二次碳化物添加对(Ti1-xTMx) c基20Ni金属陶瓷(TM = V, Mo, W)力学性能的影响:从头计算与实验结果相结合的研究

IF 2.9 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Technology Pub Date : 2023-08-28 DOI:10.1080/10667857.2023.2251293

Myungjae Kim, Hyo-Gyung Kim, Jin-Kyu Lee, Jihoo Kim, Sooah Kyung, J. Kwak, Jiwoong Kim

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Effects of secondary carbide addition on the mechanical properties of (Ti1-xTMx)C-based 20Ni cermets (TM = V, Mo, and W): a study combining ab initio calculation and experimental results

ABSTRACT In recent years, significant efforts have been devoted towards the development of high-performance cermets with superior hardness and fracture toughness for engineering applications. In this study, a (Ti1-xTMx)C solid solution of a Ni cermet was prepared based on a combination of ab initio calculation and experimental results. The structural stability, mechanical properties, and microstructure of the cermet were investigated. A screening process was conducted using ab initio calculations to determine the optimal composition of (Ti1-xTMx)C (TM = V, Mo, and W) (x = 0–0.3125). The enhancement of the mechanical properties was analysed by calculating the electronic properties of the (Ti1-xTMx)C solid solutions. Additionally, we evaluated the powder morphology, microstructure, and mechanical properties of (Ti1-xTMx)C–20Ni by using experimental methods. The (Ti0.7W0.3)C–20Ni cermet exhibited enhanced hardness and fracture toughness in relation to conventional TiC–Ni cermets. Computational and experimental results indicated that the addition of secondary carbides improved the overall material properties. Graphical abstract

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来源期刊

Materials Technology 工程技术-材料科学：综合

CiteScore

6.00

自引率

9.70%

发文量

105

审稿时长

8.7 months

期刊介绍： Materials Technology: Advanced Performance Materials provides an international medium for the communication of progress in the field of functional materials (advanced materials in which composition, structure and surface are functionalised to confer specific, applications-oriented properties). The focus is on materials for biomedical, electronic, photonic and energy applications. Contributions should address the physical, chemical, or engineering sciences that underpin the design and application of these materials. The scientific and engineering aspects may include processing and structural characterisation from the micro- to nanoscale to achieve specific functionality.