Experimental analysis of composite bolted joints using digital image correlation

In this work, the application of the digital image correlation (DIC) technique to experimentally study progressive damage of single-lap composite bolted joints is explored. This technique is also used to provide surface strain fields and to analyse outof-plane phenomena of the joints due to the effe...

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Main Authors: A. Haris, T.E. Tay, V.B.C. Tan
Format: Article
Language:English
Published: Universiti Malaysia Pahang Publishing 2017-03-01
Series:Journal of Mechanical Engineering and Sciences
Subjects:
Online Access:https://journal.ump.edu.my/jmes/article/view/7974
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author A. Haris
T.E. Tay
V.B.C. Tan
author_facet A. Haris
T.E. Tay
V.B.C. Tan
author_sort A. Haris
collection DOAJ
description In this work, the application of the digital image correlation (DIC) technique to experimentally study progressive damage of single-lap composite bolted joints is explored. This technique is also used to provide surface strain fields and to analyse outof-plane phenomena of the joints due to the effect of laminate pattern, laminate thickness, fastener size, fastener type and bushing. The specimens were manufactured from plain weave carbon/epoxy composites. The bearing test was conducted in accordance with ASTM D5961/D5961M-13. The digital image correlation was performed using the commercial Vic-3D digital image correlation system. It was found that strain concentrations observed in the specimens can be used to identify full-field damage onset and to monitor damage progression during loading. Moreover, there is interaction between laminate pattern, laminate thickness, fastener size, fastener type and bushing on bearing strengths (ultimate and 2% offset bearing strengths), surface strain concentrations and out-of-plane displacement. The DIC results can potentially be used to develop and accurately validate numerical models.
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spelling doaj.art-99b68047e86b41dab2d9762492913ad82023-09-03T13:58:28ZengUniversiti Malaysia Pahang PublishingJournal of Mechanical Engineering and Sciences2289-46592231-83802017-03-011112443245510.15282/jmes.11.1.2017.4.0225Experimental analysis of composite bolted joints using digital image correlationA. Haris0T.E. Tay1V.B.C. Tan2Faculty of Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576, SingaporeFaculty of Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576, SingaporeFaculty of Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576, SingaporeIn this work, the application of the digital image correlation (DIC) technique to experimentally study progressive damage of single-lap composite bolted joints is explored. This technique is also used to provide surface strain fields and to analyse outof-plane phenomena of the joints due to the effect of laminate pattern, laminate thickness, fastener size, fastener type and bushing. The specimens were manufactured from plain weave carbon/epoxy composites. The bearing test was conducted in accordance with ASTM D5961/D5961M-13. The digital image correlation was performed using the commercial Vic-3D digital image correlation system. It was found that strain concentrations observed in the specimens can be used to identify full-field damage onset and to monitor damage progression during loading. Moreover, there is interaction between laminate pattern, laminate thickness, fastener size, fastener type and bushing on bearing strengths (ultimate and 2% offset bearing strengths), surface strain concentrations and out-of-plane displacement. The DIC results can potentially be used to develop and accurately validate numerical models.https://journal.ump.edu.my/jmes/article/view/7974carbon/epoxy compositebolted jointbearing strengthdigital image correlationprogressive damage
spellingShingle A. Haris
T.E. Tay
V.B.C. Tan
Experimental analysis of composite bolted joints using digital image correlation
Journal of Mechanical Engineering and Sciences
carbon/epoxy composite
bolted joint
bearing strength
digital image correlation
progressive damage
title Experimental analysis of composite bolted joints using digital image correlation
title_full Experimental analysis of composite bolted joints using digital image correlation
title_fullStr Experimental analysis of composite bolted joints using digital image correlation
title_full_unstemmed Experimental analysis of composite bolted joints using digital image correlation
title_short Experimental analysis of composite bolted joints using digital image correlation
title_sort experimental analysis of composite bolted joints using digital image correlation
topic carbon/epoxy composite
bolted joint
bearing strength
digital image correlation
progressive damage
url https://journal.ump.edu.my/jmes/article/view/7974
work_keys_str_mv AT aharis experimentalanalysisofcompositeboltedjointsusingdigitalimagecorrelation
AT tetay experimentalanalysisofcompositeboltedjointsusingdigitalimagecorrelation
AT vbctan experimentalanalysisofcompositeboltedjointsusingdigitalimagecorrelation