IMPACT OF SYNTHESIZED SiC–Al₂O₃ NANOCOMPOSITE ON THE STRUCTURE AND TRIBOMECHANICAL PROPERTIES OF AK12M2MgN PISTON ALLOY

KOMAROV Aleksandr I., Ph. D. in Eng., Head of the Laboratory of Modification Techniques of Structural Materials, Joint Institute of Mechanical Engineering of the National Academy of Sciences of Belarus, Minsk, 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., Ph. D. in Phys.-Math., Leading Researcher, Joint Institute of Mechanical Engineering of the National Academy of Sciences of Belarus, Minsk, Republic of Belarus

SHIPKO Aleksey A., D. Sc. in Eng., Prof., Joint Institute of Mechanical Engineering of the National Academy of Sciences of Belarus, Minsk, Republic of Belarus

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

Scientific and methodological principles of synthesis of heterophase filler with nanoparticles of SiC, α-Al₂O₃, Si, Fe are developed on the basis of oxides micropowder and carbide-forming elements. The processed filler, introduced into aluminum melts, provides reinforcement of the aluminum-matrix composites. It is found that the effect of this process is refinement of alloy matrix structure 2–3 times, which leads to increase in the microhardness of the alloy structural phases. It is shown that introduction of 3 wt.% α-phase increases microhardness by 100 MPa and 100–105 MPa at the eutectic point. The samples of the composite material on the base of silumin AK12M2MgN, containing 1–2 wt.% of the composite modifier, have the increased wear resistance 2–4 times higher than the initial alloy samples.

nanoparticles, silicon carbide, corundum, structure, aluminum alloy, microhardness, friction coefficient, wear resistance

