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Title: SHOCK-WAVE SYNTHESES OF HIGH ENTROPY ALLOYS IN Fe-W-Al-Ti-Ni-B-C SYSTEM
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SHOCK-WAVE SYNTHESES OF HIGH ENTROPY ALLOYS IN Fe-W-Al-Ti-Ni-B-C SYSTEM
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10.5593/sgem2023/6.1
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1314-2704
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English
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23
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6.1
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• Prof. DSc. Oleksandr Trofymchuk, UKRAINE
• Prof. Dr. hab. oec. Baiba Rivza, LATVIA |
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High-Entropy Alloys (HEAs) have higher mixing entropy than the conventional alloys and intermetallic compounds and form the stabile solid solutions with disordered structure. They exhibit unique and special properties, in particular high hardness, wearresistance, significantly high strength, structural stability, good corrosion, and oxidation-resistance. HEAs “exotic”, core effects are followings: high configurational entropy; sluggish diffusion; lattice distortion and cocktail effect. At the current stage, the volume of investigations towards high entropy materials extended from single-phase solid solution structure to multi-phase structures, containing solid solution phases, intermetallic compounds, oxides, borides etc. Promised direction in this field are the high-entropy composites, prepared based on the HEAs matrix- reinforced with hard ceramic compounds. Accordingly, there is a huge potential to find new properties in the field of multi-component high-entropy nanostructure materials. The Fe-W-Al-Ti-Ni–BC composition considered in article for fabrication of HEA’s. The content of elements in blend were determined on the base of phase diagrams available in scientific databases. The planetary ball mill is used for Mechanical Alloying (MA) and nanopowder production. Industrial explosives are used for shock wave generation and consolidation of the blend. The MA blend charged in low carbon cylindrical steel tube container and closed both sides. A cardboard box with blend container was filled with explosives and detonated. The phase analyses and structure-property of obtained bulks HEA compacts investigated. Results of investigations discussed and presented in the paper.
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conference
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Proceedings of 23rd International Multidisciplinary Scientific GeoConference SGEM 2023
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23rd International Multidisciplinary Scientific GeoConference SGEM 2023, 03 - 09 July, 2023
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference SGEM
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SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Turkish Acad Sci.
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87-94
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03 - 09 July, 2023
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website
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9222
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shock wave, high entropy alloys, nanocomposite, nanopowder, mechanical alloying
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