Synthesis of β-FeSi_2 Utilizing the Combined Process of MA/SPS(Materials, Metallurgy & Weldability)
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概要
- 論文の詳細を見る
β-FeSi_2 was successfully produced by making use of the combined process of mechanical alloying (MA) and spark plasma sintering (SPS). The MA was performed under the Ar gas atmosphere usingmixed powders of pure iron and silicon having the mole fraction of 1:2. The SPS process was performed at 1073K with the heatingrate of 133K/s and a holding time rangingfrom 0 to 15ks. The combined process was quite effective for the production of β-FeSi_2, where the minimum SPS time required was found to depend on the MA time. The shortest SPS holdingtime of 0s. was achieved for the powders mechanically alloyed for 72ks. The relative density of each sinter was around 90% (4.44g/cm^3) of its ideal density, and in particular the density of 97.4gr was obtained for the sinter which was mechanically alloyed for 72ks, followed by the SPS treatment for 600s.
- 大阪大学の論文
著者
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NAKA Masaaki
Joining and Welding Research Institute, Osaka University
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NAKA Masaaki
Osaka University
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Naka M
Osaka Univ. Ibaraki Jpn
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Naka Masaaki
Welding Research Institute Of Osaka University
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Shibayanagi Toshiya
Osaka University
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MAEDA Masakatsu
Osaka University
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YAMANOTO Jun-ichi
Osaka University
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