03.12.2024 у. at 14:30 o'clock Shuhurov Shakhobiddin Tulkin ugli was defended on the topic: «Development of technology for strengthening high-speed steel gear cutters», in the specialty: 05.02.01 - "Materials science in mechanical engineering. Foundry production. Heat treatment and pressure treatment of metals" (technical sciences) for the degree of Doctor of Philosophy in technical sciences (РhD).