TY - JOUR
T1 - On the measurement of residual stresses in fibre metal laminates
AU - Abouhamzeh, Morteza
AU - Smyth, Niall
AU - Sinke, Jos
PY - 2021
Y1 - 2021
N2 - During the manufacturing of fibre-reinforced laminates, undesired phenomena are produced, among which the residual stresses need investigation and analysis. The authors have previously presented the research done on the predictive modelling and measurement of the distortions happening during the manufacturing of fibre metal laminates (FML). In this paper, primary measurements of residual stresses are presented. First, the mechanisms governing the development of residual stresses in polymeric laminates are described. Then, the measurement techniques applicable to composite and hybrid materials are reviewed. The hole-drilling method is used to estimate the stress levels in the aluminium sheet of the FML. The results give a new understanding of the stress state in the FML. Comparisons made with the model predictions show the consistency of the results and indeed the need for further improvements for the model validations in terms of the residual stress values in the aluminium sheets.
AB - During the manufacturing of fibre-reinforced laminates, undesired phenomena are produced, among which the residual stresses need investigation and analysis. The authors have previously presented the research done on the predictive modelling and measurement of the distortions happening during the manufacturing of fibre metal laminates (FML). In this paper, primary measurements of residual stresses are presented. First, the mechanisms governing the development of residual stresses in polymeric laminates are described. Then, the measurement techniques applicable to composite and hybrid materials are reviewed. The hole-drilling method is used to estimate the stress levels in the aluminium sheet of the FML. The results give a new understanding of the stress state in the FML. Comparisons made with the model predictions show the consistency of the results and indeed the need for further improvements for the model validations in terms of the residual stress values in the aluminium sheets.
KW - Fibre metal laminates (FML)
KW - GLARE
KW - Hole-drilling
KW - Residual stresses
UR - http://www.scopus.com/inward/record.url?scp=85100782683&partnerID=8YFLogxK
U2 - 10.1007/s00170-021-06698-z
DO - 10.1007/s00170-021-06698-z
M3 - Article
AN - SCOPUS:85100782683
SN - 0268-3768
VL - 113
SP - 1663
EP - 1671
JO - International Journal of Advanced Manufacturing Technology
JF - International Journal of Advanced Manufacturing Technology
IS - 5-6
ER -