Self-Propagating High-Temperature Synthesis of Layered Composite Ti/Hf/Ta/Ni/Ceramics Materials

IF 0.9 4区工程技术 Q4 ENERGY & FUELS Combustion, Explosion, and Shock Waves Pub Date : 2024-04-22 DOI:10.1134/s0010508224010118

O. K. Kamynina, S. G. Vadchenko, I. D. Kovalev, D. V. Prokhorov

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Abstract

This paper describes the compounds of refractory metal foils (Ti, Hf, Ta, and Ni) with ceramic layers formed as a result of combustion of reaction tapes rolled from Ti + 0.65C, Ti + 1.7B, and 5Ti + 3Si powder mixtures. Scanning electron microscopy and X-ray diffraction analysis are applied to study the microstructure, elemental composition, and phase composition of multilayer composites obtained by self-propagating high-temperature synthesis. The effect of synthesis conditions (initial temperature and applied pressure) and the initial structure of the samples on various parameters (combustion wave front propagation velocity, microstructure, phase composition, and strength properties) of the resulting layered materials is revealed. It is shown that compounds of metal foils and reaction tapes rolled from powder mixtures during combustion are ensured due to reaction diffusion, mutual impregnation, and chemical reactions occurring in the reaction tapes and on the surface of metal foils. The strength properties of the resulting materials (up to 275 MPa at 25°C and up to 72 MPa at 1100°C) are determined using a three-point loading scheme. The results of this study can contribute to the development of structural materials operating under extreme conditions.

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自蔓延高温合成层状复合 Ti/Hf/Ta/Ni/Ceramics 材料

摘要本文介绍了由 Ti + 0.65C、Ti + 1.7B 和 5Ti + 3Si 粉末混合物轧制的反应带燃烧形成的难熔金属箔（Ti、Hf、Ta 和 Ni）与陶瓷层的化合物。应用扫描电子显微镜和 X 射线衍射分析研究了自蔓延高温合成获得的多层复合材料的微观结构、元素组成和相组成。研究揭示了合成条件（初始温度和施加压力）和样品的初始结构对所得层状材料的各种参数（燃烧波前传播速度、微观结构、相组成和强度性能）的影响。研究表明，在燃烧过程中，由于反应扩散、相互浸渍以及反应带和金属箔表面发生的化学反应，确保了金属箔和由粉末混合物轧制而成的反应带的复合。采用三点加载方案确定了所生成材料的强度特性（25°C 时最高 275 兆帕，1100°C 时最高 72 兆帕）。这项研究的结果有助于开发在极端条件下工作的结构材料。

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来源期刊

Combustion, Explosion, and Shock Waves 工程技术-材料科学：综合

CiteScore

1.60

自引率

16.70%

发文量

审稿时长

5.7 months

期刊介绍： Combustion, Explosion, and Shock Waves a peer reviewed journal published in collaboration with the Siberian Branch of the Russian Academy of Sciences. The journal presents top-level studies in the physics and chemistry of combustion and detonation processes, structural and chemical transformation of matter in shock and detonation waves, and related phenomena. Each issue contains valuable information on initiation of detonation in condensed and gaseous phases, environmental consequences of combustion and explosion, engine and power unit combustion, production of new materials by shock and detonation waves, explosion welding, explosive compaction of powders, dynamic responses of materials and constructions, and hypervelocity impact.