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- Title
FABRICATION OF MOLYBDENUM ALLOY WITH DISTRIBUTED HIGH-ENTROPY ALLOY VIA PRESSURELESS SINTERING.
- Authors
WON JUNE CHOI; CHEONWOONG PARK; JONGMIN BYUN; YOUNG DO KIM
- Abstract
In this study, a molybdenum alloy with dispersed high-entropy particles was fabricated using the powder metallurgy method. The high-entropy powder, composed of Nb, Ta, V, W, and Zr elements with a same atomic fraction, was prepared via high-energy ball milling. Using this powder, an ideal core-shell powder, composed of high-entropy powder as core and Mo powder as shell, was synthesized via the milling and reduction processes. These processes enabled the realization of an ideal microstructure with the high-entropy phase uniformly dispersed in the Mo matrix. The sintered body was successfully fabricated via uniaxial compaction followed by pressureless sintering. The sintered body was analyzed by X-ray diffraction and scanning electron microscope, and the high-entropy phase is uniformly dispersed in the Mo matrix.
- Subjects
MOLYBDENUM alloys; POWDER metallurgy; MOLYBDENUM; SCANNING electron microscopes; ALLOYS; SINTERING; MOLYBDENUM disilicide
- Publication
Archives of Metallurgy & Materials, 2020, Vol 65, Issue 4, p1269
- ISSN
1733-3490
- Publication type
Article
- DOI
10.24425/amm.2020.133682