SYNTHESIS AND MECHANICAL PROPERTIES INVESTIGATION OF NANO TIO2/GLASS/EPOXY HYBRID NANOCOMPOSITE

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SALEHI HAMID REZA; SALEHI MANOUCHEHR

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Journal: Iranian Journal of Polymer Science and Technology Year:2015 | Volume:28 | Issue:4 Page(s): 263-276

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Title

SYNTHESIS AND MECHANICAL PROPERTIES INVESTIGATION OF NANO TIO2/GLASS/EPOXY HYBRID NANOCOMPOSITE

Author(s)

SALEHI HAMID REZA | SALEHI MANOUCHEHR | Issue Writer Certificate

Keywords

HYBRID NANOCOMPOSITEQ2

NANOPOLYMERQ2

GLASS/EPOXY COMPOSITEQ2

FIBER AND MATRIX INTERFACEQ2

Abstract

Mechanical properties of epoxy and glass/epoxy filled with 0.25, 0.5 and 1 vol% of TiO2 nanoparticles have been studied using tensile and threepoint bending tests. For the TiO2/epoxy nanocomposites, the results showed that the strength and stiffness were improved, though the strain at ultimate strength point and breaking strain decreased. Moreover, the HYBRID NANOCOMPOSITEs composed of 4 layers of woven E-glass fabric and TiO2/epoxy matrix were fabricated and cut onaxis and 45o off-axis by water jet. The results of tensile and three-point bending tests indicated a remarkable improvement in the strength and stiffness that could not be related to the mechanical improvement of the matrix. The samples containing 1 vol% nano TiO2 were improved relative to samples without the nanoparticles. The tensile strength of the on-axis and off-axis samples containing 1 vol% TiO2 increased by about 25.9% and 17.9%, in the order given, compared to that of the glass/epoxy specimens. In three-point bending test, the strength of the on-axis and off-axis specimens was improved 26% and 23.2%, respectively. In addition, the tensile stiffness of the onaxis and off-axis samples containing 1 vol% TiO2 increased, respectively, by about 14.4% and 17.5% compared to that of the glass/epoxy specimens. Also for the same on-axis and off-axis samples the three-point bending stiffness increased about 19.8% and 14.6%, respectively. The whole investigation on the microstructure of the HYBRID NANOCOMPOSITEs illustrated that stronger interfaces between the fiber and TiO2/epoxy matrix were formed and improvement was noticed on mechanical properties of ternary composite compared to those of the fiber/epoxy composites. The analysis of damage zones of HYBRID NANOCOMPOSITEs showed that the surface area of the damaged zone declined considerably due to the brittle behavior of TiO2-filled specimens but the area below the stress-strain curve, showing energy absorption during the test, increased.

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APA: Copy

SALEHI, HAMID REZA, & SALEHI, MANOUCHEHR. (2015). SYNTHESIS AND MECHANICAL PROPERTIES INVESTIGATION OF NANO TIO₂/GLASS/EPOXY HYBRID NANOCOMPOSITE. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), 28(4), 263-276. SID. https://sid.ir/paper/6638/en

Vancouver: Copy

SALEHI HAMID REZA, SALEHI MANOUCHEHR. SYNTHESIS AND MECHANICAL PROPERTIES INVESTIGATION OF NANO TIO₂/GLASS/EPOXY HYBRID NANOCOMPOSITE. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN)[Internet]. 2015;28(4):263-276. Available from: https://sid.ir/paper/6638/en

IEEE: Copy

HAMID REZA SALEHI, and MANOUCHEHR SALEHI, “SYNTHESIS AND MECHANICAL PROPERTIES INVESTIGATION OF NANO TIO₂/GLASS/EPOXY HYBRID NANOCOMPOSITE,” IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), vol. 28, no. 4, pp. 263–276, 2015, [Online]. Available: https://sid.ir/paper/6638/en

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