• Tolochko N.K., Andrushevich A.A. Metody poluchenija melkozernistoj struktury otlivok pri kristallizacii [Methods for producing a fine-grained structure of castings during crystallization]. Lite i metallurgija [Casting and metallurgy], 2012, no. № 2(65), pp. 27–31.
• Rafalskiy I.V. Poluchenie litejnyh kompozicionnyh materialov iz aljuminievyh splavov v geterofaznom sostojanii s dispersnymi napolniteljami [Processing of casting composite materials of aluminum alloys in the heterophase state with dispersed fillers]. Lite i metallurgija [Casting and metallurgy], 2011, no. 3(61), pp. 26–31.
• Vityaz P.A. [et al.] Vlijanie fazovogo sostava nanostrukturirovannogo tugoplavkogo modifikatora na strukturu i tribotehnicheskie svojstva splava AK12M2MgN [Influence of phase composition of nanostructured refractory modifier on the structure and tribological properties of the alloy AK12M2MgN]. Trenie i iznos [Friction and Wear], 2013, vol. 34, no. 5, pp. 435–445.
• Boom E.A. Priroda modificirovanija splavov tipa silumin [Nature of modification of silumin-type alloys]. Moscow, Metallurgija, 1972. 112 p.
• Verresh Kumar G.B. [et al.] Studies on Al6061-SiC and Al7075-Al₂O₃ metal matrix composites. Journal of Minerals & Materials Characterization & Engineering, 2010, vol. 9, no. 1, pp. 43–55.
• Meena K.L. [et al.] An Analysis of Mechanical Properties of the Developed Al/SiC-MMC’s. American Journal of Mechanical Engineering, 2013, vol. 1, no. 1, pp. 14–19.
• Singla M. [et al.] Development of aluminium based silicon carbide particulate metal matrix composite. Journal of Minerals Materials Characterization Engineering, 2009, vol. 8, no. 6, pp. 455–467.
• Chernyshova T.A. [et al.] Nanostrukturirovanie dispersnoarmirovannyh aljumomatrichnyh kompozicionnyh materialov [Nanostructuring of dispersion-reinforced aluminum-matrix composite materials]. Fizika i himija obrabotki materialov [Physics and chemistry of materials processing], 2012, no. 4, pp. 53–61.
• Borodianskiy K., Zinigrad M. Mechanical Properties and Microstructure Characterization of Al-Si Cast Alloys Formation Using Carbide Nanoparticles. Journal of Materials Sciences and Applications, 2015, vol. 1, no. 3, pp. 85–90.
• Bharath V., Mahadev N., Auradi V. Preparation of 6061Al-Al₂O₃ Metal Matrix Composite by Stir Casting and Evaluation of Mechanical Properties. International Journal of Metallurgical Materials Science and Engineering, 2012, vol. 2, no. 3, pp. 22–31.
• Straffelini G., Bonollo F., Tizini A. Influence of matrix hardness on sliding behavior of 20 vol.% Al₂O₃-particulate reinforced 6061Al metal matrix composite. Wear, 1997, no. 211, pp. 192–197.
• Deshmanya I.B., Purohit Gk. Development of Mathematical Model to Predict Micro-Hardness of Al7075/Al₂O₃ Composites Produced by Stir-Casting. Journal of Engineering Science and Technology Review, 2012, vol. 5, no. 1, pp. 44–50.
• Chennakesava Reddy A., Zitoun E. Matrix Al-alloys for silicon carbide particle reinforced metal composites. Indian Journal of Science and Technology, 2010, vol. 3, no. 12, pp. 1184–1187.
• Wlodarczyk-Flidier A. [et al.] Manufacturing of aluminium matrix composite materials reinforced by Al₂O₃ particles. Journal of Achievementes in Materials and Manufacturing Engineering, 2008, vol. 27, pp. 99–102.
• Fu P.R.K. [et al.] Wear Behavior of Al–SiC and Al–Al₂O₃ Matrix Composites Sliding Against Automobile Friction Material. Proc. 2013 based on AIP Guide, vol. 2008, pp. 249–253.
• Andrievskiy R.A. Nanorazmernyj karbid kremnija. Sintez, struktura, svojstva [Nano-sized silicon carbide. Synthesis, structure, properties]. Uspehi himii [Russian Chemical Reviews], 2009, vol. 78, pp. 889–900.
• Sivkov A.A. [et al.] Prjamoj plazmodinamicheskij sintez ultradispersnogo karbida kremnija [Direct plasmodynamic synthesis of ultrafine silicon carbide]. Pisma v ZhTF [Technical Physics Letters], 2013, vol. 39, no. 39, pp. 15–20.
• Borodulya V.A. [et al.] Sintez karbida kremnija v jelektrotermicheskom reaktore s kipjashhim sloem uglerodnyh chastic [Synthesis of silicon carbide in the electrothermal reactor with carbon particles fluid bed]. Gorenie i plazmohimija [Combustion and plasma chemistry], 2015, vol. 13, no. 2, pp. 92–102.
• Кalashnikov I.E. Razvitie metodov armirovanija i modificirovanija struktury aljumomatrichnyh kompozicionnyh materialov. Diss. dokt. tehn. nauk [Development of methods of reinforcement and modification of the structure of aluminummatrix composites. D.Sc. in eng. diss.]. Moscow, 2011. 50 p.
• Gusev A.I. Nanomaterialy, nanostruktury, nanotehnologii [Nanomaterials, nanostructures, nanotechnology]. Moscow, FIZMATLIT, 2007. 416 p.
• Komarov A.I. Sintez nanostrukturirovannyh tugoplavkih napolnitelej, ih vlijanie na strukturu i svojstva siluminov [Synthesis of nanostructured high-melting fillers, their impact on the structure and properties of silumin]. Perspektivnye materialy i tehnologii: monografija [Advanced Materials and Technologies: monograph], Vitebsk, VGTU, 2015, vol. 2, pp. 202–223.
• Komarov A.I., Komarova V.I., Orda D.V. Sintez karbidokorundovogo napolnitelja i ego vozdejstvie na strukturu i svojstva porshnevogo splava AK12M2MgN [Synthesis of carbide corundum filler and its impact on the structure and properties of AK12M2MgN piston alloy]. Mehanika mashin, mehanizmov i materialov [Mechanics of machines, mechanisms and materials], 2016, no. 1(34), pp. 81–86.
• Komarov A.I., Komarova V.I., Senyut V.T. Sposob poluchenija litogo kompozicionnogo materiala na osnove aljuminievogo splava [A method for producing a cast composite material based on aluminium alloy]. Patent RB, no. 17840, 2013.
• Komarov A.I., Komarova V.I., Orda D.V. Kompozicionnyj poroshok i sposob ego poluchenija [The composite powder and a preparation method thereof]. Patent RB, no. a 20160246, 2016.
• Chernyshova T.A. [et al.] O мodificirovanii lityh aljumomatrichnyh kompozicionnyh materialov tugoplavkimi nanorazmernymi chasticami [On modification of cast aluminummatrix composite materials with refractory nanoparticles]. Metally [Metals], 2009, no. 1, pp. 79–87.
• Chernyshova T.A. [et al.] Nanostrukturirovanie dispersnoarmirovannyh aljumomatrichnyh kompozicionnyh materialov [Nanostructuring of dispersion-reinforced aluminum-matrix composite materials]. Fizika i himija obrabotki materialov [Physics and chemistry of materials processing], 2012, no. 4, pp. 53–61.