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Influence of cutting conditions in drilling of CFRP/Al stacked composites

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Title Influence of cutting conditions in drilling of CFRP/Al stacked composites
 
Creator Koyyagura, Lakshmi Kala
Karanam, Prahlada Rao
 
Subject CFRP/Al stack
Drilling
Delamination
Thrust force
Drill type
Geometry
 
Description 152-164
Composite laminates are gorgeous for several applications such as aerospace and aircraft structural components due to their excellent properties. Typically, mechanical drilling has been important machining operation for components made of composite laminates. Nevertheless, laminated composites are considered as hard-to-machine material which results in low drilling efficiency and drilling-induced delamination which is undesirable. This paper reviews the experiments during drilling of CFRP/Al stacked and sandwich composites. The machinability facets of these material stacks has been generally used in aerospace applications, it has been studied based on impact of drill material, drill geometries, and drilling process parameters such as speed and feed. Composite material requires high spindle speed and low feed rate, whereas drilling aluminum requires stability between speedsto feed rate. The review reports essential results and gap in the collected literature for CFRP/Al stacked and sandwich composites. A compromise between several parameters is required during drilling of multi-material stacks. The problems and solutions allied to drilling of multi-material stacks are deliberated and the directions in which the research on drilling of multi-materials may be carried out are suggested in this paper. It is intended to assist readers to acquire a thorough view on mechanical drilling of laminated composite.
 
Date 2021-07-07T06:29:50Z
2021-07-07T06:29:50Z
2021-04
 
Type Article
 
Identifier 0975-1017 (Online); 0971-4588 (Print)
http://nopr.niscair.res.in/handle/123456789/57657
 
Language en
 
Publisher CSIR-NIScPR, India
 
Source IJEMS Vol.28(2) [April 2021]