Experimental investigation of the elastoplastic response of aluminum silicate spray dried powder during cold compaction [PDF]
Mechanical experiments have been designed and performed to investigate the elasto-plastic behaviour of green bodies formed from an aluminum silicate spray dried powder used for tiles production.
Bigoni, D. +5 more
core +2 more sources
A Nonvolume Preserving Plasticity Theory with Applications to Powder Metallurgy [PDF]
A plasticity theory has been developed to predict the mechanical response of powder metals during hot isostatic pressing. The theory parameters were obtained through an experimental program consisting of hydrostatic pressure tests, uniaxial compression ...
Cassenti, B. N.
core +1 more source
A compressive damage model for a rock considering the microcrack mechanical behavior
The contributions of the microcrack sliding and propagation to the rock total deformation, the mixed propagation criterion of the microcrack, and the influence of the rock damage degree on the number of the activated microcracks are not completely ...
Cui LIU +5 more
doaj +1 more source
Tools for multiaxial validation of behavior laws chosen for modeling hyper-elasticity of rubber-like materials [PDF]
We present an experimental approach to discriminate hyper-elastic models describing the mechanical behavior of rubber-like materials. An evaluation of the displacement field obtained by digital image correlation allows us to evaluate the heterogeneous ...
Alexander +16 more
core +3 more sources
Element test experiments and simulations: from dry towards cohesive powders [PDF]
Findings from experiments and particle simulations for dry and cohesive granular materials are presented with the goal to reach quantitative agreement between simulations and experiments.
Imole, O.I., Kumar, N., Luding, S.
core +2 more sources
Uniaxial compression testing of polymeric materials
Two methods for uniaxial compression testing were investigated and compared using polypropylene as a model material. An overview of various parameters affecting compression test results is provided with particular emphasis on friction between the specimen and the compression plate.
M. Jerabek, Z. Major, R.W. Lang
openaire +1 more source
Briquette coals with different cement contents are frequently used to study the coal body’s properties. In this study, the deformation and strength of briquette coal samples with 0, 5, 10, and 20% cement contents were experimentally and theoretically ...
Han Meng +4 more
doaj +1 more source
Study of Static and Dynamic Properties of Sand under Low Stress Compression
The aim of this work was to investigate a wide range of grain sizes of sand in the pre-yield regime during compression through the combined study of ultrasound (US) wave speed and acoustic emission (AE).
Vladimir Frid +2 more
doaj +1 more source
Anisotropic constitutive relationships in energetic materials: PETN and HMX [PDF]
This paper presents results of first-principles density functional calculations of the equation of state (EOS) of PETN-I and beta-HMX. The isotropic EOS for hydrostatic compression has been extended to include uniaxial compressions in the [100], [010 ...
Conroy, M. +3 more
core
Magnetic frustration and spontaneous rotational symmetry breaking in PdCrO2 [PDF]
In the triangular layered magnet PdCrO2 the intralayer magnetic interactions are strong, however the lattice structure frustrates interlayer interactions. In spite of this, long-range, 120$^\circ$ antiferromagnetic order condenses at $T_N = 38$~K.
Bartlett, Jack M. +11 more
core +2 more sources

