Effect of Ball on SPS Characteristics of Ti-Al-Nd Powders Prepared by High Energy Ball Milling

• Autorzy: Lee Hyunseung , Rhee Hoseong , Lee Sangsoo , Chang Si Young

Identyfikatory

DOI

10.24425/amm.2023.141476

• Języki publikacji: EN

Abstrakty

EN

The effects of different types of balls on spark plasma sintering (SPS) characteristics of high energy ball milled Ti-48wt% Al-4wt% Nd powders were investigated. After ball milling with STS balls and zirconia balls at 800 rpm for 3 h in argon atmosphere, both powders showed shape factors of about 0.8, but their average powder sizes differed respectively at approximately 11 µm and 5 µm. From XRD results, only the peaks of pure Ti, Al and Nd were detected in both powders. The obtained Ti-Al-Nd powders were consolidated by SPS technique at 1373 K for 15 min under a pressure of 50 MPa in vacuum, resulting in high density over 99%. EDS and XRD analyses indicated the formation of binary phases such as TiAl₃, TiAl, Ti₃Al₅, and NdAl₃ after SPS in both cases of STS and zirconia balls, while the ternary Ti-Al-Nd phase was detected only in the case of zirconia balls. The size of second phases was slightly smaller in the case of zirconia balls. The microhardness of the sample was 790 Hv with zirconia balls and 540 Hv with STS balls.

Słowa kluczowe

EN

high energy ball milling; STS; zirconia ball; SPS; Ti-Al-Nd alloy; microhardness

• 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: 2023
• Tom: Vol. 68, iss. 1
• Strony: 81--84
• Opis fizyczny: Bibliogr. 23 poz., fot., rys., tab

Twórcy

autor

Lee Hyunseung

• Korea Aerospace University, Department of Materials Science and Engineering, Goyang, Korea

• https://orcid.org/0000-0003-0368-4041

autor

Rhee Hoseong

• Korea Aerospace University, Department of Materials Science and Engineering, Goyang, Korea

• https://orcid.org/0000-0002-7464-359X

autor

Lee Sangsoo

• Korea Aerospace University, Advanced Materials Research Institute, Goyang, Korea

• https://orcid.org/0000-0002-3886-2285

autor

Chang Si Young

• Korea Aerospace University, Department of Materials Science and Engineering, Goyang, Korea

• https://orcid.org/0000-0002-9623-7699

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Uwagi

1. This work was supported by the Ministry of Trade, Industry and Energy (MOTIE, Korea) under Industrial Technology Innovation Program, No. 20000970.

2. Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).