Search for Articles:
Title / Keyword
Author / Affiliation / Email
Journal
Article Type
 
 
Advanced Search
 
Section
Special Issue
Volume
Issue
Number
Page
 
4.5
2.7
Journals
Applied Sciences
Special Issues
Advanced Methodology and Analysis in Electrical Materials Science
share announcement

Advanced Methodology and Analysis in Electrical Materials Science

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Electrical, Electronics and Communications Engineering".

Deadline for manuscript submissions: 30 November 2024 | Viewed by 1988

Special Issue Editors

Prof. Dr. Xiankun Zhang

E-Mail Website
Guest Editor
Institute of Frontier Interdisciplinary Science and Technology, University of Science and Technology Beijing, Beijing 100083, China
Interests: new semiconductor electronics and optoelectronic devices based on low-dimensional materials
Prof. Dr. Zhiguo Ye

E-Mail Website
Guest Editor
School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China
Interests: electrical contact materials; nano-materials; metal matrix composite
Dr. Yuwei Fu

E-Mail Website
Guest Editor
School of Electrical Engineering, Xi’an Jiaotong University, Xi’an, China
Interests: electrical equipment fault diagnosis; electric contact materials; electrical insulating materials

Special Issue Information

Dear Colleagues,

As one of the important strategic emerging industries, advanced electrical materials are the basis of power equipment manufacturing and play an important basic support and pilot role in developing electrical equipment and technology. This Special Issue aims to solve difficult issues in electrical materials, help the field of power electrical materials discipline integration and upstream and downstream industry exchanges, and help the large-scale application of achievements in electrical materials. This Special Issue involves basic theoretical research, design and manufacturing, large-scale preparation, performance testing, service evaluation, engineering application, standardization, and information technology in advanced electrical materials, providing readers with the latest research findings and innovative developments.

Prof. Dr. Xiankun Zhang
Prof. Dr. Zhiguo Ye
Dr. Yuwei Fu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • electrical materials
  • electrical insulating materials
  • electrical contact materials
  • electromagnetic conversion materials
  • shielding materials
  • energy storage materials

Published Papers (3 papers)

Download All Papers
Order results
Result details
Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:

Research

16 pages, 5312 KiB  
Article
Analysis of the Magnetic Properties of Ultra-Thin Grain-Oriented Silicon Steel and Fe-Based Amorphous Alloys from Power Frequency to Intermediate Frequency
by Guang Ma, Ling Cheng, Yu Han and Chengxu He
Appl. Sci. 2024, 14(8), 3162; https://doi.org/10.3390/app14083162 - 9 Apr 2024
Viewed by 464
Abstract
The magnetic properties of a 0.10 mm ultra-thin, grain-oriented (UTGO) silicon steel and an Fe-based amorphous (FBA) alloy under sinusoidal excitation were experimentally researched, and the magnetic field strength and iron loss of the two materials under different frequencies and magnetic densities were [...] Read more.
The magnetic properties of a 0.10 mm ultra-thin, grain-oriented (UTGO) silicon steel and an Fe-based amorphous (FBA) alloy under sinusoidal excitation were experimentally researched, and the magnetic field strength and iron loss of the two materials under different frequencies and magnetic densities were obtained. Based on the measured data, the magnetization and loss characteristics of the two materials were analyzed and compared. Furthermore, two Epstein square ring models of the same dimensions and different materials were designed, and the reliability of the models was verified. Then, the electromagnetic characteristics of the two Epstein square ring models at higher and lower frequencies were calculated using the finite element method, and the iron losses were obtained and compared. The results show that the FBA alloy has good application characteristics at low frequencies and low power, and the 0.10 mm UTGO silicon steel has good application characteristics at high frequencies and high power. This research provides important data, promoting the application of these two materials in new energy equipment. Full article
(This article belongs to the Special Issue Advanced Methodology and Analysis in Electrical Materials Science)
►▼ Show Figures

