Results 21 to 30 of about 118,914 (341)

Anomalous electrical conductivity in rapidly crystallized Cu${}_{50-x}$Zr${}_{x}$ (x = 50 - 66.6) alloys [PDF]

open access: yes, 2015
Cu${}_{50-x}$Zr${}_{x}$ (x = 50, 54, 60 and 66.6) polycrystalline alloys were prepared by arc-melting. The crystal structure of the ingots has been examined by X-ray diffraction.
Chtchelkatchev, N. M.   +3 more
core   +1 more source

The Analysis of the Thermal and Dielectric Properties of High Voltage Insulating Materials with the Addition of Aluminium Oxide [PDF]

open access: yesArchives of Metallurgy and Materials, 2018
This article describes the influence of thermal and dielectric properties of materials to properties of electrical insulating systems in high voltage electrical equipment.
T. Tomášková   +3 more
doaj   +1 more source

Noncontact electrical resistivity measurement technique for molten metals [PDF]

open access: yes, 1998
A noncontact technique of measuring the changes in electrical conductivity (or resistivity) of conducting liquids is reported. The technique is based on a conducting drop that is levitated by the high-temperature electrostatic levitator in a high vacuum.
Ishikawa, Takehiko, Rhim, Won-Kyu
core   +1 more source

Synthesis of SnO2 for Thermoelectric Applications Using the Hydrothermal, Co-precipitation, and Co-Precipitation Sonication Methods [PDF]

open access: yesE3S Web of Conferences
Tin oxide (SnO2) holds promise in thermoelectric applications. The paper explores the preparation of SnO2 nanoparticles by employing various methods.
Azzahra Izzatunnisa   +4 more
doaj   +1 more source

Heat and Charge Transport Properties of MgB2 [PDF]

open access: yes, 2001
A polycrystalline sample of the MgB_2 superconductor was investigated by measurements of the electrical resistivity, the thermopower and the thermal conductivity in the temperature range between 1.8K and 300K in zero magnetic field.
Alexander Gladun   +29 more
core   +3 more sources

A Brief Review on the Electrical Resistivity Of Aluminium Alloy and its Nanoparticles at Low Temperature

open access: yesComputational and Experimental Research in Materials and Renewable Energy, 2022
The objective of this review article is to study the resistivity of aluminium alloy at low temperatures. Various articles have been thoroughly studied for this review. Alloys that contain Al as dominant metal are termed as Al alloys.
Inzamam Khalid
doaj   +1 more source

Preparation and studying Structural and Electrical properties of nano Co3O4

open access: yesTikrit Journal of Pure Science, 2019
In this study (Cobalt oxide) nano powder prepared using sol-gel method with a crystallite size 22 nm By testing XRD  and by matching with card (JCPDS) files No.( 00-042-1467).
Nawar Thamer Mohammed   +1 more
doaj   +1 more source

Thermal conductivity and electrical transport properties of double-A-layer MAX phase Mo2Ga2C

open access: yesMaterials Research Letters, 2020
The present study reports the thermal conductivity and electrical transport properties of Mo2Ga2C, which is the first member of double-A-layer MAX phases. Dense bulk samples of Mo2Ga2C were prepared by vacuum hot pressing.
Sen Jin   +3 more
doaj   +1 more source

Estimation of electrical resistivity of conductive materials of random shapes

open access: yesElectrical engineering & Electromechanics, 2023
Introduction. Electrical resistivity is an important material characteristic in the field of electrical engineering and material science. There are several methods that can be used to measure resistance, like the 4-wire method which relates the ...
Š. Gans, J. Molnár, D. Kováč
doaj   +1 more source

Theoretical and Numerical Study on Electrical Resistivity Measurement of Cylindrical Rock Core Samples Using Perimeter Electrodes

open access: yesEnergies, 2021
The estimation of hydraulic and mechanical properties of bedrock is important for the evaluation of energy-related structures, including high-level nuclear waste repositories, hydraulic fracturing wells, and gas-hydrate production wells.
Ji-Won Kim   +3 more
doaj   +1 more source

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