Wear mechanism of TiCN and TiALN coated drill in drilling of carbon steel

TiCN and TiAlN coated twist drills were subjected to drilling tests to investigate the failure mechanisms during drilling operation. The drilling tests were performed on a carbon steel plate with a thickness of 25 mm and the depth of drill was set at 20 mm. The drill performance parameters were set...

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Bibliographic Details
Published in:Jurnal Teknologi
Main Author: 2-s2.0-84943328611
Format: Article
Language:English
Published: Penerbit UTM Press 2015
Online Access:https://www.scopus.com/inward/record.uri?eid=2-s2.0-84943328611&doi=10.11113%2fjt.v76.5638&partnerID=40&md5=382c11def7e076cfb3630aa0fa252d52
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Summary:TiCN and TiAlN coated twist drills were subjected to drilling tests to investigate the failure mechanisms during drilling operation. The drilling tests were performed on a carbon steel plate with a thickness of 25 mm and the depth of drill was set at 20 mm. The drill performance parameters were set at a spindle rotation of 1,600 rpm and feed rate of 20 mm/min. Each sample was then subjected to Scanning Electron Microscopy examination to investigate the wear mechanisms operated during drilling. Microstructural examination showed that the abrasion, adhesion and thermal wear mechanisms are operated during drilling process. © 2015 Penerbit UTM Press. All rights reserved.
ISSN:1279696
DOI:10.11113/jt.v76.5638