Constitutive relations for slip and twinning in high rate deformations: A review and update
RW Armstrong - Journal of Applied Physics, 2021 - pubs.aip.org
Constitutive relations for slip and deformation twinning behaviors of a number of metals,
including α-titanium, copper, α-iron, and tantalum materials, are described over a very large …
including α-titanium, copper, α-iron, and tantalum materials, are described over a very large …
Microstructure evolution and fracture behaviour of TWIP steel under dynamic loading
Exploring the dynamic mechanical behaviours of twin-induced plasticity steels supports the
safety design of which some critical parts and structures are made. In this work, the …
safety design of which some critical parts and structures are made. In this work, the …
Evolution of partial dislocation slip–mediated deformation twins in single crystals: a discrete dislocation plasticity model and an analytical approach
C Wang, C Sun, W Cai, L Qian, X Guo… - International Journal of …, 2022 - Elsevier
Deformation twinning is an essential plastic deformation mechanism that realizes the trade–
off between strength and ductility. Twins nucleate and grow by the coordinated slip of partial …
off between strength and ductility. Twins nucleate and grow by the coordinated slip of partial …
Strain rate effects on mechanical behavior and microstructure evolution with the sequential strains of TWIP steel
Dynamic and quasi-static mechanical behaviors and microstructural mechanisms of the
TWIP steel were investigated at strain rates from 0.001 to 3000 s-1 by using a split …
TWIP steel were investigated at strain rates from 0.001 to 3000 s-1 by using a split …
[HTML][HTML] Investigation of slip transfer across HCP grain boundaries with application to cold dwell facet fatigue
This paper addresses the role of grain boundary slip transfer and thermally-activated
discrete dislocation plasticity in the redistribution of grain boundary stresses during cold …
discrete dislocation plasticity in the redistribution of grain boundary stresses during cold …
[HTML][HTML] Discrete dislocation and crystal plasticity analyses of load shedding in polycrystalline titanium alloys
The focus of this paper is the mechanistic basis of the load shedding phenomenon that
occurs under the dwell fatigue loading scenario. A systematic study was carried out using a …
occurs under the dwell fatigue loading scenario. A systematic study was carried out using a …
[HTML][HTML] Slip intermittency and dwell fatigue in titanium alloys: a discrete dislocation plasticity analysis
Slip intermittency and stress oscillations in titanium alloy Ti–7Al–O that were observed using
in-situ far-field high energy X-ray diffraction microscopy (ff-HEDM) are investigated using a …
in-situ far-field high energy X-ray diffraction microscopy (ff-HEDM) are investigated using a …
[HTML][HTML] The mechanisms governing the activation of dislocation sources in aluminum at different strain rates
This article examines the time to activate Frank–Read sources in response to macroscopic
strain rates ranging from 10 1 s− 1 to 10 10 s− 1 in aluminium under athermal conditions. We …
strain rates ranging from 10 1 s− 1 to 10 10 s− 1 in aluminium under athermal conditions. We …
[HTML][HTML] Dwell fatigue in two Ti alloys: an integrated crystal plasticity and discrete dislocation study
It is a well known and important problem in the aircraft engine industry that alloy Ti-6242
shows a significant reduction in fatigue life, termed dwell debit, if a stress dwell is included in …
shows a significant reduction in fatigue life, termed dwell debit, if a stress dwell is included in …
[HTML][HTML] Rate sensitivity in discrete dislocation plasticity in hexagonal close-packed crystals
The origin of the rate-sensitive behaviour of plasticity over strain rate regimes from 10− 5 to
10 5 s− 1 has been assessed with reference to three key mechanisms: dislocation …
10 5 s− 1 has been assessed with reference to three key mechanisms: dislocation …