Wear of diamond-coated cutting tool inserts upon machining of Al-12%Si and glass fiber/polyester resin composites

Author:

Grahovac Nebojsa1,Stankovic Srboljub2,Zec Slavica1ORCID,Maksimovic Vesna1,Grahovac Boris1,Milovanovic Dubravka3ORCID

Affiliation:

1. Institute of Nuclear Sciences “Vinca”, Laboratory of Materials, Belgrade

2. Institute of Nuclear Sciences “Vinca”, Laboratory of Radiation Protection, Belgrade

3. Institute of Nuclear Sciences “Vinca”, Laboratory of Physical Chemistry, Belgrade

Abstract

Results of the wear resistance of the diamond-coated cutting tool inserts upon machining Al-12%Si alloy and glass fiber/polyester resin composites are presented in this paper. The aim of this paper was to demonstrate the advantages of application of cutting tool inserts with the diamond coating over the conventional tungsten-carbide (WC) tools, and to obtain the cheaper serial production (shorter machining time) and satisfactory lifetime of the diamond cutting tool inserts. Surface roughness of the machined samples was measured for both as-received and diamond coated inserts. The diamond microstructure of undamaged part of inserts as well as the appearance of microstructure of diamond coated inserts after machining has been investigated. Results of the behavior of two regimes of preparation of diamond-coated inserts were compared and analyzed. Generally, the wear resistance of the diamond-coated cutting tool is superior over the conventional tool.

Funder

Ministry of Education, Science and Technological Development of the Republic of Serbia

Publisher

National Library of Serbia

Subject

Ceramics and Composites

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