English
Related papers

Related papers: Thermal analysis and SANS characterisation of hybr…

200 papers

The major aim of this study is to assess the effects of sintering of initially porous material on the thermal evolution of planetesimals, and to constrain the values of basic parameters that determined the structure and evolution of the H…

Earth and Planetary Astrophysics · Physics 2015-05-30 Stephan Henke , Hans-Peter Gail , Mario Trieloff , Winfried H. Schwarz , Thorsten Kleine

The thermal transport properties of porous silicon and nano-hybrid "porous silicon/water" systems are presented here. The thermal conductivity was evaluated with equilibrium molecular dynamics technique for porous systems made of spherical…

Mesoscale and Nanoscale Physics · Physics 2020-12-03 Mykola Isaiev , Xiaorui Wang , Konstantinos Termentzidis , David Lacroix

Deuteride phases in the zirconium-deuterium system in the temperature range 25-286$\celsius$ have been studied in-situ by high resolution neutron diffraction. The study primarily focused on observations of $\delta \rightarrow \gamma$…

Materials Science · Physics 2017-01-12 T. Maimaitiyili , A. Steuwer , C. Bjerkén , J. Blomqvist , M. Hoelzel , J. C. Ion , O. Zanellato

Under high pressure conditions, Zr undergoes a phase transformation from its ambient equilibrium hexagonal close packed $\alpha$ phase to hexagonal $\omega$ phase. Upon returning to ambient conditions, the material displays hysteretic…

The photoacoustic method with piezoelectric detection for the simultaneous evaluation of the thermophysical properties is proposed. The approach is based on the settling of an additional heat sink for redistribution of heat fluxes deposited…

Mesoscale and Nanoscale Physics · Physics 2020-12-03 K. Dubyk , T. Nychyporuk , V. Lysenko , K. Termentzidis , G. Castanet , F. Lemoine , D. Lacroix , Mykola Isaiev

The investigation of devitrification in thermally annealed nanodimensional glassy alloy thin films provides a comprehensive understanding of their thermal stability, which can be used to explore potential applications. The amorphous to…

The mechanisms of dislocation/precipitate interaction as well as the critical resolved shear stress were determined as a function of temperature in a Mg-4 wt. % Zn alloy by means of micropillar compression tests. It was found that the…

Materials Science · Physics 2020-01-28 R. Alizadeh , J. LLorca

Layered ferromagnetic-piezoelectric composites show mechanical strain mediated electromagnetic coupling. Here we discuss dielectric and piezoelectric properties of ferrite-lead zirconate titanate (PZT) and lanthanum manganite-PZT samples.…

Materials Science · Physics 2007-05-23 Y. K. Fetisov , A. A. Bush , K. E. Kamentsev , G. Srinivasan

Tungsten (W) is a material of choice for the divertor material due to its high melting temperature, thermal conductivity, and sputtering threshold. However, W has a very high brittle-to-ductile transition temperature and at fusion reactor…

Materials Science · Physics 2023-03-29 E. L. Sikorski , M. A. Cusentino , M. J. McCarthy , J. Tranchida , M. A. Wood , A. P. Thompson

The regulation of temperature at the macro and microscale is a major energy-consuming process of humankind. Modern cooling systems account for 15% of the global energy consumption and are responsible for 10% of greenhouse gas emissions. Due…

Iron oxide nano particles with nominal Fe2O3 stoichiometry were synthesized by a wet, soft chemical method with the heat treatment temperatures from 250{\deg}C to 900{\deg}C in air. The variation in the structural properties of the nano…

Materials Science · Physics 2011-11-29 Debajeet K. Bora , Artur Braun , Selma Erat , Olga Safonova , Thomas Graule , Edwin C. Constable

Thermoelectric (TE) materials research plays a vital role in heat-to-electrical energy conversion and refrigeration applications. Bismuth-antimony (Bi-Sb) alloy is a promising material for thermoelectric cooling. Herein, a high figure of…

Materials Science · Physics 2019-10-16 Sheng Gao , John Gaskins , Xixiao Hu , Kathleen Tomko , Patrick Hopkins , S. Joseph Poon

Annealing of crystalline multilayers composed of two miscible elements usually causes interfacial mixing of the constituent atoms, possibly leading to the formation of binary alloys at the interfaces. Magnetron sputtered c-Ni/a-Zr…

Materials Science · Physics 2021-10-01 Debarati Bhattacharya , Vijay Karki , Surendra Singh , T. V. Chandrasekhar Rao

We present quantum molecular dynamics calculations of thermophysical properties of solid and liquid zirconium in the vicinity of melting. An overview of available experimental data is also presented. We focus on the analysis of thermal…

Materials Science · Physics 2022-08-10 M. A. Paramonov , D. V. Minakov , V. B. Fokin , D. V. Knyazev , G. S. Demyanov , P. R. Levashov

A numerical study of thermoelectric nanocomposites is presented. Thermoelectric properties as a function of average grain size or nanoparticle density are examined by simulating the measurements as they would be done experimentally. In…

Materials Science · Physics 2020-01-08 Xufeng Wang , Mark Lundstrom

Models and observations suggest that ice-particle aggregation at and beyond the snowline dominates the earliest stages of planet-formation, which therefore is subject to many laboratory studies. However, the pressure-temperature gradients…

We employed molecular dynamics simulations to explore comparatively the thermo-mechanical behavior of two glass materials-an oxide silica glass (SiO2) and a binary Cu-Zr-based metallic alloy (Cu50Zr50)-during shear and elongation…

Materials Science · Physics 2025-07-18 Rene Alvarez-Donado , Matias Sepulveda-Macias , Anne Tanguy

We present a first principle study of new class of high-$T_c$ half-heusler ferromagnets NiCrZ (Z = Si, P, Ge, As, Te). The structure and magnetic properties are investigated through the calculation of the electronic structure, equilibrium…

Materials Science · Physics 2011-10-26 Van An Dinh , Kazunori Sato , Hirosi Katayama-Yoshida

The influence of nitrogen on the oxidation behavior of hot-pressed zirconium carbide was investigated using a flow-tube furnace at temperatures ranging from 1000 to 1600 {\deg}C. Mass gain, oxide formation characteristics, and oxide…

Thin films of superconducting V$_3$Si were prepared by means of RF sputtering from a compound V$_3$Si target at room temperature onto sapphire and oxide-coated silicon wafers, followed by rapid thermal processing under secondary vacuum. The…