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    Acoustic Emission Damage Assessment of Steel/CFRP Bonds for Rehabilitation

    Source: Journal of Composites for Construction:;2006:;Volume ( 010 ):;issue: 003
    Author:
    Fabio Matta
    ,
    Piervincenzo Rizzo
    ,
    Vistasp M. Karbhari
    ,
    Francesco Lanza di Scalea
    DOI: 10.1061/(ASCE)1090-0268(2006)10:3(265)
    Publisher: American Society of Civil Engineers
    Abstract: The use of adhesively bonded carbon fiber reinforced polymer (CFRP) laminates is increasingly being considered for the rehabilitation of metallic structures. The effective structural monitoring of steel/CFRP adhesive joints is of critical importance to assess the design service performance of the system, which ultimately depends on the bond damage tolerance at the load transfer regions. In the present study laboratory static and fatigue tests were conducted on steel/CFRP skin doubler and double strap joint specimens, which were monitored using the acoustic emission (AE) technique. The characteristics of the AE signals were correlated with the mechanical response of the samples, in order to understand the AE response associated with the accumulation of bond damage. One-dimensional source location was also performed to examine the initiation and the development of the disbond. The results show that AE parameter-based analysis is an effective nondestructive evaluation tool for bond damage detection and area location.
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      Acoustic Emission Damage Assessment of Steel/CFRP Bonds for Rehabilitation

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    http://yetl.yabesh.ir/yetl1/handle/yetl/54376
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    contributor authorFabio Matta
    contributor authorPiervincenzo Rizzo
    contributor authorVistasp M. Karbhari
    contributor authorFrancesco Lanza di Scalea
    date accessioned2017-05-08T21:30:53Z
    date available2017-05-08T21:30:53Z
    date copyrightJune 2006
    date issued2006
    identifier other%28asce%291090-0268%282006%2910%3A3%28265%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/54376
    description abstractThe use of adhesively bonded carbon fiber reinforced polymer (CFRP) laminates is increasingly being considered for the rehabilitation of metallic structures. The effective structural monitoring of steel/CFRP adhesive joints is of critical importance to assess the design service performance of the system, which ultimately depends on the bond damage tolerance at the load transfer regions. In the present study laboratory static and fatigue tests were conducted on steel/CFRP skin doubler and double strap joint specimens, which were monitored using the acoustic emission (AE) technique. The characteristics of the AE signals were correlated with the mechanical response of the samples, in order to understand the AE response associated with the accumulation of bond damage. One-dimensional source location was also performed to examine the initiation and the development of the disbond. The results show that AE parameter-based analysis is an effective nondestructive evaluation tool for bond damage detection and area location.
    publisherAmerican Society of Civil Engineers
    titleAcoustic Emission Damage Assessment of Steel/CFRP Bonds for Rehabilitation
    typeJournal Paper
    journal volume10
    journal issue3
    journal titleJournal of Composites for Construction
    identifier doi10.1061/(ASCE)1090-0268(2006)10:3(265)
    treeJournal of Composites for Construction:;2006:;Volume ( 010 ):;issue: 003
    contenttypeFulltext
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