HIGH-TEMPERATURE GRAPHITIZATION OF AMORPHOUS CARBON MATERIALS PRODUCED FROM LOCAL RAW MATERIALS
The graphitization of amorphous carbon is an attractive process for enhancing the properties of carbon materials used in electrical and metallurgical applications. This study investigates the graphitization kinetics of tube-shaped samples fabricated from a mixture of coke and molasses. Samples were...

Actual problems in modern technical sciences / 2025 / October

Ubaydullaev Mamasidik Maxammatsolievich

Volume 9 | Issue 10

3 October 2025, 21:50

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INVESTIGATING THE ABRASIVE WEAR RESISTANCE OF LOWALLOYED STEELS
This article investigates the performance and wear resistance properties of 40XL and 65GL grade steels under abrasive wear conditions. The study analyzed the microstructure of surface layers after various mechanical treatment methods, the degree of hardness, and the rate of surface wear in an...

Actual problems in modern technical sciences / 2025 / October

Egamberdiev Bakhodir Rafiqjon Ugli, Norkhudjaev Fayzulla Ramozonovich, Ubaydullaev Mamasidik Maxammatsolievich

Volume 9 | Issue 10

3 October 2025, 21:50

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SYNTHESIS OF CARBON-GRAPHITE COMPOSITE MATERIALS AND INVESTIGATION OF THEIR PROPERTIES
This article explores the synthesis of carbon-graphite composite materials, emphasizing their potential applications in various industrial sectors. The study outlines the preparation methods, including the use of carbon precursors and binder materials, followed by a detailed examination of the...

Actual problems in modern technical sciences / 2025 / April

Ubaydullaev Mamasidik Maxammatsolievich, Panteleyenko Fedor Ivanovich, Adkhamov Bobir Valisher Ugli, Isroilov Nizomjon Nozimjon Ugli

Volume 9 | Issue 4

3 April 2025, 21:50

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DEVELOPMENT OF CLEANING TECHNOLOGY OF TUNGSTEN CARBIDE POWDER OBTAINED BY ELECTROLYSIS IN ARGON ENVIRONMENT
The article presents the results of studies on the purification of sludge obtained by converting waste tungsten carbide and cobalt hard alloys into a cobalt solution with electrolysis to the state of pure tungsten carbide powders. Conducted scientific and practical studies show that the original...

Actual problems in modern technical sciences / 2024 / May

Sharipov Kongratbay Avezimbetovich, Parmonov Sarvar Toshpulatovich, Ubaydullaev Mamasidik Maxammatsolievich, Pattayeva Zilola Sanjar Kizi

Volume 8 | Issue 5

3 May 2024, 21:50

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TECHNOLOGY OF PRODUCING TUNGSTEN CARBIDE NANOPOWDER BY SELF-PROPAGATING HIGH-TEMPERATURE SYNTHESIS (SHS) METHOD
The article presents the results of research on the production of nanopowders by synthesizing tungsten carbide powders obtained from waste tungsten carbide-cobalt hard alloy in countercurrent filtration mode. The conducted scientific and practical studies show that with an increase in the amount of...

Actual problems in modern technical sciences / 2024 / April

Parmonov Sarvar Toshpulatovich, Ubaydullaev Mamasidik Maxammatsolievich, Mirzavaliyev Dostonbek Bakhodir Ugli, Pattayeva Zilola Sanjar qizi

Volume 8 | Issue 4

3 April 2024, 21:50

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