elongation …
experiments are frequently used. These experiments basically yield the force and elongation …
The use of hat-shaped specimens to study the high strain rate shear behaviour of Ti–6Al–4V
J Peirs, P Verleysen, J Degrieck, F Coghe - International Journal of Impact …, 2010 - Elsevier
To study the high strain rate shear behaviour of Ti–6Al–4V, hat-shaped specimens have
been used in a compression split Hopkinson bar set-up. With this technique, highly …
been used in a compression split Hopkinson bar set-up. With this technique, highly …
Dynamic crystal plasticity modeling of single crystal tantalum and validation using Taylor cylinder impact tests
In this work, we extend a dislocation-density based constitutive theory for the dynamic
thermomechanical behavior of crystals to body centered cubic (BCC) tantalum. Strain rate …
thermomechanical behavior of crystals to body centered cubic (BCC) tantalum. Strain rate …
Microstructure of adiabatic shear bands in Ti6Al4V
Microstructural deformation mechanisms in adiabatic shear bands in Ti6Al4V are studied
using traditional TEM and selected area diffraction, and more advanced microstructural …
using traditional TEM and selected area diffraction, and more advanced microstructural …
Rate controlling deformation mechanisms in SS316L stainless steel manufactured using laser powder bed fusion technique
We conducted uniaxial tensile strain rate jump tests to account for the strain rate controlling
mechanisms in the additively manufactured SS316L stainless steel. Special emphasis is …
mechanisms in the additively manufactured SS316L stainless steel. Special emphasis is …
Two-dimensional evolution of temperature and deformation fields during dynamic shear banding: In-situ experiments and modeling
Adiabatic shear band (ASB) is a significant failure mechanism observed in metals and alloys
under impact loading. Though ASB formation has been widely assumed to be a one …
under impact loading. Though ASB formation has been widely assumed to be a one …
Deformation, dislocation evolution and the non-Schmid effect in body-centered-cubic single-and polycrystal tantalum
A physically-informed continuum crystal plasticity model is presented to elucidate
deformation mechanisms, dislocation evolution and the non-Schmid effect in body-centered …
deformation mechanisms, dislocation evolution and the non-Schmid effect in body-centered …
Adiabatic shear instability in a titanium alloy: Extreme deformation-induced phase transformation, nanotwinning, and grain refinement
XR Guan, Q Chen, SJ Qu, GJ Cao, H Wang… - Journal of Materials …, 2023 - Elsevier
Increasingly harsh service conditions place higher requirements for the high strain-rate
performance of titanium alloys. Adiabatic shear band (ASB), a phenomenon prone to …
performance of titanium alloys. Adiabatic shear band (ASB), a phenomenon prone to …