Stability of nanocrystalline disordered NiAl synthesized by mechanical alloying

J. Joardar; S. K. Pabi; H.-J. Fecht; B. S. Murty

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Stability of nanocrystalline disordered NiAl synthesized by mechanical alloying

机译：机械合金化制备纳米晶无序NiAl的稳定性

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The thermal stability of highly disordered mechanically alloyed nanocrystalline NiAl has been evaluated. The reordering of disordered NiAl(Cr) shows extremely fast kinetics on isothermal annealing at and above 673, while the process is quite sluggish below this temperature. On the other hand, significant reordering in NIAl(Fe) takes place even at 573. A unique dependence of reordering on the grain growth of the nanophase is evident during thermal treatment. Rapid grain coarsening begins only as the absolute temperature approaches approximately 0.4T_m, where T_m is the melting point of the aluminide.

机译：已经评估了高度无序的机械合金化纳米晶NiAl的热稳定性。无序NiAl（Cr）的重排在673及更高温度下的等温退火中显示出极快的动力学，而在此温度以下该过程相当缓慢。另一方面，即使在573，NIAl（Fe）也会发生明显的重排。在热处理过程中，重排对纳米相晶粒生长的独特依赖性是显而易见的。快速晶粒粗化仅在绝对温度接近0.4T_m时才开始，其中T_m是铝化物的熔点。

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《Philosophical Magazine Letters》 |2002年第9期|共7页
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J. Joardar; S. K. Pabi; H.-J. Fecht; B. S. Murty;
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1. 机械合金化制备纳米晶镁基合金的热稳定性 [J] . M. RAJABI, R. M. SEDIGHI, S. M. RABIEE 中国有色金属学报（英文版） . 2016,第002期
2. 机械合金化制备纳米晶镁基合金的热稳定性 [J] . M.RAJABI, R.M.SEDIGHI, S.M.RABIEE 中国有色金属学报：英文版 . 2016,第002期
3. Stability of nanocrystalline disordered NiAl synthesized by mechanical alloying [J] . J. Joardar, S. K. Pabi, H.-J. Fecht, Philosophical Magazine Letters . 2002,第9期

机译：机械合金化制备纳米晶无序NiAl的稳定性
4. Consolidation and Compression Property of Nanocrystalline NiAl Synthesized by Mechanical Alloying [J] . Zhiguang LIU, Jianting GUO, Nanlin SHI, Journal of Materials Science & Technology . 1996,第1期

机译：机械合金化法合成纳米晶NiAl的固结和压缩性能
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机译：机械合金化Ni_（90）Si_（10）合成的纳米晶fcc和hcp Ni（Si）的热稳定性
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机译：机械合金化纳米AlAl-Al_2O_3复合粉
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机译：机械研磨合成的纳米晶合金的形成和稳定性。
8. Shift of Creep Mechanism in Nanocrystalline NiAl Alloy [O] . Zhihui Sun, Baoshu Liu, Chenwei He, 2019

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9. SYNTHESIS AND CHARACTERIZATION OF MECHANICALLY ALLOYED AND SHOCK- CONSOLIDATED NANOCRYSTALLINE NiAl INTERMETALLIC [O] . T. Chen, J. M. Hampikian, N. N. Thadhani 1999

机译：机械合金化和冲击固结纳米Nial基金属的合成与表征
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机译：机械合金化Nial和Nial基合金的组织，塑性变形和力学性能

Stability of nanocrystalline disordered NiAl synthesized by mechanical alloying

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