Surface modification by EDM using Co-Cr sintered powder metallurgy electrode
In this investigation, the powder metallurgy (PM) electrode developed from cobalt (Co)and chromium (Cr) powders was used in electrical discharge machining (EDM). This new Co-Cr sintered electrode was used to machine mild steel workpiece with kerosene dielectric fluid. The main objective is to modif...
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2012
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my.iium.irep.256692014-07-10T02:58:12Z http://irep.iium.edu.my/25669/ Surface modification by EDM using Co-Cr sintered powder metallurgy electrode Khan, Ahsan Ali Mohammed , Baba Ndaliman Ali, Mohammad Yeakub Mansor, Mas Hafizah Idrus, Nurul-Ain TS200 Metal manufactures. Metalworking In this investigation, the powder metallurgy (PM) electrode developed from cobalt (Co)and chromium (Cr) powders was used in electrical discharge machining (EDM). This new Co-Cr sintered electrode was used to machine mild steel workpiece with kerosene dielectric fluid. The main objective is to modify its surface characteristics and secure increased surface hardness. The EDM variables of peak current, pulse duration and pulse interval were applied to investigate these surface properties. Scanning electron microscopy (SEM) / energy dispersive X-ray (EDX)spectroscopy analysis confirmed migration of electrode materials (Co and Cr) onto the EDMed surface. Improved hardness was obtained on the mild steel, the highest being 85.3 HRB. Thus, the Co-Cr electrode introduced into the EDM has the capability of modifying the mild steel surface. Trans Tech Publications, Switzerland 2012 Article REM application/pdf en http://irep.iium.edu.my/25669/1/56-59.pdf Khan, Ahsan Ali and Mohammed , Baba Ndaliman and Ali, Mohammad Yeakub and Mansor, Mas Hafizah and Idrus, Nurul-Ain (2012) Surface modification by EDM using Co-Cr sintered powder metallurgy electrode. Advanced Materials Research, 576. pp. 56-59. ISSN 1022-6680 http://www.ttp.net/1022-6680.html 10.4028/www.scientific.net/AMR.576.56 |
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TS200 Metal manufactures. Metalworking Khan, Ahsan Ali Mohammed , Baba Ndaliman Ali, Mohammad Yeakub Mansor, Mas Hafizah Idrus, Nurul-Ain Surface modification by EDM using Co-Cr sintered powder metallurgy electrode |
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In this investigation, the powder metallurgy (PM) electrode developed from cobalt (Co)and chromium (Cr) powders was used in electrical discharge machining (EDM). This new Co-Cr
sintered electrode was used to machine mild steel workpiece with kerosene dielectric fluid. The main objective is to modify its surface characteristics and secure increased surface hardness. The EDM variables of peak current, pulse duration and pulse interval were applied to investigate these surface properties. Scanning electron microscopy (SEM) / energy dispersive X-ray (EDX)spectroscopy analysis confirmed migration of electrode materials (Co and Cr) onto the EDMed surface. Improved hardness was obtained on the mild steel, the highest being 85.3 HRB. Thus, the Co-Cr electrode introduced into the EDM has the capability of modifying the mild steel surface. |
format |
Article |
author |
Khan, Ahsan Ali Mohammed , Baba Ndaliman Ali, Mohammad Yeakub Mansor, Mas Hafizah Idrus, Nurul-Ain |
author_facet |
Khan, Ahsan Ali Mohammed , Baba Ndaliman Ali, Mohammad Yeakub Mansor, Mas Hafizah Idrus, Nurul-Ain |
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Khan, Ahsan Ali |
title |
Surface modification by EDM using Co-Cr sintered powder metallurgy electrode |
title_short |
Surface modification by EDM using Co-Cr sintered powder metallurgy electrode |
title_full |
Surface modification by EDM using Co-Cr sintered powder metallurgy electrode |
title_fullStr |
Surface modification by EDM using Co-Cr sintered powder metallurgy electrode |
title_full_unstemmed |
Surface modification by EDM using Co-Cr sintered powder metallurgy electrode |
title_sort |
surface modification by edm using co-cr sintered powder metallurgy electrode |
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Trans Tech Publications, Switzerland |
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2012 |
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http://irep.iium.edu.my/25669/1/56-59.pdf http://irep.iium.edu.my/25669/ http://www.ttp.net/1022-6680.html |
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