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    Mechanical behaviour for aluminum matrix anocomposites reinforced with single and dual nanoparticles (TiO2+ SiO2)
    (American Institute of Physics, 2024) Mohsin, M.K.; Mustafa, A.M.; Ahlatci, H.; Turen, Y.
    This paper is devoted to studying the effect of adding different weight ratios of TiO2 and SiO2 nanoparticles powder on the mechanical properties of Al6061. Composite materials containing different proportions of TiO2:SiO2 (0.1, 0.3, 0.5)wt% were poured by the stirring method. The microstructure and phases are achieved through optical microscopy, SEM, and X-ray diffraction. The results showed that a large degree of homogeneity was obtained in the distribution of the addition of nanoparticles in the microstructure of the base alloys. The mechanical properties tests were carried out by tensile and hardness. The final tensile strength and yield strength were increased slightly until reached a maximum value of 151.12 Mpa and yield strength of 74.72 Mpa and show a decrease in elongation to 29.85. The hardness test results showed that the hybrid composite containing 0.5 wt% of TiO2 and SiO2 nanoparticles had a higher hardness of 87.08 compering with the single and dual reinforcement of other nanocomposites and base Al 6061 alloys. © 2024 Author(s).
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    Wear behaviour for aluminum matrix nanocomposites reinforced with (TiO2+SiO2)
    (American Institute of Physics, 2024) Mohsin, M.K.; Mustafa, A.M.; Ahlatci, H.; Turen, Y.
    This paper is devoted to studying the effect of adding different weight ratios of TiO2 and SiO2 nanoparticle powder on the corrosion properties and wear resistance of Al6061 alloy. Composite materials contain different proportions of TiO2:SiO2 (0.1, 0.3, 0.5) poured through by stirring. The microstructure and phases are achieved through optical microscopy, SEM and X-ray diffraction. The results showed that a significant degree of homogeneity was obtained in the distribution of the armature particles in the microstructure of the base alloys. The measurement of the wear rate was performed by the pin on the disc device of both the base alloy and the hybrid composite under applied loads (5, 10, and 15 N) and a sliding velocity of 2.8?m/sec using different times (5, 10 and 15?min). The Wear results showed a reduction in the corrosion rate of 0.5 wt% for both TiO2 and SiO2 nanoparticles containing composites compared to other composites and the base alloy samples. And it was worth 0.82*10^-8 gm/cm compared to 1.82*10^-8gm/cm in the base alloy. The hardness test results showed that the hybrid composite containing 0.5 wt% of both TiO2 and SiO2 nanoparticles had higher hardness than other composites and base alloys; the amount of hardness in 0.5%wt hybrid composite became 77.35HV compared to 68.88HV in the base alloy. © 2024 Author(s).