High-Temperature Molding, Structure, and Phase Composition of Composites Based on TiB/TiAl(Nb, Mo)B

IF 0.3 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Inorganic Materials: Applied Research Pub Date : 2025-09-24 DOI:10.1134/S2075113325701333

P. M. Bazhin, M. S. Antipov, A. P. Chizhikov, A. S. Konstantinov, A. D. Bazhina, P. A. Stolin

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Abstract

Experimental studies were conducted on the high-temperature forming of materials based on TiB/TiAl(Nb, Mo)B under process conditions that combine combustion in the mode of self-propagating high-temperature synthesis (SHS) of the initial powder components and their shear deformation following the passage of the combustion wave—free SHS compression. The objects of study were composites consisting of 100% TiB–(20–40) wt % Ti (TiB layer) and TiAl(Nb, Mo)B alloy (at %: 51.85 Ti–43 Al–4 Nb–1 Mo–0.15 B), as well as two-layer composite materials with the following layer proportions, vol %: 70TiB/30TiAl(Nb, Mo)B, 50TiB/50TiAl(Nb, Mo)B, 30TiB/70TiAl(Nb, Mo)B. The degree of deformation was chosen as the criterion for formability of the composites during shear deformation. It was established that, by varying the composition of each layer in the composite and the technological parameters of free SHS compression, it is possible to regulate the degree of deformation from 0.2 to 0.55. It was shown that the technological parameters of free SHS compression (holding time, pressing pressure, deformation rate) and the initial composition affect the formability and structure of the composites. The structural features and phase composition of the composites obtained were studied. It was demonstrated that a diffusion zone forms between the ceramic and intermetallic layers as a result of chemical interaction, the size of which can be regulated within the range of 30–150 μm.

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TiB/TiAl(Nb, Mo)B复合材料的高温成型、结构和相组成

实验研究了TiB/TiAl(Nb, Mo)B基材料在初始粉末组分自传播高温合成（SHS）燃烧模式下的高温成形工艺条件及其在燃烧无波SHS压缩后的剪切变形。研究对象是由100% TiB - (20-40) wt % Ti （TiB层）和TiAl(Nb, Mo)B合金（含量：51.85 Ti - 43 Al-4 Nb - 1 Mo - 0.15 B）组成的复合材料，以及体积%为：70TiB/30TiAl(Nb, Mo)B、50TiB/50TiAl(Nb, Mo)B、30TiB/70TiAl(Nb, Mo)B的双层复合材料。选择变形程度作为复合材料剪切变形成形性的评判标准。通过改变复合材料中各层的组成和自由SHS压缩的工艺参数，可以将变形度从0.2调节到0.55。结果表明，自由SHS压缩工艺参数（保温时间、压缩压力、变形速率）和初始成分对复合材料的成形性能和组织有影响。研究了复合材料的结构特征和相组成。结果表明，在陶瓷层和金属间层之间形成扩散区，扩散区大小在30 ~ 150 μm范围内。

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来源期刊

Inorganic Materials: Applied Research Engineering-Engineering (all)

CiteScore

0.90

自引率

0.00%

发文量

199

期刊介绍： Inorganic Materials: Applied Research contains translations of research articles devoted to applied aspects of inorganic materials. Best articles are selected from four Russian periodicals: Materialovedenie, Perspektivnye Materialy, Fizika i Khimiya Obrabotki Materialov, and Voprosy Materialovedeniya and translated into English. The journal reports recent achievements in materials science: physical and chemical bases of materials science; effects of synergism in composite materials; computer simulations; creation of new materials (including carbon-based materials and ceramics, semiconductors, superconductors, composite materials, polymers, materials for nuclear engineering, materials for aircraft and space engineering, materials for quantum electronics, materials for electronics and optoelectronics, materials for nuclear and thermonuclear power engineering, radiation-hardened materials, materials for use in medicine, etc.); analytical techniques; structure–property relationships; nanostructures and nanotechnologies; advanced technologies; use of hydrogen in structural materials; and economic and environmental issues. The journal also considers engineering issues of materials processing with plasma, high-gradient crystallization, laser technology, and ultrasonic technology. Currently the journal does not accept direct submissions, but submissions to one of the source journals is possible.