激光直接沉积Al-TiB2复合粉末制备材料的结构和相组成

IF 0.4 4区物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY

Russian Physics Journal Pub Date : 2025-05-14 DOI:10.1007/s11182-025-03446-8

A. E. Matveev, V. V. Promakhov, N. A. Schulz, V. R. Bakhmat, T. E. Turanov, O. G. Klimova-Korsmik

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引用次数: 0

摘要

研究了自传播高温合成（SHS）获得的Al-TiB2复合粉末直接激光沉积制备材料的结构和相组成。制备的样品继承了shs制备粉末的结构，由铝基体和TiB2陶瓷颗粒组成。在5.1 ~ 7.5 g/min的粉末消耗范围内，导致了Al和TiB2相的相干散射区域的大小和材料结构中陶瓷颗粒的平均尺寸的变化。结果表明，当粉末用量为5 g/min时，可以获得高密度的微观结构和最少的孤立孔隙。

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Structure and phase composition of materials fabricated by direct laser deposition using Al-TiB2 composite powder

The paper studies the structure and phase composition of materials fabricated by direct laser deposition using Al-TiB₂ composite powder obtained by self-propagating high-temperature synthesis (SHS). The fabricated specimens inherit the structure of the SHS-produced powder and consist of the aluminum matrix and TiB₂ ceramic particles. The powder consumption ranging from 5.1 to 7.5 g/min, leads to a change in the size of the coherent scattering region of Al and TiB₂ phases, and the average size of ceramic particles in the material structure. It is shown that consuming 5 g/min of the powder, the high dense microstructure can be obtained with the lowest number of isolated pores.

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来源期刊

Russian Physics Journal PHYSICS, MULTIDISCIPLINARY-

CiteScore

1.00

自引率

50.00%

发文量

208

审稿时长

3-6 weeks

期刊介绍： Russian Physics Journal covers the broad spectrum of specialized research in applied physics, with emphasis on work with practical applications in solid-state physics, optics, and magnetism. Particularly interesting results are reported in connection with: electroluminescence and crystal phospors; semiconductors; phase transformations in solids; superconductivity; properties of thin films; and magnetomechanical phenomena.