Formation of Amorphous and Nanocrystalline Ti-Cu-Ni Alloys by Mechanical Alloying (特集 アモルファス-ナノ・グラニュラ-機能材料 1)
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概要
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Amorphous and nanocrystalline powders of Ti<SUB>x</SUB>Cu<SUB>90-x</SUB>Ni<SUB>10</SUB> (x=20, 30, 40, 50 and 60 at.%) have been synthesized by the mechanical alloying method under argon atmosphere. The mechanically alloyed powders show halo patterns in the X-ray diffraction patterns for 30 ?? × ?? 60 and disordered fcc structures, with nanocrystalline grains for x=20. In the amorphous powders, the peak position of 2θ shifts to the low angle side almost linearly with increasing x. In particular, the amorphous phase is earlier formed with increasing x from 20 to 50. In the differential scanning calorimetry experiment, crystallization temperature and peak temperature increase linearly for 30 ?? ×<60. The average particle size estimated by scanning electron microscopy is about 11 gm for 30 ?? × ?? 60.
- 社団法人 粉体粉末冶金協会の論文
- 1996-05-15
著者
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SUZUKI Kenji
Institute for Materials Research, Tohoku University
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Suzuki Kenji
Institute For Material Resezrch Tohoku University
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SUMIYAMA Kenji
Institute of Materials Research,Tohoku University
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Kim Hyun-goo
Dept. Phys. Chosun University Kwangju
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Sumiyama Kenji
Institute For Materials Research Tohoku University
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Suzuki Kenji
Institute For Masterials Research Tohoku University
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