Article 17414

Title of the article



Vereshchaka Anatoliy Stepanovich, Doctor of engineering sciences, professor, Institute of engineering and design informatics of the Russian Academy of Sciences (building 1a, 18 Vadkovsky lane, Moscow, Russia),
Sotova Ekaterina Sergeevna, Candidate of engineering sciences, senior lecturer, sub-department of mechanical engineering technologies, Moscow State Technological University “STANKIN” (1 Vadkovsky lane, Moscow, Russia),
Vereshchaka Aleksey Anatol'evich, Candidate of engineering sciences, researcher, Institute of engineering and design informatics of the Russian Academy of Sciences (building 1a, 18 Vadkovsky lane, Moscow, Russia),

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Background. The article investigates the influence of properties of the mixed cutting ceramics with nanodispersed coating on workability of hardened tool steel of grade. Specific features of enhanced hardness materials working by edge cutting machining using an edge tool with mixed ceramics at the present time is an object of multiple researches, for example, such working allows both to improve surface quality and to significantly decrease costs, excluding the finishing stage of grinding.
Materials and methods. In accordance with the developed regulations, the authors formulated the methodology and architecture of a three-component nanodispered multilayered composite coating for a ceramic intrument.
Results. The authors examined the influence of cutting rate on wear resistance of the cutting instrument with mixed ceramics having different surfaces. The researchers also considered the methodology of choosing the optimal architecture and compond of coatings attached to the instrument with mixed ceramics. The authors built mathematical models determining thedependence of durability of the mixed ceramics
instrument with coating on cutting rate.
Conclusions. The article shows that the cutting instrument equipped with mixed cutting ceramics with the developed nanodispersed multilayered composite coating – Ti-TiN-(TiCrAl)N – provides improved durability together with increasing working productivity, wearing intensity lowering, decreasing of micropittings and cutting edge cleavages.

Key words

mixed ceramics, coating, instrument’s durability, rear surface wear.

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Дата создания: 03.03.2015 10:03
Дата обновления: 03.03.2015 15:43