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Crystalline-amorphous transformations by mechanical alloying

Crystalline-amorphous transformations by mechanical alloying
通过机械合金化进行晶-非晶转变
批准号:
11650712
负责人:
AOKI Kiyoshi
金额:
$2.3万
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
1999
资助国家:
日本
项目状态:
已结题
起止时间:
1999 至 2001

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中文摘要
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英文摘要
Cyclic crystalline-amorphous-crystalline phase transformations have been investigated during high-energy ball milling of a mixture of elemental Co_<75>Ti_<25> powder under an argon gas atmosphere. The results have shown that the single amoiphous phase, which is obtained after 11 ks of mechanical alloying time, transforms into a new metastable phase of nanocrystalline bcc-Co_3Ti upon milling for 86 ks. However, it transforms to the same amorphous phase upon further milling (360 ks). The present work shows the effects of the milling time and the milling speed on the structure of the mechanically alloyed powders.
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M. Sherif EL-Eskandarany, K. Aoki, K. Sumiyama and K. Suzuki: "Cyclic phase transformations of mechanically alloyed Co_<75>Ti_<25> powders"Acta materialia. 50. 1113-1123 (2002)
M. Sherif EL-Eskandarany、K. Aoki、K. Sumiyama 和 K. Suzuki:“机械合金化 Co_<75>Ti_<25> 粉末的循环相变”材料学报。
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M.S.EL-Eskandarany,K.Aoki,K.Sumiyama,K.Suzuki: "Cyclic Solid State Transformation during Ball Milling of Aluminum Zirconium Powder and the Effect of Milling Speed"Metall. Mater. Trans.. 30A. 1877-1880 (1999)
M.S.EL-Eskandarany、K.Aoki、K.Sumiyama、K.Suzuki:“铝锆粉球磨过程中的循环固态转变以及研磨速度的影响”金属。
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通讯作者:
M.Sherif EL-Eskandarany, K.Aoki, K.Sumiyama et al.: "Cyclic ciystall me-amorphous transformations of Mechanically alloyed Co_<75>Ti_<25>"Applied Physics Letter. 70. 1679-1681 (1997)
M.Sherif EL-Eskandarany、K.Aoki、K.Sumiyama 等人:“机械合金化 Co_<75>Ti_<25> 的循环晶体非晶转变”应用物理快报。
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M. Sherif EL-Eskandarany, K. Aoki, K. Sumiyama, and K. Suzuki: "Cyclic crystalline-amorphous transformations of Mechanically alloyed Co_<75>Ti_<50>"Applied Physics Letter. 70. 1679-1681 (1997)
M. Sherif EL-Eskandarany、K. Aoki、K. Sumiyama 和 K. Suzuki:“机械合金化 Co_<75>Ti_<50> 的循环结晶-非晶转变”应用物理快报。
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13
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    • 批准号:
      18206072
    • 项目类别:
      Grant-in-Aid for Scientific Research (A)
    • 资助金额:
      $32.7万
    • 财政年份:
      2006
    • 负责人:
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    • 依托单位:
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    • 批准号:
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    • 项目类别:
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    • 资助金额:
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    • 财政年份:
      2002
    • 负责人:
      AOKI Kiyoshi
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    • 批准号:
      13680879
    • 项目类别:
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    • 资助金额:
      $2.11万
    • 财政年份:
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    • 项目类别:
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    • 资助金额:
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    • 财政年份:
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    • 负责人:
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    • 依托单位:
    海外基金