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Experimental Investigation of Thrust Force, Delamination and Surface Roughness in Drilling Hybrid Structural Composites
Department of Mechanical Engineering, Saveetha Institute of Medical and Technical Sciences, Saveetha School of Engineering, Chennai 602105, India.
Department of Mechanical Engineering, Kalasalingam Academy of Research and Education, Krishnankoil 626126, India; Faculty of Mechanical Engineering Technology, Universiti Malaysia Perlis (UniMAP), Arau 02600, Perlis, Malaysia.
Department of Mechanical Engineering, Kalasalingam Academy of Research and Education, Krishnankoil 626126, India.
Department of Mechanical Engineering, Kalasalingam Academy of Research and Education, Krishnankoil 626126, India.
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2021 (English)In: Materials, ISSN 1996-1944, E-ISSN 1996-1944, Vol. 14, no 16, article id 4468Article in journal (Refereed) Published
Abstract [en]

Filled hybrid composites are widely used in various structural applications where machining is critical. Hence, it is essential to understand the performance of the fibre composites’ machining behaviour. As such, a new hybrid structural composite was fabricated with redmud as filler and sisal fibre as reinforcement in polyester matrix. The composite was then tested for its drilling performance. A comprehensive drilling experiment was conducted using Taguchi L27 orthogonal array. The effect of the drill tool point angle, the cutting speed, the feed rate on thrust force, delamination, and burr formation were analysed for producing quality holes. The significance of each parameter was analysed, and the experimental outcomes revealed some important findings in the context of the drilling behaviour of sisal fibre/polyester composites with redmud as a filler. Spindle speed contributed 39% in affecting the thrust force, while the feed rate had the maximum influence of ca. 38% in affecting delamination.

Place, publisher, year, edition, pages
MDPI, 2021. Vol. 14, no 16, article id 4468
Keywords [en]
hybrid structural composite, drilling, fibre, thrust force, delamination, surface roughness, design of experiments
National Category
Composite Science and Engineering
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-86920DOI: 10.3390/ma14164468ISI: 000689474800001PubMedID: 34442990Scopus ID: 2-s2.0-85112762880OAI: oai:DiVA.org:ltu-86920DiVA, id: diva2:1589344
Note

Validerad;2021;Nivå 2;2021-09-01 (alebob)

Available from: 2021-08-31 Created: 2021-08-31 Last updated: 2022-10-27Bibliographically approved

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Försth, MichaelSas, GabrielDas, Oisik

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