Microstructure and properties of self-propagating high-temperature synthesized (Ti, W)C carbides

IF 4.2 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

International Journal of Refractory Metals & Hard Materials Pub Date : 2024-12-03 DOI:10.1016/j.ijrmhm.2024.106994

Chengshang Zhou , Yuyang Gao , Gang Chen , Xiaotian Tang , Yong Liu

引用次数: 0

Abstract

Refractory metal carbides play a critical role in numerous applications due to their exceptional hardness, excellent wear resistance and high-temperature stability. This study successfully synthesizes (Ti, W)C powders by using the self-propagating high-temperature synthesis (SHS) method. The results indicate that the phase structure, morphology, microstructure of (Ti, W)C carbides differ significantly from those of WC carbide synthesized using the similar technique. The (Ti, W)C carbides exhibit angular grain morphology with refined grain sizes due to the addition of Ti. Furthermore, the influence of the Ti/W ratio on the nanohardness of (Ti, W)C was examined, with the (Ti_0.6, W_0.4)C sample achieving the highest hardness of 35.7 GPa ± 2.8 GPa.

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来源期刊

$International Journal of Refractory Metals & Hard Materials$

International Journal of Refractory Metals & Hard Materials 工程技术-材料科学：综合

CiteScore

7.00

自引率

13.90%

发文量

236

审稿时长

35 days

期刊介绍： The International Journal of Refractory Metals and Hard Materials (IJRMHM) publishes original research articles concerned with all aspects of refractory metals and hard materials. Refractory metals are defined as metals with melting points higher than 1800 °C. These are tungsten, molybdenum, chromium, tantalum, niobium, hafnium, and rhenium, as well as many compounds and alloys based thereupon. Hard materials that are included in the scope of this journal are defined as materials with hardness values higher than 1000 kg/mm2, primarily intended for applications as manufacturing tools or wear resistant components in mechanical systems. Thus they encompass carbides, nitrides and borides of metals, and related compounds. A special focus of this journal is put on the family of hardmetals, which is also known as cemented tungsten carbide, and cermets which are based on titanium carbide and carbonitrides with or without a metal binder. Ceramics and superhard materials including diamond and cubic boron nitride may also be accepted provided the subject material is presented as hard materials as defined above.