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Study on wear mechanism of solid carbide cutting tool in milling CFRP

Published online by Cambridge University Press:  29 February 2016

Nor Khairusshima Muhamad Khairussaleh ,
Che Hassan Che Haron  and
Jaharah A. Ghani
Nor Khairusshima Muhamad Khairussaleh*
Affiliation:
Department of Manufacturing and Materials Engineering, Faculty of Engineering, International Islamic University Malaysia, 53100 Gombak, Selangor, Malaysia
Che Hassan Che Haron
Affiliation:
Department of Mechanical and Material Engineering, Faculty of Engineering and Built Environment, University Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
Jaharah A. Ghani
Affiliation:
Department of Mechanical and Material Engineering, Faculty of Engineering and Built Environment, University Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
*
a)Address all correspondence to this author. e-mail: [email protected]
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Abstract

Carbon fiber reinforced plastic (CFRP) is an expensive composite which has become valuable material as the demand for this composite increased in the industries. It is suitable to be used in automotive, aerospace, and aircraft because of its properties which is stronger than steel and also stiffer than titanium while retaining its lighter weight. However machining of CFRP is a mess to machinist due to its nature which is abrasive. The paper presents the wear mechanism on solid carbide cutting tool during milling CFRP. The wear mechanism is observed under dry and chilled air machining. The machining parameters tested were at cutting speed of 200 m/min with constant feed rate and depth of cut. For both dry and chilled air machining, it is observed that carbide cutting tool experienced abrasive wear which has been influenced by abrasive powdering chips and fibers during milling CFRP. Under microscope and scanning electron microscope, the abrasive wear is represented by shiny and polish area on the cutting tool respectively. This abrasive wear is observed higher under dry machining compared to the chilled air machining which was due to the heat generated during machining. Thus, chilled air has a potential of improving machinability of CFRP by using solid carbide cutting tool.

Keywords

carbon fiber reinforced plasticwear mechanismcarbide cutting toolmilling chilled air machining
Type
Article
Information
Journal of Materials Research , Volume 31 , Issue 13: Focus Issue: Advances and Challenges in Carbon-based Tribomaterials , 14 July 2016 , pp. 1893 - 1899
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Copyright
Copyright © Materials Research Society 2016 

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