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Materials Under Extreme Conditions: Design, Characterization and Applications

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Materials Physics".

Deadline for manuscript submissions: 20 September 2026 | Viewed by 531

Special Issue Editor


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Guest Editor
Institute of Engineering Thermophysics, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China
Interests: micro/nanoscale heat transfer; design and fabrication of nanodevices; nanoscale measurement techniques; single-molecule detection; all-solid-state lithium battery
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Special Issue Information

Dear Colleagues,

The Special Issue titled ‘Materials Under Extreme Conditions: Design, Characterization and Applications' centers on structural and functional materials that operate in harsh environments, such as extreme temperatures, high pressure, intense radiation, or strong electromagnetic fields. It stands out for its integration of in-depth fundamental research and high practical application value, making it of great practical significance in key fields including aerospace, nuclear energy, national defense, and energy engineering. In these critical sectors, the performance and reliability of materials under extreme conditions directly determine the safety, efficiency, and advancement of core equipment and technologies, which highlights the irreplaceable role of this Special Issue.

This Special Issue not only covers the classic scope of materials research but also accurately taps into underexplored areas in the current academic landscape. With its unique research perspective, it is highly expected to attract the attention of researchers from multiple disciplines, such as materials science, mechanical engineering, physics, and chemical engineering. This cross-disciplinary appeal will facilitate the exchange of innovative ideas and collaborative research among scholars from different fields, further promoting the development of materials science under extreme conditions.

The research focus of this Special Issue is clear and targeted. It not only includes material systems with great application potential, such as high-entropy alloys, advanced ceramics, and refractory nanocomposites, but also conducts in-depth discussions on computational design methods and in situ characterization technologies for materials. These contents provide comprehensive research ideas and technical support for the performance optimization, functional innovation, and practical application of materials under extreme conditions. By systematically presenting the latest research achievements and technical progress in these aspects, the Special Issue plays a crucial role in driving technological breakthroughs and industrial development in related fields and also lays a solid foundation for future research on materials under extreme conditions.

Dr. Haidong Wang
Guest Editor

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 250 words) can be sent to the Editorial Office for assessment.

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. Materials 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 2600 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

  • in situ characterization
  • extreme conditions
  • computational design methods
  • energy engineering
  • functional materials

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Published Papers (1 paper)

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Research

13 pages, 2794 KB  
Article
Industrial-Scale Copper Wear Reduction in the Electrical Discharge Machining Through Hydrostatic Extrusion
by Jacek Skiba, Mariusz Kulczyk, Sylwia Przybysz-Gloc, Monika Skorupska, Mariusz Kobus and Kamil Nowak
Materials 2026, 19(7), 1314; https://doi.org/10.3390/ma19071314 - 26 Mar 2026
Viewed by 330
Abstract
The study focused on the development and optimization of plastic deformation of pure M1E copper using an unconventional hydrostatic extrusion (HE) process aimed at improving the performance of electrodes used in electrical discharge machining (EDM). The process was designed to refine the microstructure [...] Read more.
The study focused on the development and optimization of plastic deformation of pure M1E copper using an unconventional hydrostatic extrusion (HE) process aimed at improving the performance of electrodes used in electrical discharge machining (EDM). The process was designed to refine the microstructure while maintaining the high electrical conductivity required for EDM applications. Optimization of a three-stage HE process (cumulative strain ε = 2.51) resulted in the formation of an ultrafine-grained structure (d2 ≈ 370 nm), leading to a significant increase in mechanical strength (UTS ≈ 400 MPa) while preserving very high electrical conductivity (~99% IACS). This combination of properties is particularly important for EDM electrodes, as it allows improved wear resistance without compromising electrical performance. Due to the application-oriented nature of the study, the HE-processed copper was tested under industrial EDM conditions. Wear tests were conducted using seven electrodes of different geometries required for the production of a sample injection mold. The results demonstrated a substantial reduction in electroerosion wear of HE-processed electrodes (30–90%) compared with undeformed copper, together with up to 25% improvement in surface quality. These findings indicate that hydrostatic extrusion is an effective method for producing high performance EDM electrode materials with improved durability and machining quality. Full article
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