Figure 1

15 pages, 7051 KiB  
Article
Graphene-Enhanced CuW Composites for High-Voltage Circuit Breaker Electrical Contacts
by Tan Liu, Yu Han, Dongchen Jia, Zhen Pang, Yuwei Fu, Zhongxiao Song and Yi Ding
Appl. Sci. 2024, 14(7), 2731; https://doi.org/10.3390/app14072731 - 25 Mar 2024
Viewed by 461
Abstract
To address the issue of over-standard short-circuit currents in a power system, it is imperative to enhance the comprehensive performance of the electrical contacts, which serve as the lynchpin of circuit breakers, so as to improve the breaking capacity of high-voltage circuit breakers. [...] Read more.
To address the issue of over-standard short-circuit currents in a power system, it is imperative to enhance the comprehensive performance of the electrical contacts, which serve as the lynchpin of circuit breakers, so as to improve the breaking capacity of high-voltage circuit breakers. Graphene, as the most prominent two-dimensional carbon material in recent years, has garnered widespread applications across various fields. In this study, graphene-enhanced CuW composites for high-voltage circuit breaker electrical contacts were prepared innovatively using integrated vacuum infiltration technology. The innovative graphene-enhanced CuW composites significantly improved the mechanical, electrical, and ablation resistance properties, and have been successfully applied in the 252 kV/63 kA high-voltage SF6 circuit breakers, achieving 20 times effective consecutive full-capacity short-circuit current breaking. It provides a new route for the development and application of high-performance CuW electrical contacts. Looking ahead, it is planned to extend their application to higher voltage grade high-voltage circuit breakers. Full article
(This article belongs to the Special Issue Advanced Methodology and Analysis in Electrical Materials Science)
►▼ Show Figures

Figure 1

10 pages, 3035 KiB  
Article
Effect of Y2O3-Al2O3 Additives on the Microstructure and Electrical Properties Evolution of Si3N4 Ceramics
by Dong Hou, Yu Han, Jingkai Nie, Yiming Zhang and Leng Chen
Appl. Sci. 2024, 14(3), 1125; https://doi.org/10.3390/app14031125 - 29 Jan 2024
Viewed by 580
Abstract
Si3N4 ceramic materials have great potential in the field of insulation in SF6 gas ultra-high-voltage transmission and transformation equipment due to their excellent insulation performance and thermal stability. In this paper, Y2O3-Al2O3 was [...] Read more.
Si3N4 ceramic materials have great potential in the field of insulation in SF6 gas ultra-high-voltage transmission and transformation equipment due to their excellent insulation performance and thermal stability. In this paper, Y2O3-Al2O3 was used as a sintering aid to prepare high-density (>99%) Si3N4 ceramics through two-step pressureless liquid-phase sintering, and the mechanism of the influence of Y2O3-Al2O3 addition on the microstructure and electrical properties of Si3N4 ceramics was studied. The results showed that increasing the sintering aid content could increase the grain size of Si3N4 ceramics, while increasing the Y2O3 ratio could refine the grain size. When Y2O3-Al2O3 addition was 8% and the ratio was 5:3, the room temperature volume resistivity of Si3N4 ceramics was the highest, 7.33 × 1014 Ω·m, and the volume resistivity was the most stable when the sintering aid content was 12%. The internal carrier migration type of Si3N4 ceramics was mainly ion conduction, mainly along the grain boundaries. The temperature stability of the resistivity of Si3N4 ceramics could be improved by doping with Y3+ functional ions to reduce the potential barrier conductivity level and refine the grain size to improve the conduction path. The dielectric constant and dielectric loss of Si3N4 ceramics were mainly affected by interface polarization. They gradually increased with the increase in sintering aid addition. Temperature had little effect on dielectric constant and dielectric loss in the range of 20–80 °C. Full article
(This article belongs to the Special Issue Advanced Methodology and Analysis in Electrical Materials Science)
►▼ Show Figures

Figure 1

Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:
 
Displaying articles 1-3
Back to TopTop