Structure Peculiarities of Nanocomposite Powder Fe40Al/Al_2O_3 Produced by MASHS

机译：MASHS生产的纳米复合粉末Fe40Al / Al_2O_3的结构特性

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Structure investigation results for MASHS powder Fe40Al/Al_2O_3 are presented. The powder structure formation proceeds via two stages. On the first step (mechanical activation) aluminothermal reaction takes plays in the system Fe+Al+Fe_2O_3, leading to formation of nanocomposite precursor Fe-Al-Al_2O_3. On the second step (SHS), iron and aluminum reacts, forming intermetallic FeAl. As-synthesized composite powder completely inherits the precursor structural morphology in spite of the phase transformations taking place during the production process. Such a production route provides the formation of intergrowth nanocomposite material structure with improved interfacial strength.

机译：给出了MASHS粉末Fe40Al / Al_2O_3的结构研究结果。粉末结构的形成通过两个阶段进行。在第一步（机械活化）中，铝热反应在系统Fe + Al + Fe_2O_3中起作用，导致形成纳米复合材料前驱体Fe-Al-Al_2O_3。在第二步（SHS）中，铁和铝发生反应，形成金属间FeAl。尽管在生产过程中发生了相变，合成后的复合粉末仍完全继承了前体的结构形态。这样的生产途径提供了具有改善的界面强度的共生纳米复合材料结构的形成。

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来源
《Powder Metallurgy World Congress amp; Exhibition(PM 2006); 20060924-28; Busan(KR)》|2006年|P.14211424|共2页
会议地点 Busan(KR)
作者
Tatsiana Talaka; Tatiana Grigorieva; Piotr Vitiaz; Nikolay Lyakhov; Andrey Letsko; Antonina Barinova;
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作者单位

Powder Metallurgy Institute, 41, Platonov st., 220005 Minsk, Belarus;

Institute of Solid State Chemistry and Mechanochemistry, 18, Kutateladze, 630128 Novosibirsk, Russia;

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会议组织
原文格式 PDF
正文语种 eng
中图分类有色金属冶炼;
关键词
nanocomposite powder; iron aluminide; alumina; mechanically activated self-propagating high-temperature synthesis (MASHS); precursor; mechanocomposite;

机译：纳米复合粉末;铝化铁;氧化铝;机械活化的自蔓延高温合成;前驱体;机械复合;

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2. Corrosion Behavior of Al_2O_3 Reinforced Fe Metal Matrix Nanocomposites Produced by Powder Metallurgy Technique [J] . Pallav Gupta, Devendra Kumar, M. A. Quraishi, Advanced Science, Engineering and Medicine . 2013,第4期

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4. Structure Peculiarities of Nanocomposite Powder Fe40Al/Al_2O_3 Produced by MASHS [C] . Tatsiana Talaka, Tatiana Grigorieva, Piotr Vitiaz, Powder Metallurgy World Congress Exhibition . 2007

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Structure Peculiarities of Nanocomposite Powder Fe40Al/Al_2O_3 Produced by MASHS

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