M. Mello
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View article: The use of oxidized lignin as a bio-based plasticizer for mortar and concrete
The use of oxidized lignin as a bio-based plasticizer for mortar and concrete Open
Plasticizers are widely utilized in construction to enhance material performance by improving cement particle dispersion through adsorption and stabilization. This modification alters concrete’s rheological properties, enhancing flowabilit…
View article: Impact of charge distribution on the stability of ferroelectric nematic liquid crystals
Impact of charge distribution on the stability of ferroelectric nematic liquid crystals Open
Molecular dynamics simulations of DIO were performed to investigate the mechanisms driving its ferroelectric nematic phase. The simulations highlight that correlations between lateral dipoles are crucial for stabilizing the polar order.
View article: Ultrasoft Classical Systems at Zero Temperature
Ultrasoft Classical Systems at Zero Temperature Open
At low temperatures, classical ultrasoft particle systems develop interesting phases via the self-assembly of particle clusters. In this study, we reach analytical expressions for the energy and the density interval of the coexistence regi…
View article: Dynamic Strength of Copper at High Pressures Using Pressure Shear Plate Experiments
Dynamic Strength of Copper at High Pressures Using Pressure Shear Plate Experiments Open
View article: Strength of magnesium at high pressures and strain rates
Strength of magnesium at high pressures and strain rates Open
View article: Ultrasoft classical systems at zero temperature
Ultrasoft classical systems at zero temperature Open
At low temperatures ultrasoft particle systems develop interesting phases via the self-assembly of particle clusters. In this study we develop a general zero-temperature analysis fully characterizing the ground state of such models in two …
View article: Pressure-shear plate impact experiments at very high pressures
Pressure-shear plate impact experiments at very high pressures Open
Recent modifications of a powder gun facility at Caltech have enabled pressure shear plate impact (PSPI) experiments on materials at very high strain rates (>10⁷ s⁻¹) and pressures (>20 GPa), that have not been reached before. The high str…
View article: Pressure-shear plate impact experiments of magnesium at high pressures
Pressure-shear plate impact experiments of magnesium at high pressures Open
Magnesium and its alloys are widely used in the aerospace, automotive and defense industries, taking advantage of its high strength to weight ratio. However, these materials show strong anisotropy with its hexagonal close packed structure …
View article: Heterodyne transverse velocimetry for pressure-shear plate impact experiments
Heterodyne transverse velocimetry for pressure-shear plate impact experiments Open
Pressure-shear plate impact experiments have traditionally relied on free space beam interferometers to measure transverse and normal particle velocities at the rear surface of the target plate. Here, we present two different interferometr…
View article: Pressure-shear plate impact experiment on soda-lime glass at a pressure of 30 GPa and strain rate of 4·107 s–1
Pressure-shear plate impact experiment on soda-lime glass at a pressure of 30 GPa and strain rate of 4·107 s–1 Open
Recent modifications of a powder gun facility at Caltech have enabled pressure-shear plate impact (PSPI) experiments in a regime of pressures and strain rates that were previously unaccessible. A novel heterodyne diffracted beam photonic D…
View article: Heterodyne diffracted beam photonic Doppler velocimeter (DPDV) for measurement of transverse and normal particle velocities in pressure-shear plate impact experiments
Heterodyne diffracted beam photonic Doppler velocimeter (DPDV) for measurement of transverse and normal particle velocities in pressure-shear plate impact experiments Open
Pressure-shear plate impact (PSPI) experiments have traditionally relied on free space beam interferometers such as the transverse displacement interferometer (TDI) and normal displacement interferometer (NDI) or normal velocity interferom…