G. G. Savenkov, A. Yu. Konstantinov, A. V. Kuznetcov, M. A. Pakhomov, V. V. Stolyarov, “Influence of graphene additives on dynamic strength and failure of alumina under shock loading”, Zhurnal Tekhnicheskoi Fiziki, 2022, Volume 92, Issue 6,Pages <nobr>838

Physical science of materials

Influence of graphene additives on dynamic strength and failure of alumina under shock loading

G. G. Savenkov^abc, A. Yu. Konstantinov^d, A. V. Kuznetcov^c, M. A. Pakhomov^e, V. V. Stolyarov^e

^a State Technological Institute of St. Petersburg (Technical University), St. Petersburg, Russia
^b Ioffe Institute, St. Petersburg, Russia
^c Armalit Machine Building Plant, Saint-Petersburg, Russia
^d Research Institute of Mechanics, N. Novgorod State University, 603600 Nizhny Novgorod, Russia
^e A. A. Blagonravov Mechanical Engineering Institute RAS, Moscow, Russia

Abstract: The results of dynamic testing of alumina samples with different graphene content are presented. The tests were carried out using a split Hopkinson rod according to the “Brazilian test” method at an impact speed of 10 m/s. The optimal value of the graphene content was obtained. The strength characteristics of the alumina nanocomposite with graphene reach a maximum at this value.

Keywords: ceramic composite, graphene, split Hopkinson rod, Brazilian test.

Received: 03.03.2022
Revised: 24.03.2022
Accepted: 29.03.2022

DOI: 10.21883/JTF.2022.06.52513.47-22