In situ atomic-scale observation of dislocation climb and grain boundary evolution in nanostructured metal
Non-conservative dislocation climb plays a unique role in the plastic deformation and creep
of crystalline materials. Nevertheless, the underlying atomic-scale mechanisms of …
of crystalline materials. Nevertheless, the underlying atomic-scale mechanisms of …
A semi-analytical thermal modelling approach for selective laser melting
Selective laser melting (SLM) wherein a metal part is built in a layer-by-layer manner in a
powder bed is a promising and versatile way for manufacturing components with complex …
powder bed is a promising and versatile way for manufacturing components with complex …
The kinetics of static recovery by dislocation climb
AA Kohnert, L Capolungo - npj Computational Materials, 2022 - nature.com
The initial microstructure of a wide range of structural materials is conditioned by thermo-
mechanical treatments such as hot-working, tempering, or solution annealing. At the …
mechanical treatments such as hot-working, tempering, or solution annealing. At the …
A computationally efficient thermo-mechanical model for wire arc additive manufacturing
Residual stresses and distortions are major obstacles against the more widespread
application of wire arc additive manufacturing. Since the steep temperature gradients due to …
application of wire arc additive manufacturing. Since the steep temperature gradients due to …
[HTML][HTML] Discrete dislocation plasticity HELPs understand hydrogen effects in bcc materials
In an attempt to bridge the gap between atomistic and continuum plasticity simulations of
hydrogen in iron, we present three dimensional discrete dislocation plasticity simulations …
hydrogen in iron, we present three dimensional discrete dislocation plasticity simulations …
Dendrites as climbing dislocations in ceramic electrolytes: Initiation of growth
We idealise dendrite growth in a ceramic electrolyte by climb of a thick edge dislocation.
Growth of the dendrite occurs at constant chemical potential of Li+ at the dendrite tip: the free …
Growth of the dendrite occurs at constant chemical potential of Li+ at the dendrite tip: the free …
[HTML][HTML] A computationally efficient thermal model for selective laser melting
Selective laser melting (SLM) is a widely used additive manufacturing method for building
metal parts in a layer-by-layer manner thereby imposing almost no limitations on the …
metal parts in a layer-by-layer manner thereby imposing almost no limitations on the …
Ultrahigh strength and toughness in WY2O3 alloy with bimodal and lamellar structures
L Li, Z Dong, Z Ma, C Liu, L Yu, Y Liu - Materials Research Letters, 2023 - Taylor & Francis
Oxide dispersion strengthened tungsten (ODS-W) alloy was prepared by chemical method,
conventional sintering and hot-rolling method, which breaks through the research bottleneck …
conventional sintering and hot-rolling method, which breaks through the research bottleneck …
On the origin of creep dislocations in a Ni-base, single-crystal superalloy: an ECCI, EBSD, and dislocation dynamics-based study
This work investigates the origin of creep dislocations in a Ni-base, single crystal superalloy
subject to creep at an intermediate stress and temperature. Employing high angular …
subject to creep at an intermediate stress and temperature. Employing high angular …
Intermetallic size and morphology effects on creep rate of Sn-3Ag-0.5 Cu solder
The creep behaviour of directionally solidified SAC305 (96.5 Sn-3Ag-0.5 Cu wt%) alloy has
been investigated with integrated particle matrix composite (PMC) crystal plasticity …
been investigated with integrated particle matrix composite (PMC) crystal plasticity …