Crack propagation behavior on metal laminate of FMLs after a high tensile overload under high constant amplitude load

The crack propagation behaviour on the metal laminate of the FMLs is investigated under constant amplitude loads, which is higher compared to the fatigue strength of the metal laminate, and the subsequent crack propagation behaviours after being highly overloaded. The observation was carried out on...

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Main Authors: Purnowidodo Anindito, Iman Hilmi
Format: Article
Language:English
Published: University of Belgrade - Faculty of Mechanical Engineering, Belgrade 2020-01-01
Series:FME Transactions
Subjects:
Online Access:https://scindeks-clanci.ceon.rs/data/pdf/1451-2092/2020/1451-20922002419X.pdf
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author Purnowidodo Anindito
Iman Hilmi
author_facet Purnowidodo Anindito
Iman Hilmi
author_sort Purnowidodo Anindito
collection DOAJ
description The crack propagation behaviour on the metal laminate of the FMLs is investigated under constant amplitude loads, which is higher compared to the fatigue strength of the metal laminate, and the subsequent crack propagation behaviours after being highly overloaded. The observation was carried out on the FMLs with the various surface roughness of the metal laminate at the interface between the metal and fibre-reinforced composite laminate. The overload leads to delay of the crack propagation following the overload, and the higher surface roughness increases the number of delay cycles. The overload together with the surface roughness affects stress condition in front of the crack tip and the crack tip condition as well as the compressive residual stress in front of the crack tip after the overload. In addition, the higher surface roughness strengthens the shear strength of the interface leading to the delamination caused by cyclic loads to be more difficult to take place. Therefore, the delay cycles after the overloading become longer.
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spelling doaj.art-fcd752e51c8041e187e164baa5d3a4952022-12-21T23:47:26ZengUniversity of Belgrade - Faculty of Mechanical Engineering, BelgradeFME Transactions1451-20922406-128X2020-01-014824194261451-20922002419XCrack propagation behavior on metal laminate of FMLs after a high tensile overload under high constant amplitude loadPurnowidodo Anindito0Iman Hilmi1University of Brawijaya, Mechanical Engineering Department, Malang, IndonesiaUniversity of Brawijaya, Mechanical Engineering Department, Malang, IndonesiaThe crack propagation behaviour on the metal laminate of the FMLs is investigated under constant amplitude loads, which is higher compared to the fatigue strength of the metal laminate, and the subsequent crack propagation behaviours after being highly overloaded. The observation was carried out on the FMLs with the various surface roughness of the metal laminate at the interface between the metal and fibre-reinforced composite laminate. The overload leads to delay of the crack propagation following the overload, and the higher surface roughness increases the number of delay cycles. The overload together with the surface roughness affects stress condition in front of the crack tip and the crack tip condition as well as the compressive residual stress in front of the crack tip after the overload. In addition, the higher surface roughness strengthens the shear strength of the interface leading to the delamination caused by cyclic loads to be more difficult to take place. Therefore, the delay cycles after the overloading become longer.https://scindeks-clanci.ceon.rs/data/pdf/1451-2092/2020/1451-20922002419X.pdfcrackpropagationdelayoverloadlaminateroughness
spellingShingle Purnowidodo Anindito
Iman Hilmi
Crack propagation behavior on metal laminate of FMLs after a high tensile overload under high constant amplitude load
FME Transactions
crack
propagation
delay
overload
laminate
roughness
title Crack propagation behavior on metal laminate of FMLs after a high tensile overload under high constant amplitude load
title_full Crack propagation behavior on metal laminate of FMLs after a high tensile overload under high constant amplitude load
title_fullStr Crack propagation behavior on metal laminate of FMLs after a high tensile overload under high constant amplitude load
title_full_unstemmed Crack propagation behavior on metal laminate of FMLs after a high tensile overload under high constant amplitude load
title_short Crack propagation behavior on metal laminate of FMLs after a high tensile overload under high constant amplitude load
title_sort crack propagation behavior on metal laminate of fmls after a high tensile overload under high constant amplitude load
topic crack
propagation
delay
overload
laminate
roughness
url https://scindeks-clanci.ceon.rs/data/pdf/1451-2092/2020/1451-20922002419X.pdf
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AT imanhilmi crackpropagationbehavioronmetallaminateoffmlsafterahightensileoverloadunderhighconstantamplitudeload