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Effect of drill point angle on surface integrity when drilling titanium alloy

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Main Authors: Muhamad Nasir, Murad, Safian, Sharif, Erween, Abd Rahim, Prof. Madya Dr., Rival
Other Authors: mnasir@unimap.edu.my
Format: Article
Language:English
Published: Trans Tech Publications 2014
Subjects:
Drilling
MQL
Point angle
Surface integrity
Ti-6Al-4V
Online Access:http://dspace.unimap.edu.my:80/dspace/handle/123456789/33527
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id my.unimap-33527
record_format dspace
spelling my.unimap-335272014-04-08T06:52:31Z Effect of drill point angle on surface integrity when drilling titanium alloy Muhamad Nasir, Murad Safian, Sharif Erween, Abd Rahim, Prof. Madya Dr. Rival mnasir@unimap.edu.my sapian@fkm.utm.my erween@uthm.edu.my rival_coe@yahoo.com Drilling MQL Point angle Surface integrity Ti-6Al-4V Link to publisher's homepage at http://www.ttp.net/ Surface integrity of machined component is of major importance for the reliability and safety requirements during in service especially for the aerospace applications. This paper presents an investigation on the effect of drill geometry on the surface integrity of drilled hole of Ti-6AL-4V during drilling operation. Drilling experiments were conducted under the MQL using a special vegetable oil known as Jatropha oil. Experimental results revealed that drill point angle and coolant-lubricant conditions significantly influence the surface integrity which include surface roughness, micorhardness and microstructure defects. The surface roughness decreased with greater drill point angle. The subsurface deformation layer thickness was approximately 9 - 15 μm from the top of the machined surface. Microhardness profiles of the last hole indicated that the subsurface deformation extend up to a 150 to 200 μm until it reaches to the average hardness. 2014-04-08T06:52:31Z 2014-04-08T06:52:31Z 2014 Article Advanced Materials Research, vol.845, 2014, pages 966-970 1662-8985 http://dspace.unimap.edu.my:80/dspace/handle/123456789/33527 www.scientific.net/AMR.845.966 10.4028/www.scientific.net/AMR.845.966 en Trans Tech Publications
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Drilling
MQL
Point angle
Surface integrity
Ti-6Al-4V
spellingShingle Drilling
MQL
Point angle
Surface integrity
Ti-6Al-4V
Muhamad Nasir, Murad
Safian, Sharif
Erween, Abd Rahim, Prof. Madya Dr.
Rival
Effect of drill point angle on surface integrity when drilling titanium alloy
description Link to publisher's homepage at http://www.ttp.net/
author2 mnasir@unimap.edu.my
author_facet mnasir@unimap.edu.my
Muhamad Nasir, Murad
Safian, Sharif
Erween, Abd Rahim, Prof. Madya Dr.
Rival
format Article
author Muhamad Nasir, Murad
Safian, Sharif
Erween, Abd Rahim, Prof. Madya Dr.
Rival
author_sort Muhamad Nasir, Murad
title Effect of drill point angle on surface integrity when drilling titanium alloy
title_short Effect of drill point angle on surface integrity when drilling titanium alloy
title_full Effect of drill point angle on surface integrity when drilling titanium alloy
title_fullStr Effect of drill point angle on surface integrity when drilling titanium alloy
title_full_unstemmed Effect of drill point angle on surface integrity when drilling titanium alloy
title_sort effect of drill point angle on surface integrity when drilling titanium alloy
publisher Trans Tech Publications
publishDate 2014
url http://dspace.unimap.edu.my:80/dspace/handle/123456789/33527
_version_ 1643797200921165824
score 13.214268

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