A NUMERICAL AND EXPERIMENTAL STUDY ON BENDING OF GLASS FIBER METAL LAMINATE COMPOSITE FOR REDUCING RESULTANT DEFECTS

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AMIRNEJAD SAEED; KADKHODAYAN MEHRAN

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Journal: JOURNAL OF MECHANICAL ENGINEERING AMIRKABIR (AMIRKABIR) Year:2016 | Volume:47 | Issue:2 Page(s): 11-20

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Title

A NUMERICAL AND EXPERIMENTAL STUDY ON BENDING OF GLASS FIBER METAL LAMINATE COMPOSITE FOR REDUCING RESULTANT DEFECTS

Author(s)

AMIRNEJAD SAEED | KADKHODAYAN MEHRAN | Issue Writer Certificate

Keywords

FIBER METAL LAMINATEQ2

BENDINGQ2

SPRING BACKQ2

FINITE ELEMENTQ2

TAGUCHI METHODQ2

Abstract

Nowadays, fiber-metal laminate composites are highly used by designers due to their good mechanical properties and low weight particularly in aerospace industry. The FIBER METAL LAMINATE shows improvement over the properties of both aluminum alloys and composite materials. In this study, BENDING properties of these composites are investigated both numerically and experimentally. Since these multi-layers have a very limited formability and deformation of fibers is pure elastic, the fibers cause some kind of SPRING BACK that is known as a defect. In the current study, six types of specimens are prepared with variable fiber angles and thickness of layers for BENDING test. In addition, the BENDING test is optimized through the Taguchi design experimental method, until the results become independent of die and press parameters. The effects of design and fabrication parameters of fiber- metal composite on the SPRING BACK are investigated in detail. The results show that the SPRING BACK increases linearly with increasing punch radius and with decreasing pressure forming due to the reduction of the plastic deformation. On the other hand, by increasing the punch speed, the SPRING BACK increases slightly because forming by the high-rate punch speed increases the amount of elastic recovery in aluminum sheet and induces larger SPRING BACK. Moreover, when the fibers are parallel to the BENDING axis and the thickness of outer layers increase, the bend radius and SPRING BACK decrease. The obtained results are compared partially with the FE numerical results.

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APA: Copy

AMIRNEJAD, SAEED, & KADKHODAYAN, MEHRAN. (2016). A NUMERICAL AND EXPERIMENTAL STUDY ON BENDING OF GLASS FIBER METAL LAMINATE COMPOSITE FOR REDUCING RESULTANT DEFECTS. JOURNAL OF MECHANICAL ENGINEERING AMIRKABIR (AMIRKABIR), 47(2), 11-20. SID. https://sid.ir/paper/165990/en

Vancouver: Copy

AMIRNEJAD SAEED, KADKHODAYAN MEHRAN. A NUMERICAL AND EXPERIMENTAL STUDY ON BENDING OF GLASS FIBER METAL LAMINATE COMPOSITE FOR REDUCING RESULTANT DEFECTS. JOURNAL OF MECHANICAL ENGINEERING AMIRKABIR (AMIRKABIR)[Internet]. 2016;47(2):11-20. Available from: https://sid.ir/paper/165990/en

IEEE: Copy

SAEED AMIRNEJAD, and MEHRAN KADKHODAYAN, “A NUMERICAL AND EXPERIMENTAL STUDY ON BENDING OF GLASS FIBER METAL LAMINATE COMPOSITE FOR REDUCING RESULTANT DEFECTS,” JOURNAL OF MECHANICAL ENGINEERING AMIRKABIR (AMIRKABIR), vol. 47, no. 2, pp. 11–20, 2016, [Online]. Available: https://sid.ir/paper/165990/en

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