Advances in New Multifunctional Hard Materials
A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Crystalline Metals and Alloys".
Deadline for manuscript submissions: 15 December 2024 | Viewed by 1332
Special Issue Editors
Interests: hard materials; powder metallurgy; thermodynamic simulation; mechanical properties
Interests: materials science; aerospace engineering; hard materials; cermets; stainless steels; high-entropy alloys; Ni-based superalloys; thermodynamic simulation; 3D design; microstructural analysis; mechanical characterization; powder metallurgy; additive manufacturing
2. CIEFMA–Department of Materials Science and Engineering, Universitat Politècnica de Catalunya-Barcelona TECH, Campus Diagonal Besòs (EEBE), C. d'Eduard Maristany 10-14, 08019 Barcelona, Spain
Interests: mechanical properties; microstructural characterization; hard materials; cermets; hardness; nanoindentation
Interests: powder metallurgy; titanium alloys; inorganic composites; co-free hardmetals; surface treatments and coatings; additive manufacturing
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Special Issue Information
Dear Colleagues,
Cemented carbides composed of WC and Co provide an excellent combination of hardness, fracture toughness and wear resistance. Nevertheless, the hard metal industry has become interested in the partial or total substitution of W and Co, not only due to economic factors—impinged by their use in Li-ion batteries in the automotive industry and their classification as CMRs (Critical Raw Materials)—but also health concerns (REACH-UE and NTP-US programs).
In recent years, there have been several publications about alternative metallic binders, such as Fe, Ni and HEAs (High-Entropy Alloys); alternative ceramic phases, such as titanium and tungsten borides, niobium carbide, titanium, vanadium, and tantalum carbonitrides; and HECs (High-Entropy Carbides). Recently, the additive manufacturing of hard metals, especially using the binder jetting technique, seems to be an alternative to traditional powder metallurgy. The good performance of these new materials depends on the tailoring of several factors, such as the starting powders, processing route, and microstructure, which lead to optimum mechanical properties for specific applications.
Dr. Tomas Soria-Biurrun
Dr. María de Nicolás Morillas
Dr. Hossein Besharatloo
Prof. Dr. Elena Gordo
Guest Editors
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Keywords
- alternative metallic binders
- alternative ceramic phases
- additive manufacturing
- conventional proccesing
- microstructural characterization
- mechanical properties
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