Print Email Facebook Twitter The influence of inter-laminar thermal contact resistance on the cooling of material during laser assisted fiber placement Title The influence of inter-laminar thermal contact resistance on the cooling of material during laser assisted fiber placement Author Çelik, O. (TU Delft Aerospace Manufacturing Technologies) Hosseini, S.M.A. (University of Twente) Baran, Ismet (University of Twente) Grouve, Wouter J.B. (University of Twente) Akkerman, Remko (University of Twente) Peeters, D.M.J. (TU Delft Aerospace Manufacturing Technologies; TU Delft Aerospace Structures & Computational Mechanics) Teuwen, Julie J.E. (TU Delft Aerospace Manufacturing Technologies) Dransfeld, C.A. (TU Delft Aerospace Manufacturing Technologies) Date 2021 Abstract The effect of thermal contact resistance (TCR) correlated to the degree of intimate contact (DIC) between the incoming tape and the substrate on the temperature history during laser-assisted fiber placement (LAFP) was investigated. A novel experimental methodology was designed to understand the effect with a non-contact method which did not influence the local consolidation quality. To assess the influence of TCR numerically, a three-dimensional optical-thermal model was developed. Experimental results indicated that, for the same tape temperature near the nip point, an increase in the compaction force resulted in a decrease in the temperature at the roller exit and the following cooling phase, in correlation with an increase in the final DIC. Also, the effect of the laser power on the final DIC was less pronounced than the compaction force. In the thermal model, when TCR at the tape-substrate interface was not considered, the temperature predictions underestimated the experimental measurements. Subject A. Polymer-matrix composites (PMCs)C. Process modelingD. Microstructural analysisE. Automated fiber placement (AFP) To reference this document use: http://resolver.tudelft.nl/uuid:4ed7ec56-1d46-4144-ae47-3ebcceebcaf4 DOI https://doi.org/10.1016/j.compositesa.2021.106367 ISSN 1359-835X Source Composites Part A: Applied Science and Manufacturing, 145 Part of collection Institutional Repository Document type journal article Rights © 2021 O. Çelik, S.M.A. Hosseini, Ismet Baran, Wouter J.B. Grouve, Remko Akkerman, D.M.J. Peeters, Julie J.E. Teuwen, C.A. Dransfeld Files PDF 1_s2.0_S1359835X21000919_main.pdf 5.06 MB Close viewer /islandora/object/uuid:4ed7ec56-1d46-4144-ae47-3ebcceebcaf4/datastream/OBJ/view