Understanding the Oxide Dispersion Behavior of Yttria in Metal Matrix of MA956 Alloy through High-Energy Milling and Hot Press Sintering

• Autorzy: Swain B. , Han D. , Kim G.-H. , Kong M.-S. , Ahn B.

Identyfikatory

DOI

10.1515/amm-2017-0212

• Języki publikacji: EN

Abstrakty

EN

MA956 (Fe-Cr-Al) alloy powder was high-energy ball milled with various amount of yttria contents (1,2,3, and 4 wt.%) to fabricate an oxide dispersion strengthened alloy. The milled powders were then consolidated using hot press sintering at 1150°C. The surface morphology and crystal structure of MA956 powder during the high-energy milling depending on the yttria contents was investigated using particle size analysis, X-ray diffraction, and scanning electron microscopy. The microstructural analysis of sintered alloy was performed using transmission electron microscopy and energy dispersive spectroscopy to evaluate the dispersion behavior of yttrium oxide. The results showed that, as yttria contents increased, the oxide particles became finer and are uniformly distributed during the high-energy milling. However, after the sintering, the oxide particles were coarsened with more than 3 wt.% of yttria addition.

Słowa kluczowe

EN

ODS; mechanical alloying; high-energy milling; oxide particle distribution

• 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: 2017
• Tom: Vol. 62, iss. 2B
• Strony: 1377--1381
• Opis fizyczny: Bibliogr. 22 poz., rys., tab.

Twórcy

autor

Swain B.

• Advanced Materials & Processing Center, Institute for Advanced Engineering, Youngin, Korea

autor

Han D.

• Advanced Materials & Processing Center, Institute for Advanced Engineering, Youngin, Korea

autor

Kim G.-H.

• Advanced Materials & Processing Center, Institute for Advanced Engineering, Youngin, Korea

autor

Kong M.-S.

• Advanced Materials & Processing Center, Institute for Advanced Engineering, Youngin, Korea

autor

Ahn B.

• Department of Materials Science and Engineering & Energy Systems Research, Ajou University, 206 Worldcup-Ro, Yeongtong-Gu, Suwon, Gyeonggi, 16499, Korea

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)