Results 11 to 20 of about 202,133 (266)

Improving thermal conductivity of Inconel 718 through thermoelectric coupling to reduce cutting temperature

Journal of Materials Research and Technology, 2022
Inconel 718 is hard to machine with higher cutting temperature generated during machining process due to its low thermal conductivity. The thermal conductivity of materials consists of phonon and electronic thermal conductivity.
Qingan Yin, Zhanqiang Liu, Bing Wang, Kai Ma, Yukui Cai, Qinghua Song   +5 more
doaj   +1 more source

VARIASI KONDUKTIVITAS TERMAL PADA PROSES PEMOTONGAN SS400 DENGAN MEDIA PENDINGIN DROMUS TERHADAP KEKASARAN PERMUKAAN

Rekayasa Mesin, 2023
Thermal conductivity is a transport phenomenon where the temperature difference causes the transfer of thermal energy from the tip of the blade to the workpiece.
Mastiadi Tamjidillah, Rachmat Subagyo, Rudi Siswanto, Dhonie Adetya Rachman   +3 more
doaj   +1 more source

Effects of ZnO magnetron sputtering on surface charge and flashover voltage of oil-impregnated paper

High Voltage, 2019
With the aim of exploring an alternative method of nano-doping in cellulose paper and improving flashover strength of oil-impregnated paper, radio frequency (RF) magnetron sputtering method is introduced into the structural modification of insulating ...
Boxue Du, Jinpeng Jiang, Jin Li, Wenbo Zhu, Wenbo Zhu   +4 more
doaj   +1 more source

Effects of volume and surface conductivity on the surface charge and electric field characteristics of the tri‐post insulator in SF6‐filled ± 500 kV DC‐GIL

IET Generation, Transmission & Distribution, 2023
Herein, the surface charge characteristics of a tri‐post insulator in a ± 500 kV direct current gas‐insulated transmission lines (DC‐GIL) filled with SF6 are thoroughly studied.
Xiaolong Li, Guangkuo Zhang, Chen Cao, Yan Shi, Jie Li, Wenzhi Chang   +5 more
doaj   +1 more source

Nonlinear Surface Conductivity Characteristics of Epoxy Resin-Based Micro-Nano Structured Composites

Energies, 2022
Nonlinear composite materials serve to homogenize electric fields and can effectively improve the local concentration of the electric field in power systems.
Ning Guo, Jiaming Sun, Yunlei Li, Xiaoyu Lv, Junguo Gao, Mingpeng He, Yue Zhang   +6 more
doaj   +1 more source

Surface and Step Conductivities on Si(111) Surfaces [PDF]

Physical Review Letters, 2015
Published by APS, College Park, Md.
Just, Sven, Blab, Marcus, Korte, Stefan, Cherepanov, Vasily, Soltner, Helmut, Voigtländer, Bert   +5 more
openaire   +5 more sources

Transient surface charging of tri‐post insulator in SF6‐filled direct current gas‐insulated transmission lines: Effects of electric conductivity, gas pressure, and voltage amplitude

IET Generation, Transmission & Distribution, 2022
The transient surface charging characteristics of a tri‐post insulator in a ± 500 kV direct current gas‐insulated transmission lines (DC‐GIL) filled with sulfur hexafluoride (SF)6 gas are investigated.
Xiaolong Li, Guangkuo Zhang, Chen Cao, Yan Shi, Ying Lin, Wenzhi Chang   +5 more
doaj   +1 more source

Influence of surfactants on thermal performance of Al2O3/water nanofluids in a two-phase closed thermosyphon

Case Studies in Thermal Engineering, 2021
An experimental study was conducted to investigate the effect of surface tension and thermal conductivity of distilled water (DW) and 0.5 wt% alumina nanofluid with or without 1.5 wt% SDBS on a two-phase closed thermosyphon (TPCT).
Seungyeop Baek, Dongwook Shin, Jungpil Noh, Byeongkeun Choi, Sunchul Huh, Hyomin Jeong, Yonmo Sung   +6 more
doaj   +1 more source

Effect of long-term fluorination on surface electrical performance of ethylene propylene rubber

High Voltage, 2019
To investigate the effect of fluorination on surface electrical performance of ethylene propylene rubber (EPR), four pieces of EPR specimens are prepared and fluorinated for different duration ranging from 120 min to 480 min.
Rujia Men, Zhipeng Lei, Tao Han, Davide Fabiani, Chuanyang Li, Chuanyang Li, Simone Vincenzo Suraci, Jian Wang   +7 more
doaj   +1 more source

Surface conductivity in antiferromagnetic semiconductor CrSb_{2}

Physical Review Research, 2020
The contribution of bulk and surface to the electrical resistance along crystallographic b and c axes as a function of crystal thickness gives evidence for temperature-independent surface states in an antiferromagnetic narrow-gap semiconductor CrSb_{2 ...
Qianheng Du, Huixia Fu, Junzhang Ma, A. Chikina, M. Radovic, Binghai Yan, C. Petrovic   +6 more
doaj   +1 more source