ChemInform Abstract: Spin and Dipole Ordering in Ni2InSbO6 and Ni2ScSbO6 with Corundum‐Related Structure.
Abstract The title compounds are prepared by solid state reaction of NiO, Sc2O3 or In2O3, and Sb2O5 (1300 °C, 24 h).
Materials Literature
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ChemInform Abstract: Crystal and Magnetic Structures and Physical Properties of a New Pyroxene NaMnGe2O6 Synthesized under High Pressure.
Abstract The new title compound is synthesized by reaction of a stoichiometric mixture of Na2CO3, Mn2O3, and GeO2 in a Walker‐type multianvil module (3 GPa, 800 °C, 24 h).
Classical and quantum theoretical studies of the Si + OH → SiO + H reaction
International audience
Verificação da tendência de penetração de cloretos em corpos de prova parcialmente imersos em água do mar Recife, PE
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Evidence of a strong anisotropic influence of local-field effects on the dielectric response of {\alpha}-MoO3
Dielectric properties of {\alpha}-MoO3 are investigated by a combination of valence electron-energy loss spectroscopy and ab initio calculation at the random phase approximation level with the inclusion of local-field effects (LFE). A meticulous comparison between experimental and calculated spectra is performed in or…
SIMULASI PENGARUH FRICTION, SPEED, MATERIAL, DAN TEMPERATURE TERHADAP DAMAGE PADA BLOCK PRE FORMING DENGAN METODE TAGUCHI
Pada proses pembentukan logam damage dapat disebabkan oleh beberapa faktor yaitu beban yang bekerja pada benda kerja, temperatur pemanasan awal, dan temperatur yang disebankan gesekan antara die dan material yang akan di lakukan pre forming. Proses metal forming bisa dilakukan dengan 2 cara yaitu pengerjaan panas (hot…
Understanding and Predicting the Properties of Complex Materials: An Invited Talk
Predicting the properties of new materials prior to manufacturing is a topic attracting great industrial and scientific interest. Mechanical properties are currently of particular interest given the increasing demand for stronger, thinner, and more flexible materials in recent years. Property prediction for ceramic ma…
Plasma surface interactions in deep dry etching
International audience
Synthesis, Biological Functionalization, and Integration ofCarbon Nanotubes for Bio-Sensing Textiles
Since their discovery in 1991 carbon nanotubes (CNTs) have been the interest of many researchers due to their unique intrinsic properties.CNTs are low density materials that have exemplary mechanical and electrical properties.These characteristics and the ability to introduce specific chemical and biological functiona…
HELIUM INTERACTION WITH TUNGSTEN SURFACE AT LOW INCIDENT ENERGY AND LOW ION FLUXES
Communication orale
Biexciton in semiconducting carbon nanotubes
International audience
Chemical Modification Effects on Molecular Dynamics of Complex Poly(rotaxane) Investigated by Solid-state NMR
Polyrotaxane (PR) is consisting of linear polymer chain threading into cyclic molecules, e.g., cyclodextrins (CDs), and endcapped with bulky groups.Chemical modifications of pendant hydroxyl-functional groups on CDs significantly suppresses hydrogen bonding interactions between cyclodextrin molecules and leads to uniq…
Thermogravimetric experiments coupled with acoustic emission analysis dedicated to high-temperature corrosion studies on metallic alloys
High temperature corrosion of metallic alloys in industrial equipments, such as refinery and petrochemical equipments concerns several phenomena: oxidation, carburization... These phenomena can create stresses in the materials, the relaxation of which mostly produces transient elastic waves. Several methods enable the…
Návrh nového způsobu čištění polyeterpolyolů pomocí zeolitů
Diplomová práca sa zaberá sledovaním cieľových kvalitatívnych parametrov polyéterpolyolu – Slovaprop G-160, ktoré sú: obsah sodíka a draslíka, farba, kyslosť a obsah vody. Najdôležitejším parametrom bol obsah sodíka a draslíka, pretože úlohou diplomovej práce bolo dosiahnuť po čistiacom procese vyhovujúci obsah sodíka…
Room-temperature Formation of SiO2 Particle Arrays Embedded in 1,2-Poly(butadiene) Matrices by Binary Colloidal Assembly and Application for Porous Film Templates
Abstract A simple preparation method has been developed for creating inorganic–organic composite films by casting of soft poly(butadiene) (PB) particles and hard SiO2 particles. PB particles were successfully prepared by evaporation of a good solvent from the PB solution containing water as a poor solvent. After cross…
Elasticity of colloidal clusters with application to carbon-black aggregates in filled rubbers
To begin with the mechanical modeling of a cluster aggregate, it is important to understand the stress distribution inside. When a cluster aggregate is subjected to a tensile load, there appear different stress paths usually running end-to-end in the loading direction. Various studies have shown, that among these stre…
Chemical modification of conventional rubbers for advanced applications
Hence, the ideal elastomeric material should combine the thermal stability of conventional covalent networks and the thermoplastic behavior shown by the ionic elastomers. In this sense, a new type of material using commercial XNBR has studied in our group7,10. These elastomers turn into smart materials which are able…
Monte-Carlo simulations for 3D modelling of rubber reinforcement
A wide range of fillers are used in the industry, they differ from each other chemically and in particle size and shape as well. One of the most common fillers, not only for elastomers but also for other polymers for certain applications, is carbon 1 INTRODUCTION Elastomeric composites are widely used for industrial a…
Inflation test of orthotropic composite membrane with rubber matrix reinforced by plain weave fabric
Bulge test performed on the circular membrane of isotropic material provides an equibiaxial tensile stress state at the top of the inflated cap. It is supposed that a spherical shape exists in the neighborhood of summit and stress-strain state thus can be determined easily from measured inner pressure, membrane radius…
Evaluation of characteristics for chevron rubber spring
The material of rubber component for chevron rubber spring was carbon-filled vulcanized natural rubber, which have the hardness of IRHD 60. The rubber material property, which is essential in finite element analysis, is expressed with the coefficient values of strain energy function and these 1 INTRODUCTION Rubber is…