钽对HfB2-SiC陶瓷高温变形行为的影响

IF 0.6 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2025-06-23 DOI:10.3103/S1061386225700086

Yu. S. Pogozhev, A. Yu. Potanin, E. I. Patsera, E. A. Levashov, K. V. Petrovskaya, V. P. Vagin, E. A. Bogachev, A. N. Timofeev

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引用次数: 0

摘要

研究了shs制备的粉末热压制备的HfB2-SiC和（Hf0.8Ta0.2） B2-SiC陶瓷在1600和1800℃下的热力学行为。陶瓷的高温强度达到582-606 MPa。结果表明，（Hf,Ta）B2固溶体陶瓷的塑性比HfB2固溶体陶瓷高2倍，变形程度ε = 0.027。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Effect of Tantalum on Deformation Behavior of HfB2–SiC Ceramics at Elevated Temperatures

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Effect of Tantalum on Deformation Behavior of HfB2–SiC Ceramics at Elevated Temperatures

The thermomechanical behavior of HfB₂–SiC and (Hf_0.8Ta_0.2)B₂–SiC ceramics hot-pressed from SHS-prepared powders was studied under compression tests at 1600 and 1800°C. The high-temperature strength for ceramics was found to reach 582–606 MPa. It was showed that ceramics based on (Hf,Ta)B₂ solid solution have higher plasticity as compared to samples based on HfB₂, their deformation degree, ε = 0.027, is 2 times higher.

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来源期刊

International Journal of Self-Propagating High-Temperature Synthesis MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

1.00

自引率

33.30%

发文量

期刊介绍： International Journal of Self-Propagating High-Temperature Synthesis is an international journal covering a wide range of topics concerned with self-propagating high-temperature synthesis (SHS), the process for the production of advanced materials based on solid-state combustion utilizing internally generated chemical energy. Subjects range from the fundamentals of SHS processes, chemistry and technology of SHS products and advanced materials to problems concerned with related fields, such as the kinetics and thermodynamics of high-temperature chemical reactions, combustion theory, macroscopic kinetics of nonisothermic processes, etc. The journal is intended to provide a wide-ranging exchange of research results and a better understanding of developmental and innovative trends in SHS science and applications.