CONTENTS

Production, Structure, Properties

Prikhna T. O., Kalenyuk O. A., Prysiazhna O. V., Serbeniuk Т. В., Sverdun V. B., Moshchyl V. E., Karpets M. V., Belorusets V. V., Kolodnitskyi V. M., Monastyryov M. K. Structure, dielectric properties and modeling of microwave absorption of composites based on MAX-phase Ti₃AlC₂. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3

Ivanchenko S. M., Liudvichenko O. P., Lyeshchuk O. O., Burchenia A. V., Lysakovskyi V. V., Kovalenko T. V., Nikolenko A. S., Ivakhnenko S. O., Anisin O. M., Klochok V. Yu., Marchenko A. V. Influence of growth cell configuration on the temperature distribution in a six-anvil high-pressure apparatus and the habit of grown diamond single crystals. . . . . . . .  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

16

Gevorkyan E. S., Nerubatskyi V. P., Chyshkala V. O. Influence of aluminum oxide additions on the densification process and microstructure formation of ZrO₂–Y₂O₃ composite ceramics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

24

Mechnik V. A., Ratov B. T., Gevorkyan E. S., Bondarenko N. A., Kolodnitskyi V. M., Starik S. P., Korostyshevskyi D. L., Chishkala V. A., Toshmatov Sh. A., Akhmedyanova G. K. Fractographic analysis of fractures in C_diamond‒(Fe‒Cr‒Cu‒Ni‒Sn) and C_diamond‒(Fe‒Cr‒Cu‒Ni‒Sn)‒ZrO₂‒Al₂O₃ composite materials produced by spark plasma sintering. . . . . . . 

38

Vedel D. V., Konoval V. P., Mazur P. V. Liquid phase interaction between cobalt and high-entropy carbide ceramics (V, Nb, Ta, Mo, W)C and (Ti, V, Nb, Ta, Mo)C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

51

Rieznik D. O., Palahecha D. L., Nakonechnyi S. O., Teslia S. Y., Sheremet V. I., Biriukovych L. O., Rudenkyi S. O., Upatov M. I., Kindrachuk M. V., Bogomol I. I. Dual-phase directionally reinforced high-entropy ceramic composite of the MeC–MeB₂ system. . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

59

Bian Ziliu, Hou Minglan, Zhu Jiang, Huang Yuxiang, Xie Yibing, Qu Qingshuo, Miao Yuting, Wang Liangbiao. Preparation of chromium carbide from waste polyvinyl chloride. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

71

Investigation of Machining Processes

Klymenko S. A., Manokhin A. S., Klymenko S. An., Melniychuk Yu. O., Chumak A. O., Kopieikina M. Yu., Melniychuk B. Yu. Contact characteristics of “hard” turning with PcNB tools: experimental determination and modeling. . . . . . . . . . 

77

Letters to the Editor

Stratiichuk D. A., Devin L. M., Richev S. V., Turkevich V. Z., Romanenk Ya. M., Shevel E. V. The influence of Co-сontaining high-entropy alloy on the strength and elastic рroperties of BH-group cBN-composites. . . . . . . . . . . . . . . .  

93

Solozhenko V. L. Melting of corundum (α-Al₂O₃) under compression to 8 GPa: A decreasing melting slope. . . . . .

97

Index of papers published in the Nadtverdi Materialy Journal in 2026. . . . . . . . . . . . . . . . . . . 

103