Advances in Nanostructured Alloys: From Design to Applications

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Inorganic Materials and Metal-Organic Frameworks".

Deadline for manuscript submissions: 31 October 2025 | Viewed by 518

Special Issue Editors


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Guest Editor
School of Materials Science and Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
Interests: nanostructured and amorphous materials; high-entropy ceramics and alloys thin films for advanced coatings; materials for energy and catalysis applications
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Guest Editor
Department of Materials Engineering, Federal University of São Carlos (UFSCar), Sao Carlos CEP 13565-905, Brazil
Interests: nanomaterials; high-entropy alloys; amorphous alloys

Special Issue Information

Dear Colleagues,

Nanostructured alloys have recently gained significant attention due to their exceptional physical, chemical, and mechanical properties, which set them apart from conventional alloys. Their nanoscale structures enable unique phase stability, enhanced mechanical strength, superior catalytic activity, and tunable electronic and magnetic properties. These remarkable characteristics make nanostructured alloys highly promising for applications in catalysis, energy storage, coatings, biomedical engineering, and structural materials.

Recent advancements in synthesis, processing, and characterization techniques have opened up new possibilities for designing and optimizing nanostructured alloys. Improved control over composition, phase transformations, and microstructural stability has led to the development of materials with enhanced mechanical performance, corrosion resistance, and functional properties. The ability to fine-tune grain boundaries, defect structures, and element distribution at the nanoscale has further expanded the application potential of these materials in extreme environments. Moreover, integrating multiscale modeling and computational approaches has provided deeper insights into the underlying mechanisms governing their behavior, accelerating the discovery of novel alloy systems.

This Special Issue, "Advances in Nanostructured Alloys: From Design to Applications", seeks to showcase cutting-edge research in this dynamic field. We invite original research and review articles on topics including, but not limited to:

  • Nanostructures and functional properties;
  • Mechanical properties, strength, and deformation mechanisms;
  • Synthesis and processing methods of nanostructured alloys;
  • Microstructure–property relationships;
  • Advanced characterization methods;
  • Phase stability and thermal behavior;
  • High-entropy alloys and complex concentrated alloys;
  • Applications in catalysis, energy storage, and coatings;
  • Theoretical and computational studies.

We welcome contributions that advance the fundamental understanding and real-world applications of nanostructured alloys.

Dr. Hossein Minouei
Dr. Mohsen Saboktakin Rizi
Guest Editors

Manuscript Submission Information

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Keywords

  • nanostructured alloys
  • microstructure-property relationships
  • phase stability
  • mechanical properties
  • functional nanomaterials
  • nanocomposites
  • synthesis and processing
  • high-entropy alloys
  • advanced characterization
  • computational modeling of nanomaterials

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Published Papers (1 paper)

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Research

12 pages, 2202 KB  
Article
Role of Cu in Nanostructural Relationship Between Phase Separation and Deformation-Induced Twinning in Heavily Drawn Non-Equiatomic High-Entropy Alloy Wire
by Sang Hun Shim, Mohsen Saboktakin Rizi, Hossein Minouei and Sun Ig Hong
Nanomaterials 2025, 15(16), 1281; https://doi.org/10.3390/nano15161281 - 20 Aug 2025
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Abstract
This study investigates the influence of Cu addition on the nanostructural evolution and mechanical performance of a heavily drawn non-equiatomic CoCu1.71FeMnNi high-entropy alloy (HEA) wire. Through systematic microstructural and compositional analysis, we examine how Cu constituent affects phase separation behavior and [...] Read more.
This study investigates the influence of Cu addition on the nanostructural evolution and mechanical performance of a heavily drawn non-equiatomic CoCu1.71FeMnNi high-entropy alloy (HEA) wire. Through systematic microstructural and compositional analysis, we examine how Cu constituent affects phase separation behavior and promotes deformation-induced nano-twinning in another phase counterpart. The designed HEA wire exhibits an elongated ultrafine dual face-centered cubic (fcc) lamella structure (i.e., Co-Fe-rich and Cu-rich phases) that emerges through compositional segregation by spontaneous phase separation from the as-cast state. High-resolution electron microscopy reveals the dislocation wall boundaries stabilized by nanoscale phase interfaces. The cold-drawn CoCu1.71FeMnNi wire features an impressive combination of strength and ductility, as well as an ultimate tensile strength of nearly ~2 GPa with an elongation of over ~6%. These findings highlight the critical role of compositional tuning in controlling the ultrafine lamella structure stabilized by spinodal-like phase decomposition, offering a pathway to engineering high-performance HEA wires for advanced structural applications. Full article
(This article belongs to the Special Issue Advances in Nanostructured Alloys: From Design to Applications)
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