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Influence of cutting parameters on thrust force, drilling torque and delamination during drilling of carbon fibre reinforced composites (CROSBI ID 185039)

Prilog u časopisu | prethodno priopćenje

Koboević, Nikša ; Jurjević, Mate ; Koboević, Žarko Influence of cutting parameters on thrust force, drilling torque and delamination during drilling of carbon fibre reinforced composites // Tehnički vjesnik : znanstveno-stručni časopis tehničkih fakulteta Sveučilišta u Osijeku, 19 (2012), 2; 389-396

Podaci o odgovornosti

Koboević, Nikša ; Jurjević, Mate ; Koboević, Žarko

engleski

Influence of cutting parameters on thrust force, drilling torque and delamination during drilling of carbon fibre reinforced composites

Composite materials have become valuable construction materials in aerospace, defense and in recent years in automotive industry. The advantage of composite materials over conventional materials stems largely from their higher specific strength, stiffness and fatigue characteristics. Composite components are joined by mechanical fasteners, accurate, precise high quality holes need to be drilled to ensure proper and durable assemblies. Drilling of composite materials causes several damages, such us: delamination, fibre-pull out, edge chipping, uncut fibers and others. Delamination is a major problem associated with drilling fiber reinforced composite materials. It causes poor assembly tolerance, reduces structural integrity of material and the potential for long term performance deterioration. The thrust force has been cited as main cause of delamination. In this paper the objective was to establish correlation between cutting parameters and thrust force, drilling torque and delamination. Drilling tests were carried out on carbon epoxy composite material using three different drills, HSS-Co twist drill, Multi Constructional twist drill and "Brad & Spur" drill. The data have been processed by the "DesignExpert" software package which generated the mathematical models.

carbon fibre reinforced composite material; delamination; drilling; hole quality

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Podaci o izdanju

19 (2)

2012.

389-396

objavljeno

1330-3651

Povezanost rada

Strojarstvo, Tehnologija prometa i transport

Poveznice
Indeksiranost