Homogeneous Dispersion of Yttrium Oxide Particles in Nickel-Based Superalloy by High Pressure Homogenizing and Ball Milling Method

• Autorzy: Byun Jongmin , Lee Young-In , Oh Sung-Tag

Identyfikatory

DOI

10.24425/amm.2021.136424

• Języki publikacji: EN

Abstrakty

EN

An optimum route to fabricate the Ni-based superalloy with homogeneous dispersion of Y₂O₃ particles is investigated. Ni-based ODS powder was prepared by high-energy ball milling of gas-atomized alloy powders and Y₂O₃ particles treated with a high-pressure homogenizer. Decrease in particle size and improvement of dispersion stability were observed by high-pressure homogenization of as-received Y₂O₃ particles, presumably by the powerful cavitation forces and by collisions of the particles. Microstructural analysis for the ball-milled powder mixtures reveal that Ni-based ODS powders prepared from high-pressure homogenization of Y₂O₃ particles exhibited more fine and uniform distribution of Ni and Y elements compared to the as-received powder. These results suggested that high-pressure homogenization process is useful for producing Ni-based superalloy with homogeneously dispersed oxide particles.

Słowa kluczowe

EN

Ni-based superalloy; Y2O3 dispersion; high pressure homogenizer; spark plasma sintering; microstructure

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2021
• Tom: Vol. 66, iss. 4
• Strony: 1055--1058
• Opis fizyczny: Bibliogr. 15 poz., fot., rys.

Twórcy

autor

Byun Jongmin

• Seoul National University of Science and Technology, Department of Materials Science and Engineering & the Institute of Powder Technology, Seoul 01811, Republic of Korea

• https://orcid.org/0000-0002-0354-237X

autor

Lee Young-In

• Seoul National University of Science and Technology, Department of Materials Science and Engineering & the Institute of Powder Technology, Seoul 01811, Republic of Korea

• https://orcid.org/0000-0002-9830-8294

autor

Oh Sung-Tag

• Seoul National University of Science and Technology, Department of Materials Science and Engineering & the Institute of Powder Technology, Seoul 01811, Republic of Korea

• https://orcid.org/0000-0003-4556-4291

Bibliografia

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Uwagi

1. This study was supported by the Research Program funded by the SeoulTech (Seoul National University of Science and Technology).

2. Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).