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KOMAROV Aleksandr I., Сand. Techn. Sc., Head of the Sector of Metallurgy and Magnetic Structurescopy of Steel and Alloys, Joint Institute of Mechanical Engineering of the National Academy of Sciences, Minsk, The Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

KOMAROVA Valentina I., Сand. Phys.-Math. Sc., Associate Professor, Leading Researcher of the Laboratory of Metallurgy in Mechanical Engineering, Joint Institute of Mechanical Engineering of the National Academy of Sciences, Minsk, The Republic of Belarus

ORDA Dmitriy V., Junior Researcher of the Laboratory of Metallurgy in Engineering, Joint Institute of Mechanical Engineering of the National Academy of Sciences, Minsk, The Republic of Belarus

Year 2016 Issue 1 Pages 81-86
Type of article RAR Index UDK 669.715 Index BBK  

The synthesis of carbide-corundum filler based on titanium oxide by the method of chemical vapor deposition in a reducing atmosphere of ammonia and hydrogen has been investigated. The data analysis shows that the synthesized filler includes nanoscale high-melting compounds — carbide titanium and corundum. It is shown that the introduction of 1 wt.% of this nanofiller is accompanied by the dispersion of the structural components of the alloy not less than 2 times, it provides the microhardness increase of the α-phase by 1,5 times and eutectic by 2 times, the coefficient of friction decrease by 4–8 times, multiple increase of wear resistance of the composites obtained, due to the lack of wear of samples of castings for the entire test cycle of the obtained composites, whereas wear rate of the sample from GK-AlSi12(Cu) alloy at a load of 20 MPa was ~36 mg/m.


nanosized refractory filler, ceramic nanoparticles, structure, aluminum alloy, micro-hardness, friction coefficient, wear resistance

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