Diffusion Paths for Interstitial Impurities in Different Polymorphic Modifications of Niobium Silicide Nb5Si3

Kuzmina N. A.; Eremin N. N.; Marchenko E. I; Svetlov I. L.; Muromtsev N. A.; Neuman A. V; Yakushev D. A.

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Diffusion Paths for Interstitial Impurities in Different Polymorphic Modifications of Niobium Silicide Nb5Si3

机译：硅化铌的不同多态性修饰中的间质杂质的扩散路径NB5SI3

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Structural models of the alpha, beta, and gamma modifications of Nb5Si3 silicides, which are used as a reinforcing phase in composites obtained in situ based on the Nb-Si system, have been constructed by computer simulation methods. A geometric analysis of unit cells is performed using the H-poisk program to estimate the voids existing in the structures. The results of measuring the number of voids and their sizes are reported. A conclusion about possible diffusion paths of interstitial boron, carbon, nitrogen and oxygen atoms is drawn based on the calculation results, and the solubility of these impurities in the structure of each Nb5Si3 modification is estimated.

机译：通过计算机仿真方法构建了基于NB-Si系统的基于NB-Si系统的复合材料中使用的NB5SI3硅化物的结构模型，已经通过计算机模拟方法构建。使用H-Poisk程序执行单位小区的几何分析，以估计结构中存在的空隙。报道了测量空隙数量及其尺寸的结果。基于计算结果绘制了间质硼，碳，氮和氧原子的可能扩散路径的结论，估计这些杂质在每个NB5SI3改性的结构中的溶解度。

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《Crystallography reports》 |2018年第3期|共8页
作者
Kuzmina N. A.; Eremin N. N.; Marchenko E. I; Svetlov I. L.; Muromtsev N. A.; Neuman A. V; Yakushev D. A.;
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All Russia Sci Res Inst Aviat Mat Moscow 105005 Russia;

Moscow MV Lomonosov State Univ Moscow Russia;

Moscow MV Lomonosov State Univ Moscow Russia;

All Russia Sci Res Inst Aviat Mat Moscow 105005 Russia;

Moscow MV Lomonosov State Univ Moscow Russia;

All Russia Sci Res Inst Aviat Mat Moscow 105005 Russia;

Moscow MV Lomonosov State Univ Moscow Russia;

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正文语种 eng
中图分类晶体学;
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1. Diffusion Paths for Interstitial Impurities in Different Polymorphic Modifications of Niobium Silicide Nb5Si3 [J] . Kuzmina N. A., Eremin N. N., Marchenko E. I, Crystallography reports . 2018,第3期

机译：硅化铌的不同多态性修饰中的间质杂质的扩散路径NB5SI3
2. Interstitial diffusion under conditions of trapping of interstitial impurity atoms [J] . O.I. Velichko, Yu.P. Shaman Materials science in semiconductor processing . 2010,第1期

机译：间隙杂质原子的俘获条件下的间隙扩散
3. Macroscopic description of the diffusion of interstitial impurity atoms considering the influence of elastic stress on the drift of interstitial species [J] . Velichko OI Philosophical magazine: structure and properties of condensed matter . 2008,第10期

机译：考虑弹性应力对间隙物种漂移的影响，间隙杂质原子扩散的宏观描述
4. Influence of interstitials content on the diffusion of Niobium in alloy 718 [C] . Benoit Ter-Ovanessian, Cedric Berrest, Julien Deleume, International Conference on Diffusion in Materials . 2009

机译：间隙内容对合金718铌扩散的影响
5. Mechanically Activated Combustion Synthesis of Niobium Silicide Based Composites [D] . ?Trevi?o, Reina 2020

机译：基于硅化铌的复合材料的机械活化燃烧合成
6. Type of Primary Nb5Si3 and Precipitation of Nbss in αNb5Si3 in a Nb-8.3Ti-21.1Si-5.4Mo-4W-0.7Hf (at.) Near Eutectic Nb-Silicide-Based Alloy [O] . Conor McCaughey, Panos Tsakiropoulos 2018

机译：Nb-8.3Ti-21.1Si-5.4Mo-4W-0.7Hf（at。％）在共晶Nb硅化物基合金中的原始Nb5Si3类型和Nbss在αNb5Si3中的析出
7. Type of Primary Nb5Si3 and Precipitation of Nbss in αNb5Si3 in a Nb-8.3Ti-21.1Si-5.4Mo-4W-0.7Hf (at.) Near Eutectic Nb-Silicide-Based Alloy [O] . Conor McCaughey, Panos Tsakiropoulos 2018

机译：在NB-8.3TI-21.1Si-5.4MO-4W-0.7HF（AT.％）的αNB5SI3中αNB5SI3中NBSS的初级NB5SI3和NBSS的沉淀。靠近共晶Nb-硅化物基合金

Diffusion Paths for Interstitial Impurities in Different Polymorphic Modifications of Niobium Silicide Nb5Si3

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