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Mechanical properties of silicified graphite at high deformation velocity
Kuzmin A. M.1, Konstantinov A. Yu.
2, Savenkov G. G.
3
1JSC "Central Design Bureau of Machine Building", St. Petersburg, Russia
2Lobachevsky University of Nizhny Novgorod, Nizhny Novgorod, Russia
3Saint-Petersburg State Institute of Technology (Technical University), St. Petersburg, Russia
2Lobachevsky University of Nizhny Novgorod, Nizhny Novgorod, Russia
3Saint-Petersburg State Institute of Technology (Technical University), St. Petersburg, Russia
Email: sav-georgij@yandex.ru
The paper presents the results of experimental studies on a split Hopkinson rod to determine the mechanical properties of SG-P 0.5P grade silicified graphite used in friction units under shock loading. It is established that dynamic indicators of strength and fracture are more than two to four times higher than similar characteristics obtained under quasi-static loading. Keywords:split Hopkinson rod, silicified graphite, Brazilian test.
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