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High-hardness ceramics based on boron carbide fullerite derivatives |
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| Authors: | D A Ovsyannikov M Yu Popov S A Perfilov V M Prokhorov B A Kulnitskiy I A Perezhogin V D Blank |
| Institution: | 1.Technological Institute for Superhard and Novel Carbon Materials,Troitsk, Moscow oblast,Russia;2.Moscow Institute of Physics and Technology (State University),Dolgoprudnyi, Moscow oblast,Russia;3.National University of Science and Technology “MISiS,”,Moscow,Russia;4.Moscow State University,Moscow,Russia |
| Abstract: | A new type of ceramics based on the phases of fullerite derivatives and boron carbide B4C is obtained. The material is synthesized at a temperature of 1500 K and a relatively low pressure of 4 GPa; it has a high hardness of 45 GPa and fracture toughness of 15 MPa m1/2. |
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