Technical Physics
To authors
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
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
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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