Results 81 to 90 of about 543,847 (204)

Strain rate dependency of laser sintered polyamide 12

open access: yesEPJ Web of Conferences, 2015
Parts processed by Additive Manufacturing can now be found across a wide range of applications, such as those in the aerospace and automotive industry in which the mechanical response must be optimised.
Cook J.E.T.   +2 more
doaj   +1 more source

A study of the static yield stress in a binary Lennard-Jones glass

open access: yes, 2003
The stress-strain relations and the yield behavior of model glass (a 80:20 binary Lennard-Jones mixture) is studied by means of MD simulations. First, a thorough analysis of the static yield stress is presented via simulations under imposed stress ...
Berthier L.   +17 more
core   +3 more sources

Dynamics of Large-Scale Plastic Deformation and the Necking Instability in Amorphous Solids

open access: yes, 2002
We use the shear transformation zone (STZ) theory of dynamic plasticity to study the necking instability in a two-dimensional strip of amorphous solid. Our Eulerian description of large-scale deformation allows us to follow the instability far into the ...
A. E. Lobkovsky   +17 more
core   +1 more source

Rate-dependent constitutive behavior and mechanism of CMDB under tension loading

open access: yesPolymer Testing
The composite modified double-base propellants (CMDB) were experimentally investigated for mechanical behavior under wide tension strain rate loading from 0.0001 s−1 to 2500 s−1, based on Instron mechanical machine and modified Hopkinson tension bar ...
Zhibo Wu   +6 more
doaj   +1 more source

Unraveling the temperature dependence of the yield strength in single-crystal tungsten using atomistically-informed crystal plasticity calculations

open access: yes, 2015
We use a physically-based crystal plasticity model to predict the yield strength of body-centered cubic (bcc) tungsten single crystals subjected to uniaxial loading.
Ackermann   +145 more
core   +1 more source

Effect of nanoparticles on quasi-static and dynamic mechanical properties of strain hardening cementitious composite

open access: yesAdvances in Mechanical Engineering, 2019
The nanomaterials-modified strain hardening cementitious composites were prepared in this study. The split Hopkinson pressure bar technique was used to conduct the dynamic compressive test.
Zhitao Chen, Yingzi Yang, Yan Yao
doaj   +1 more source

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