Advances in Multifunctional Materials Obtained at High Temperature and Pressure Conditions
A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Materials Physics".
Deadline for manuscript submissions: 10 April 2025 | Viewed by 75
Special Issue Editor
Interests: powder metallurgy; ceramics and metal alloys synthesis and sintering; SPS; high-pressure–high-temperature sintering; material studies; cutting tool materials; high-pressure phases; thermal resistance of materials
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Metals, ceramics, and metal–ceramic composites obtained at high temperatures (above 1000 °C) and pressures equal to or higher than 35 MPa most often belong to high-melting materials. The use of high pressures during their production affects the different phase composition of these materials compared to materials produced at pressures close to normal (atmospheric). These materials often contain metastable phases (in atmospheric conditions) with properties that are often not yet known. Such production conditions also affect the reduction in the grain size of the obtained materials and the reduction in their porosity, which is what leads to their good mechanical properties. The use of the above sintering conditions allows the consolidation of nanometric powders. These materials are obtained by ultra-high pressure sintering methods, including HP-HT, hot pressing, spark plasma sintering, plasma spray, and others. The most famous materials that are obtained using these methods are diamonds, cubic boron nitride, carbides, borides, nitrides, some stainless steels, Ni-base alloys, refractory metals (e.g., tungsten, rhenium, osmium, tantalum, molybdenum, niobium, zirconium, and iridium), their alloys, and others. The application of these materials is very wide in many areas of life. The materials obtained are being encountered in such applications, including turbine blade materials, cutting and drilling tool materials, heating elements, insulations in furnaces, nozzles, heat shields, high-temperature reusable surface insulation tiles, implants, and many others. Therefore, this Special Issue welcomes contributions from all researchers working on high temperature and pressure material retrieval, as well as on their synthesis, characterization, properties, and applications.
Prof. Dr. Lucyna Jaworska
Guest Editor
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Keywords
- HP-HT sintering
- SPS
- HP
- plasma spray
- metal
- ceramic
- composite
- properties
- microstructures
- phase composition
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