A micropillar compression investigation into the plastic flow properties of additively manufactured alloys
Solidification cells and a high density of dislocations are two common features of additively
manufactured (AM) alloys that are processed using techniques such as laser powder bed …
manufactured (AM) alloys that are processed using techniques such as laser powder bed …
The role of cell boundary orientation on mechanical behavior: A site-specific micro-pillar characterization study
The characteristic sub-grain cellular structures widely observed in additively manufactured
metals and alloys play an important role during plastic deformation. In the present study, the …
metals and alloys play an important role during plastic deformation. In the present study, the …
Effect of initial dislocation density on the plastic deformation response of 316L stainless steel manufactured by directed energy deposition
The relationship between the microstructural features (such as the solidification cells and
initial dislocation densities) and the tensile properties of alloys additively manufactured (AM) …
initial dislocation densities) and the tensile properties of alloys additively manufactured (AM) …
Effects of lattice misfit on plastic deformation behavior of single-crystalline micropillars of Ni-based superalloys
K Arora, K Kishida, K Tanaka, H Inui - Acta Materialia, 2017 - Elsevier
The deformation behaviors of rectangular-parallelepiped micropillars fabricated from [001]-
oriented Ni-based superalloys with negative and positive lattice misfits, respectively, were …
oriented Ni-based superalloys with negative and positive lattice misfits, respectively, were …
Influence of orientation on the size effect in bcc pillars with different critical temperatures
The size effect in body-centered cubic metals is comprehensively investigated through
micro/nano-compression tests performed on focused ion beam machined tungsten (W) …
micro/nano-compression tests performed on focused ion beam machined tungsten (W) …
FIB-induced dislocations in Al submicron pillars: Annihilation by thermal annealing and effects on deformation behavior
In-situ transmission electron microscopy (TEM) annealing of submicron Al pillars (∼ 300–
450 nm in diameter) fabricated by focused ion beam (FIB) shows that the dislocation loops …
450 nm in diameter) fabricated by focused ion beam (FIB) shows that the dislocation loops …
Role of the solidification cells on the yield strength of the Al-Si-Mg alloy manufactured using laser powder bed fusion: A micropillar compression study
To ascertain the role of the solidification cell structures on the mechanical performance of Al-
Si-(Mg) alloys processed using the laser powder bed fusion (LPBF) technique, micropillar …
Si-(Mg) alloys processed using the laser powder bed fusion (LPBF) technique, micropillar …
Deformation of micron-sized aluminium bi-crystal pillars
KS Ng, AHW Ngan - Philosophical Magazine, 2009 - Taylor & Francis
The deformation of micron-sized single-crystals is jumpy and stochastic, and this may pose
potential formability and reliability problems if components for future micro-machines are to …
potential formability and reliability problems if components for future micro-machines are to …
Strength effects in micropillars of a dispersion strengthened superalloy
The present paper investigates the uniaxial compression behavior of highly alloyed, focused
ion beam (FIB) manufactured micropillars, ranging from 200 up to 4000 nm in diameter. The …
ion beam (FIB) manufactured micropillars, ranging from 200 up to 4000 nm in diameter. The …
In-situ characterization of the dislocation-structure evolution in Ni micro-pillars
The high strength of micro-crystals is determined in the early flow regime, where a transition
from elastic to plastic flow is obscured if compared to stress–strain data from bulk single …
from elastic to plastic flow is obscured if compared to stress–strain data from bulk single …