FABRICATION OF MOLYBDENUM ALLOY WITH DISTRIBUTED HIGH-ENTROPY ALLOY VIA PRESSURELESS SINTERINGopen access
- Authors
- Choi, Won June; Park, CheonWoong; Byun, Jongmin; Kim, Young Do
- Issue Date
- Sep-2020
- Publisher
- POLSKA AKAD NAUK, POLISH ACAD SCIENCES, INST METALL & MATER SCI PAS
- Keywords
- Molybdenum alloy; High-entropy alloys; Core-shell powder
- Citation
- ARCHIVES OF METALLURGY AND MATERIALS, v.65, no.4, pp.1269 - 1272
- Indexed
- SCIE
SCOPUS
- Journal Title
- ARCHIVES OF METALLURGY AND MATERIALS
- Volume
- 65
- Number
- 4
- Start Page
- 1269
- End Page
- 1272
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/1757
- DOI
- 10.24425/amm.2020.133682
- ISSN
- 1733-3490
- 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. Th e se 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.
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