Investigation of Tensile Strength and Modulus of PVA/CuO/CdS Nanocomposite Films using Mathematical Models
Authors
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Department of Chemical Engineering, MS Ramaiah Institute of Technology, Bangalore 560 054, Karnataka ,IN
Koteswararao Jammula -
Department of Chemical Engineering, MS Ramaiah Institute of Technology, Bangalore 560 054, Karnataka ,INMadhu G M
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Department of Chemical Engineering, Adhiyamaan College of Engineering, Hosur 635109, Tamil Nadu ,INV Venkatesham
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Department of Chemical Engineering, JNTUA College of Engineering, Ananthapuramu 515 002, Andhra Pradesh ,INVenkata Satyanarayana Suggala
DOI:
https://doi.org/10.18311/jmmf/2023/34740Keywords:
Mathematical models, Relative Tensile Strength, Relative Young's Modulus, Copper Oxide, Cadmium SulfideAbstract
Present work has been directed to test the effect of nanometal filler loading/concentration (CuO and CdS) into a PVA matrix to improve the mechanical properties of the PVA for strengthening purposes. The nanometal fillers synthesized by solution combustion and hydrothermal methods were used. The polymer nanocomposite films were cast by solution intercalation technique with varying amounts of 0.5, 1.0, 1.5, and 2.0 %wt. of nanofiller content. Theoretical models can be used to verify the relative Young's modulus and relative tensile strength. The Nicolais-Narkis and Turcsenyi models, which were put to the test, exhibit excellent agreement with the experimental values of relative tensile strength. Compared to experimental values of relatively Young's modulus, the Kerner and Halpin-Tsai models agree well. It is corroborated by the theoretical models that CuO and PVA interact well, increasing the mechanical characteristics of films when filler loading is increased. For nano CdS-PVA composite films, theoretical models, including Piggot-Leidner, Turcsenyi, Nelsen, and Nicolais-Narkis, were investigated. Nicolasis-Narkis and Turcsenyi models are in excellent agreement with experimental values for relative tensile strength. The relative Young's modulus was predicted using the models developed by Kerner, Halpin-Tsai, and Sato-Furukawa. All of the studied models show strong agreement with the results of the experiments.
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