Glass Formation in a Ni-Based Multicomponent Alloy by Mechanical Milling and Microwave Treatment of The Obtained Powders

Song Li; Guoqiang Xie; Dmitri V. Louzguine-lugzin; Motoyasu Sato; Akihisa Inoue

doi:10.2320/matertrans.MBW200823

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Glass Formation in a Ni-Based Multicomponent Alloy by Mechanical Milling and Microwave Treatment of The Obtained Powders

Song Li, Guoqiang Xie, Dmitri V. Louzguine-lugzin, Motoyasu Sato, Akihisa Inoue

著者情報

キーワード: mechanical milling, glass formation, crystallization, microwave heating

ジャーナル認証あり早期公開

論文ID: MBW200823

DOI https://doi.org/10.2320/matertrans.MBW200823

この記事には本公開記事があります。

The final version of this article is now available: Vol. 50 (2009) , No. 6 p.1489

詳細

抄録

Glass formation was achieved by mechanical milling of crystalline Ni₅₉Ti₁₆Zr₂₀Sn₅ pre-alloyed powders. Compared to the glassy alloy ribbon of the same composition obtained by melting-spinning method, the alloy powders milled for 24 h exhibited a lower crystallization temperature and do not have a distinct glass-transition characteristic. X-ray diffraction (XRD) and transmission electron microscopy (TEM) results indicated that a small fraction of the powder exists in nanocrystalline state within the glassy matrix. The obtained Ni₅₉Ti₁₆Zr₂₀Sn₅ powdered specimen was heated rapidly by microwave radiation and the bulk porous sample was obtained under a low applied pressure of 5 MPa.

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