Imperial College London
Alternate

John P. Dear FREng

Faculty of Engineering, Department of Mechanical Engineering

Professor of Mechanical Engineering
 
 
 
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Contact

 

j.dear Website

 
 
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Location

 

520City and Guilds BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Hall:2022:10.1016/j.engfracmech.2022.108570,
author = {Hall, Z and Liu, J and Brooks, R and Liu, H and Crocker, J and Joesbury, A and Harper, L and Blackman, B and Kinloch, A and Dear, J},
doi = {10.1016/j.engfracmech.2022.108570},
journal = {Engineering Fracture Mechanics},
title = {The effectiveness of patch repairs to restore the impact properties of carbon-fibre reinforced-plastic composites},
url = {http://dx.doi.org/10.1016/j.engfracmech.2022.108570},
volume = {270},
year = {2022}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - The present paper studies the low-velocity impact testing of carbon-fibre reinforced-plastic (CFRP) pristine and patch-repair CFRP panels. Firstly, the effect of repeated impacts on the pristine CFRP damage growth is considered at impact energies of 7.5, 10.5 and 30 J. Secondly, such tests lead to a single-sided, patch-repair panel being manufactured by removing a 40 mm diameter central hole, to act as the ‘damaged area’, from the parent CFRP panel and then adhesively-bonding a circular CFRP patch-repair over the hole so generated. Various diameters and thicknesses for the CFRP patch-repair are employed and, in some cases, a CFRP circular plug is also used to fill the hole created by removal of the parent composite. The measured load versus time, and load versus displacement, traces are compared. Further, the extent and location of any interlaminar damage, i.e. delaminations between the plies of the CFRP, caused by the impact event are mapped using an ultrasonic C-scan technique. It is shown that single-sided patch repairs can be very effective in restoring the impact performance of damaged CFRP panels.
AU  - Hall,Z
AU  - Liu,J
AU  - Brooks,R
AU  - Liu,H
AU  - Crocker,J
AU  - Joesbury,A
AU  - Harper,L
AU  - Blackman,B
AU  - Kinloch,A
AU  - Dear,J
DO  - 10.1016/j.engfracmech.2022.108570
PY  - 2022///
SN  - 0013-7944
TI  - The effectiveness of patch repairs to restore the impact properties of carbon-fibre reinforced-plastic composites
T2  - Engineering Fracture Mechanics
UR  - http://dx.doi.org/10.1016/j.engfracmech.2022.108570
UR  - http://hdl.handle.net/10044/1/97652
VL  - 270
ER  -
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