Publications by Ainara Irastorza Landa

Laue micro-diffraction and crystal plasticity finite element simulations to reveal a vein structure in fatigued Cu

Helena Van Swygenhoven, Nicolò Grilli, Ainara Irastorza Landa

The formation of a vein during cyclic shearing of a single copper crystal oriented for single slip can be followed in transmission Laue diffraction by analyzing the spatially resolved lattice rotation evolution. Because Laue transmission integrates the sig ...

2017

Effect of pre-existing immobile dislocations on the evolution of geometrically necessary dislocations during fatigue

Helena Van Swygenhoven, Nicolò Grilli, Ainara Irastorza Landa

The role of pre-existing mobile and immobile dislocation densities on the evolution of geometrical necessary dislocation densities (GNDs) during cyclic fatigue in shear is studied using a continuum dislocation-based model incorporated in a crystal plastici ...

2017

Following dislocation patterning during fatigue

Helena Van Swygenhoven, Steven Van Petegem, Nicolò Grilli, Ainara Irastorza Landa

Precursors of failure are dislocation mechanisms at the nanoscale and dislocation organization at the mesoscale responsible for long-range internal stresses and lattice rotation. Detailed information on the link between both scales is missing, computationa ...

Elsevier2016

Picosecond pulsed laser for microscale sample preparation

Helena Van Swygenhoven, Steven Van Petegem, Ainara Irastorza Landa

Ultra short pulsed laser ablation is applied for preparing samples suitable for micromechanical testing. Laue microdiffraction shows that the micromachining hardly damages the initial microstructure. The technique has the potential to be a promising altern ...

Elsevier Science Bv2015

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Ainara Irastorza Landa

Laue micro-diffraction and crystal plasticity finite element simulations to reveal a vein structure in fatigued Cu

Effect of pre-existing immobile dislocations on the evolution of geometrically necessary dislocations during fatigue

In-situ Laue diffraction to follow dislocation patterning during fatigue

Following dislocation patterning during fatigue

Picosecond pulsed laser for microscale sample preparation

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Effect of pre-existing immobile dislocations on the evolution of geometrically necessary dislocations during fatigue

Laue micro-diffraction and crystal plasticity finite element simulations to reveal a vein structure in fatigued Cu

In-situ Laue diffraction to follow dislocation patterning during fatigue

Picosecond pulsed laser for microscale sample preparation

Following dislocation patterning during fatigue