Damage monitoring and analysis of composite laminates with an open hole and adhesively bonded repairs using digital image correlation

Caminero, M.A.; Lopez‐Pedrosa, M.; Pinna, C.; Soutis, C.

doi:10.1016/j.compositesb.2013.04.050

Cited by 172 publications

(69 citation statements)

References 62 publications

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“…[18][19][20][21] The GOM -ARAMIS 3-dimensional DIC system used consisted of two cameras (controlled by the ARAMIS software) and was set to calculate the strain data at approximately 1 mm intervals across the surface of 7 the specimens. The DIC analysis was conducted using facet settings of 19 x 19 pixels with 2 pixel overlap.…”

Section: Test Methodsmentioning

confidence: 99%

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Investigation into the mechanical properties of thermoplastic composites containing holes machined by a thermally-assisted piercing (TAP) process

Brown

Worrall

Ogin

et al. 2015

Advanced Manufacturing: Polymer & Composites Science

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A thermally-assisted piercing (TAP) process has been investigated as an alternative to current methods of machining holes in thermoplastic composites.The spike force/displacement responses during piercing were affected by both the processing temperature and the size of the heated area, as were the resultant microstructure and subsequent mechanical performance. Overall, the results suggest that for advanced manufacturing of thermoplastic composites, good tensile and compressive open-hole properties are produced in the TAP process when using small heated areas and higher temperatures.

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Section: Test Methodsmentioning

confidence: 99%

“…For both tension and compression loading, the drilled specimens show an increased longitudinal strain near the hole edge, reflecting the effect of the strain concentration at the hole, as found in previous studies. 20,21 For the TAP specimen, fiber continuity around the hole (shown schematically in Fig. 10) reduces the stress concentration.…”

Section: 3mentioning

confidence: 99%

Investigation into the mechanical properties of thermoplastic composites containing holes machined by a thermally-assisted piercing (TAP) process

Brown

Worrall

Ogin

et al. 2015

Advanced Manufacturing: Polymer & Composites Science

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“…The results also show a good performance of distributed sensors, including loads close to the failure of the concrete specimen. Nowadays, there are others techniques as Smart Films , Zhou 2011, or Imagine processing (Caminero et al 2013, Rouchier et al 2013) for crack monitoring. The first one requires a spatial fabrication of the smart film and a carefully installation process.…”

Section: Crack Detection In Concrete Elementsmentioning

confidence: 99%

SHM by DOFS in civil engineering: a review

Rodríguez¹,

Casas²,

Villalba³

2015

Structural Monitoring and Maintenance

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Abstract. This paper provides an overview of the use of different Distributed Optical Fiber Sensor systems (DOFSs) to perform Structural Health Monitoring (SHM) in the specific case of civil engineering structures. Nowadays, there are several methods available for extracting distributed measurements from optical fiber, and their use have to be according with the aims of the SHM performance. The continuous-in-space data is the common advantage of the different DOFSs over other conventional health monitoring systems and, depending on the particular characteristics of each DOFS, a global and/or local health structural evaluation is possible with different accuracy. Firstly, the fundamentals of different DOFSs and their principal advantages and disadvantages are presented. Then, laboratory and field tests using different DOFSs systems to measure strain in structural elements and civil structures are presented and discussed. Finally, based on the current applications, conclusions and future trends of DOFSs in SHM in civil structures are proposed.

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“…The local last squares fitting method to calculate the true strain field in presence of holes or crack areas has been investigated in [30] while the detection of strain singularity due to artificial delamination by using the DIC technique has been considered in [31,32]. The DIC technique has been used to study the crack growth behavior in [33], the impact induced damage in composite structures under compressive load in [34], and finally, holes in composite laminates and the bonded repairs performance also under tensile load in [35].…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation of Delamination Growth in Composite Laminates under a Compressive Load

Riccio

Cristiano

Mezzacapo

et al. 2017

Advances in Materials Science and Engineering

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This paper focuses on the use of no-contact experimental techniques for monitoring the interlaminar damage evolution in composite laminates. Indeed, Infrared Thermography and Digital Image Correlation are adopted to investigate, in composite plates with artificial delamination, the influence of the delamination initial position on the delamination growth. The paper also investigates the feasibility of using a no-contact experimental technique for the measurement of displacement and strain during mechanical tests, such as the Digital Image Correlation, to evaluate, by means of indirect measurements, the delamination growth as a function of the applied load.

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Damage monitoring and analysis of composite laminates with an open hole and adhesively bonded repairs using digital image correlation

Cited by 172 publications

References 62 publications

Investigation into the mechanical properties of thermoplastic composites containing holes machined by a thermally-assisted piercing (TAP) process

Investigation into the mechanical properties of thermoplastic composites containing holes machined by a thermally-assisted piercing (TAP) process

SHM by DOFS in civil engineering: a review

Experimental Investigation of Delamination Growth in Composite Laminates under a Compressive Load

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