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Formation of amorphous Al-Cr alloys by mechanical alloying of elemental aluminium and chromium powders

Kobayashi, Kojiro ; Tachibana, Nobuo ; Shingu, Paul

Journal of Materials Science, 1990, Vol.25(7), pp.3149-3154 [Tạp chí có phản biện]

ISSN: 0022-2461 ; E-ISSN: 1573-4803 ; DOI: 10.1007/BF00587665

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  • Nhan đề:
    Formation of amorphous Al-Cr alloys by mechanical alloying of elemental aluminium and chromium powders
  • Tác giả: Kobayashi, Kojiro ; Tachibana, Nobuo ; Shingu, Paul
  • Chủ đề: Chromium (Metal) ; Specialty Metals Industry
  • Là 1 phần của: Journal of Materials Science, 1990, Vol.25(7), pp.3149-3154
  • Mô tả: Mechanical alloying (MA) of elemental aluminium and chromium powders has been performed using a conventional ball-mill. The MA process produces composite metal powders and homogeneously alloyed powders. During continuous heating at the rate of 0.33 K sec −1 Al-15 at% Cr samples ball-milled for 800 and 1000 h showed two exothermal peaks. The first peak which appeared at the lower temperature corresponds to amorphization of the MA powders. It was confirmed by X-ray and transmission electron microscopy that the heattreated powders, quenched from a temperature just above the first peak, were amorphous phase. Amorphous Al-Cr alloys were formed using elemental powders by MA and subsequent heat treatment.
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0022-2461 ; E-ISSN: 1573-4803 ; DOI: 10.1007/BF00587665

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