TY - JOUR
T1 - Nanoindentation studies and characterization of hybrid nanocomposites based on solvothermal process
AU - Ayeleru, Olusola Olaitan
AU - Dlova, Sisanda
AU - Akinribide, Ojo Jeremiah
AU - Olorundare, Oluwasayo F.
AU - Akbarzadeh, Rokhsareh
AU - Kempaiah, Devaraju Murukanahally
AU - Hall, Colin
AU - Ntuli, Freeman
AU - Kupolati, Williams Kehinde
AU - Olubambi, Peter Apata
N1 - Funding Information:
This work was supported by the National Research Foundation . The first author would like to specially thank Mr. Olumide Franklin Afinjuomo, a Doctoral candidate at the School of Pharmacy and Medical Sciences , University of South Australia for his supports and valuable inputs. Also, the first author would like to thank Mr. Moses Okoro Avwerosuoghene , a Doctoral candidate at the Centre for Nanoengineering and Tribocorrosion (CNT), University of Johannesburg , Johannesburg, South Africa for his valuable inputs and supports. Appendix A
Publisher Copyright:
© 2019 Elsevier B.V.
Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.
PY - 2020/3
Y1 - 2020/3
N2 - Recycling of waste polymers by the combination of polymer wastes with metallic precursors is a thread which has not been given wide attention by researchers. In this study, we reported on the evaluation of mechanical properties of hybrid nanocomposites via nanoindentation technique. Hybrid organic/inorganic nanocomposites consisted of recycled expanded polystyrene (rEPS) (organic polymer); Fe(NO3)3·9H2O and Zn(NO3)2·6H2O (metallic precursors) were developed through solvothermal method. The hybridized nanocomposites obtained were characterized by different techniques, comprising X-ray diffraction (XRD), Fourier transform-infrared (FTIR), scanning electron microscopy (SEM), transmission electron microscopy (TEM) with particle size distribution (PSD) and Selected area (electron) diffraction (SAED) pattern, thermogravimetric (TGA) analysis and nanoindentation technique. The results obtained showed the hybrid Fe2O3 NCs under the 20 mN indentation load were having the best indentation depth of 0.5 nm, nanohardness of 1.20 GPa, reduced modulus of 8.20 GPa, elastic strain recovery of 0.18 GPa and anti-wear resistance of 0.025 GPa. The applicability of the hybrid NCs was demonstrated via the enhancement of their mechanical properties.
AB - Recycling of waste polymers by the combination of polymer wastes with metallic precursors is a thread which has not been given wide attention by researchers. In this study, we reported on the evaluation of mechanical properties of hybrid nanocomposites via nanoindentation technique. Hybrid organic/inorganic nanocomposites consisted of recycled expanded polystyrene (rEPS) (organic polymer); Fe(NO3)3·9H2O and Zn(NO3)2·6H2O (metallic precursors) were developed through solvothermal method. The hybridized nanocomposites obtained were characterized by different techniques, comprising X-ray diffraction (XRD), Fourier transform-infrared (FTIR), scanning electron microscopy (SEM), transmission electron microscopy (TEM) with particle size distribution (PSD) and Selected area (electron) diffraction (SAED) pattern, thermogravimetric (TGA) analysis and nanoindentation technique. The results obtained showed the hybrid Fe2O3 NCs under the 20 mN indentation load were having the best indentation depth of 0.5 nm, nanohardness of 1.20 GPa, reduced modulus of 8.20 GPa, elastic strain recovery of 0.18 GPa and anti-wear resistance of 0.025 GPa. The applicability of the hybrid NCs was demonstrated via the enhancement of their mechanical properties.
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U2 - 10.1016/j.inoche.2019.107704
DO - 10.1016/j.inoche.2019.107704
M3 - Article
AN - SCOPUS:85077649729
SN - 1387-7003
VL - 113
JO - Inorganic Chemistry Communications
JF - Inorganic Chemistry Communications
M1 - 107704
ER -