Exploring thermochemical pressing in the manufacture of TiN - W cermet-based composite materials

被引：0
作者：
Belokon, Y. [1 ]
Hrechanyі, O. [2 ]
Vasilchenko, T. [2 ]
Kruglyak, D. [1 ]
机构：
[1] Department of Metallurgical Technologies, Ecology and Technogenic Safety, Zaporizhzhia National University, Zaporizhzhia
[2] Department of Metallurgical Equipment, Zaporizhzhia National University, Zaporizhzhia
来源：
International Journal of Thermofluids | 2025年 / 25卷
关键词：
Cermet; Intermetallic; Thermochemical pressing; Titanium nitride; Tungsten;
D O I：
10.1016/j.ijft.2024.101020
中图分类号：
学科分类号：
摘要：
One of the most promising areas in the field of obtaining new materials with a high level of operational characteristics is the creation of powder refractory alloys based on cermets using high-energy and high-speed pressure processing methods. Such technologies include thermochemical pressing technology. The focus of the investigation was on TiN–W cermet, which is the end result of the reaction. A notable characteristic of the Ti + W system is the occurrence of contact melting of tungsten, a refractory material, at the boundary of phase separation during the formation of the primary structure. Through thermogravimetric studies, it has been observed that the cermet composed of TiN + W remains resistant to oxidation even at elevated temperatures up to 655 °C. After a full heating and cooling cycle, the mass gain was 10 %. The results obtained allow optimizing the technological process conditions to achieve the desired properties of cermets, such as hardness, strength, wear resistance, and thermal stability. © 2024 The Author(s)
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