Strength statistics of single crystals and metallic glasses under small stressed volumes
It has been well documented that plastic deformation of crystalline and amorphous
metals/alloys shows a general trend of “smaller is stronger”. The majority of the experimental …
metals/alloys shows a general trend of “smaller is stronger”. The majority of the experimental …
[HTML][HTML] Unravelling the physics of size-dependent dislocation-mediated plasticity
JA El-Awady - Nature communications, 2015 - nature.com
Size-affected dislocation-mediated plasticity is important in a wide range of materials and
technologies. Here we develop a generalized size-dependent dislocation-based model that …
technologies. Here we develop a generalized size-dependent dislocation-based model that …
[图书][B] Dislocations, mesoscale simulations and plastic flow
L Kubin - 2013 - books.google.com
In the past twenty years, new experimental approaches, improved models and progress in
simulation techniques have brought new insights into longstanding issues concerning …
simulation techniques have brought new insights into longstanding issues concerning …
[HTML][HTML] On the mechanical heterogeneity in dual phase steel grades: Activation of slip systems and deformation of martensite in DP800
We used micropillar compression experiments to study the plasticity of ferrite and martensite
of two commercial dual phase steel grades (DP800). The activation of all three slip plane …
of two commercial dual phase steel grades (DP800). The activation of all three slip plane …
Source truncation and exhaustion: insights from quantitative in situ TEM tensile testing
A unique method for quantitative in situ nanotensile testing in a transmission electron
microscope employing focused ion beam fabricated specimens was developed …
microscope employing focused ion beam fabricated specimens was developed …
Dislocation starvation and exhaustion hardening in Mo alloy nanofibers
The evolution of defects in Mo alloy nanofibers with initial dislocation densities ranging from
0 to∼ 1.6× 1014m− 2 were studied using an in situ “push-to-pull” device in conjunction with …
0 to∼ 1.6× 1014m− 2 were studied using an in situ “push-to-pull” device in conjunction with …
Functional materials under stress: in situ TEM observations of structural evolution
The operating conditions of functional materials usually involve varying stress fields,
resulting in structural changes, whether intentional or undesirable. Complex multiscale …
resulting in structural changes, whether intentional or undesirable. Complex multiscale …
Size dependence of the yield strength of fcc and bcc metallic micropillars with diameters of a few micrometers
Recent micropillar compression tests of fcc and bcc single crystals have shown that 'Smaller
is Stronger'even in the absence of significant strain gradients, an effect that is empirically …
is Stronger'even in the absence of significant strain gradients, an effect that is empirically …
[HTML][HTML] Interface-related deformation phenomena in metallic glass/high entropy nanolaminates
The deformation behavior of metallic glass (MG)-high entropy alloy (HEA) nanolaminate is
explored through molecular dynamics simulations using nanolaminate models of …
explored through molecular dynamics simulations using nanolaminate models of …
[HTML][HTML] In situ mechanical TEM: Seeing and measuring under stress with electrons
M Legros - Comptes Rendus Physique, 2014 - Elsevier
From the first observation of moving dislocations in 1956 to the latest developments of piezo-
actuated sample holders and direct electron sensing cameras in modern transmission …
actuated sample holders and direct electron sensing cameras in modern transmission …