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논문 기본 정보

자료유형
학술저널
저자정보
A.M. Fattahi (Islamic Azad University) Babak Safaei (Eastern Mediterranean University) Zhaoye Qin (Tsinghua University) Fulei Chu (Tsinghua University)
저널정보
국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.38 No.2
발행연도
2021.1
수록면
177 - 187 (11page)

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초록· 키워드

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The effect of nanoparticle volume fraction on the elastic properties of a polymer-based nanocomposite was experimentally investigated and the obtained results were compared with various existing theoretical models. The nanocomposite was consisted of high density polyethylene (HDPE) as polymeric matrix and 0, 0.5, 1 and 1.5 wt.% multi walled carbon nanotubes (MWCNTs) prepared using twin screw extruder and injection molding technique. Nanocomposite samples were molded in injection apparatus according to ASTM-D638 standard. Therefore, in addition to morphological investigations of the samples, tensile tests at ambient temperature were performed on each sample and stress-strain plots, elastic moduli, Poisson’s ratios, and strain energies of volume units were extracted from primary strain test results. Tensile test results demonstrated that 1 wt.% nanoparticles presented the best reinforcement behavior in HDPE-MWCNT nanocomposites. Due to the agglomeration of nanoparticles at above 1 wt.%, Young’s modulus, yielding stress, fracture stress, and fracture energy were decreased and Poisson’s ratio and failure strain were increased.

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