EXPERIMENTAL AND NUMERICAL INVESTIGATION OF MODE II FRACTURE TOUGHNESS OF RUBBER-TOUGHENED POLYMETHYL METHACRYLATE BY USING THE ESSENTIAL FRACTURE WORK

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HADDADI ELYAS; CHOUPANI NAGHDALI; ABBASI FARHANG

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:3 Page(s): 132-140

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Title

EXPERIMENTAL AND NUMERICAL INVESTIGATION OF MODE II FRACTURE TOUGHNESS OF RUBBER-TOUGHENED POLYMETHYL METHACRYLATE BY USING THE ESSENTIAL FRACTURE WORK

Author(s)

HADDADI ELYAS | CHOUPANI NAGHDALI | ABBASI FARHANG | Issue Writer Certificate

Keywords

RUBBER-TOUGHENED PMMAQ1

MODE II FRACTUREQ1

FRACTURE TOUGHNESSQ2

ESSENTIAL WORK OF FRACTUREQ1

LIGAMENT LENGTHQ1

Abstract

Pure MODE II FRACTURE toughness of polymethyl methacrylate and its components has been studied by ESSENTIAL WORK OF FRACTURE (EWF) approach via experimental and numerical methods. EWF fracture tests with double edge notched tension (DENT) were performed on the RT-PMMA specimens at room temperature. In this investigation, the MODE II FRACTURE of polymethyl methacrylate/graft-acrylonitrile butadiene styrene (PMMA/g-ABS) blends with different weight percentage of rubber (0, 10, 15, and 20) and the thickness of 0.8 and 4 millimeter samples was investigated. The results showed that the value for the specific ESSENTIAL WORK OF FRACTURE given by including lower LIGAMENT LENGTH may be more accurate because the ligament is completely yielded. The results also showed that for the loaddisplacement curves that have self-similarity in shape for the specimens with different rubber content, specimen thicknesses, and LIGAMENT LENGTHs and the specific work of fracture (wf) increases significantly with the increasing of rubber content. The essential work (we) and the non-essential work (bwp) of fracture increase with the increased rubber for both thicknesses. The highest value of the specific essential work and the specific non-essential work of fracture belong to 20% composition in 0.8 mm specimen thickness 122.19 N/mm and 5.54 N/mm2 and in 4 mm specimen thickness 51.231 N/mm and 10.258 N/mm2, respectively. Significant changes were observed in the amount of essential and nonessential work of fracture when the thickness of the samples was changed.

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APA: Copy

HADDADI, ELYAS, CHOUPANI, NAGHDALI, & ABBASI, FARHANG. (2016). EXPERIMENTAL AND NUMERICAL INVESTIGATION OF MODE II FRACTURE TOUGHNESS OF RUBBER-TOUGHENED POLYMETHYL METHACRYLATE BY USING THE ESSENTIAL FRACTURE WORK. MODARES MECHANICAL ENGINEERING, 16(3), 132-140. SID. https://sid.ir/paper/178495/en

Vancouver: Copy

HADDADI ELYAS, CHOUPANI NAGHDALI, ABBASI FARHANG. EXPERIMENTAL AND NUMERICAL INVESTIGATION OF MODE II FRACTURE TOUGHNESS OF RUBBER-TOUGHENED POLYMETHYL METHACRYLATE BY USING THE ESSENTIAL FRACTURE WORK. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(3):132-140. Available from: https://sid.ir/paper/178495/en

IEEE: Copy

ELYAS HADDADI, NAGHDALI CHOUPANI, and FARHANG ABBASI, “EXPERIMENTAL AND NUMERICAL INVESTIGATION OF MODE II FRACTURE TOUGHNESS OF RUBBER-TOUGHENED POLYMETHYL METHACRYLATE BY USING THE ESSENTIAL FRACTURE WORK,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 3, pp. 132–140, 2016, [Online]. Available: https://sid.ir/paper/178495/en

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