Abstract
Machining CFRP composites generally create defects in machined surfaces which are more irregular than those given by metal machining. Minimizing and controlling the occurrence of damage is a crucial task. To archive that, quantifying damage and correlating it to cutting parameters, as well as mechanical behavior is significant. This study investigates the influences of machining parameters such as spindle speed and feed speed on the ten-point max, Rz. This roughness parameter is recommended to adopt for quantifying the machining quality of CFRPs instead of Ra. Machining defects are identified by SEM observation. Rz values are determined in both longitudinal and perpendicular directions to the machined surfaces. The results show that the combination between high spindle speed and low feed speed can seriously create damage levels. Moreover, it is proved that Rz can well reflect damage evolution, qualitatively identified by SEM observation. This can be concluded that Rz can be a good indicator to quantify machining damage of composite materials instead of using expensive systems which are difficult to be afforded whenever.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Similar content being viewed by others
References
Hintze, W., Hartmann, D., Schütte, C.: Occurrence and propagation of delamination during the machining of carbon fibre reinforced plastics (CFRPs) – An experimental study. Compos. Sci. Technol. 71(15), 1719–1726 (2011)
Haddad, M., Zitoune, R., Eyma, F., Castanié, B.: Machinability and surface quality during high speed trimming of multi directional CFRP. Int. J. Mach. Mach. Mater. (2013)
Shahid, A.H., Sheikh-Ahmad, J.: Effect of edge trimming on failure stress of carbon fiber polymer composites_Jamal Sheikh-Ahmad_Hay dung bai nay (2013)
Duboust, N., et al.: An optical method for measuring surface roughness of machined carbon fibre-reinforced plastic composites. J. Compos. Mater. 51(3), 289–302 (2016)
Nguyen-Dinh, N., et al.: Surface integrity while trimming of composite structures: X-ray tomography analysis. Compos. Struct. 210, 735–746 (2019)
Hejjaji, A., et al.: Surface and machining induced damage characterization of abrasive water jet milled carbon/epoxy composite specimens and their impact on tensile behavior. Wear 376–377, 1356–1364 (2017)
Saoudi, J., et al.: Critical thrust force predictions during drilling: analytical modeling and X-ray tomography quantification. Compos. Struct. 153, 886–894 (2016)
Ramulu, M., Wern, C.W., Garbini, J.L.: Effect of fibre direction on surface roughness measurements of machined praphite epoxy composite.pdf. Compos. Manufact., 4 (1993)
Ghidossi, P., Mansori, M., Pierron, F.: Influence of specimen preparation by machining on the failure of polymer matrix off-axis tensile coupons. Compos. Sci. Technol. 66(11–12), 1857–1872 (2006)
Wang, F., et al.: Influences of milling strategies and process parameters on the cavity defect generated during milling of carbon fiber reinforced polymer. Proc. Inst. Mech. Eng., Part C: J. Mech. Eng. Sci. (2020)
Ramulu, M.: Machining and surface integrity of fibre-reinforced plastic (1997)
Acknowledgments
The authors wish to thank Thai Nguyen University of Technology for supporting this work.
Author information
Authors and Affiliations
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2021 The Author(s), under exclusive license to Springer Nature Switzerland AG
About this paper
Cite this paper
Ngoc, N.D., Hue, N.T. (2021). A Study on Qualitative and Quantitative Characterization of Machining Quality of Aerospace Composite Structures. In: Sattler, KU., Nguyen, D.C., Vu, N.P., Long, B.T., Puta, H. (eds) Advances in Engineering Research and Application. ICERA 2020. Lecture Notes in Networks and Systems, vol 178. Springer, Cham. https://doi.org/10.1007/978-3-030-64719-3_12
Download citation
DOI: https://doi.org/10.1007/978-3-030-64719-3_12
Published:
Publisher Name: Springer, Cham
Print ISBN: 978-3-030-64718-6
Online ISBN: 978-3-030-64719-3
eBook Packages: EngineeringEngineering (R0)