Results 21 to 30 of about 61,402 (309)

Experimental studies on cutting temperature and its effect in high speed turning of difficult-to-cut materials with ceramic tool

open access: yesNihon Kikai Gakkai ronbunshu, 2017
In high speed turning, six kinds of materials, namely, Ti-6Al-4V, Inconel718, SUS304, S50C, Copper and Aluminum are machined with a ceramic cutting tool in order to investigate the influence of the cutting speed on the temperature of the cutting tool ...
Takashi UEDA, Yuki HIRAI, Eiji SHAMOTO
doaj   +1 more source

Improvement of surface flashover in vacuum

open access: yesHigh Voltage, 2020
Surface flashover of insulation systems is a basic issue in the field of high voltage and electrical insulation. To improve the surface flashover performance is of great significance for the development of advanced power transmission equipment and ...
Shengtao Li
doaj   +1 more source

Highly Conducting Single-Molecule Topological Insulators Based on Mono- and Di-Radical Cations [PDF]

open access: yes, 2022
Single-molecule topological insulators are promising candidates as conducting wires over nanometer length scales. In past, most conjugated molecular wires exhibit low conductance that decays as the wire length increases.
Guanming, Liao   +13 more
core   +2 more sources

Epitaxial Graphene on 4H-SiC (0001) as a Versatile Platform for Materials Growth: Mini-Review

open access: yesApplied Sciences, 2021
Material growth on a dangling-bond-free interface such as graphene is a challenging technological task, which usually requires additional surface pre-treatment steps (functionalization, seed layer formation) to provide enough reactive sites. Being one of
Ivan Shtepliuk   +2 more
doaj   +1 more source

Ground Tire Rubber Recycling in Applications as Insulators in Polymeric Compounds, According to Spanish UNE Standards

open access: yesRecycling, 2020
In the present research, we investigated the conceivable outcomes of using ground tire rubber (GTR) particle polymeric blends. Special methods of restoring tires that are no longer in use include GTR retreading, GTR blending destined for recycling to ...
Marc Marín-Genescà   +5 more
doaj   +1 more source

Laboratory investigation of insulator contamination problems [PDF]

open access: yes, 1975
Includes bibliographical references.This thesis deals with the practical aspect of the laboratory examination of contaminated insulators. A technique which gives a pollution curve for cylindrical insulator models is described.
Travaglini, Mario
core   +1 more source

Analysis of Salt Mixture Contamination on Insulators via Laser-Induced Breakdown Spectroscopy

open access: yesApplied Sciences, 2020
The composition of contamination deposited on transmission line insulators can affect their surface flashover voltage. Currently, there is no rapid on-line method to detect this contamination composition in power grids.
Shan Lu   +5 more
doaj   +1 more source

Impact Sound Insulation of Thermally Insulated Balconies

open access: yesINTER-NOISE and NOISE-CON Congress and Conference Proceedings, 2022
AbstractWith the increasing urban densification, balconies are gaining in popularity as they improve the living quality in homes. From a technical point of view, the thermal insulation between balconies and the building’s façade is state of the art. In Germany, the most popular balcony construction is a reinforced concrete balcony, separated from the ...
L HEIDEMANN, J SCHECK, B ZEITLER
openaire   +1 more source

Topological States of Matter [PDF]

open access: yes, 2012
My research program is focused on the study of elastic deformation and topological defects in two materials: graphene and topological insulators. In both systems at low energies the electrons have a nearly linear spectrum, i.e.
Parente, Vincenzo
core   +1 more source

Superconductor–insulator transitions and insulators with localized pairs [PDF]

open access: yesPhysics-Uspekhi, 1998
Two experiments are described which are related to the problem of localized Cooper pairs. Magnetic-field-tuned superconductor-insulator transition was studied in amorphous In--O films with onset of the superconducting transition in zero field near 2 K. Experiments performed in the temperature range T>0.3 K indicate that at the critical field, B=B_c,
openaire   +2 more sources

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