Influence of graphene additives on dynamic strength and failure of alumina under shock loading
Savenkov G.G.1,2,3, Konstantinov A.Yu.4, Kuznetsov A.V.3, Pakhomov M.A.5, Stolyarov V.V. 5
1Saint-Petersburg State Institute of Technology (Technical University), St. Petersburg, Russia
2Ioffe Institute, St. Petersburg, Russia
3JSC "Armalit", Saint-Petersburg, Russia
4The Research Institute for Mechanics of Lobachevsky University, Nizhni Novgorod Russia
5Blagonravov Institute of Machine Science, Russian Academy of Sciences, Moscow, Russia
Email: sav-georgij@yandex.ru, vlstol@mail.ru

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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.
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