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Effects of cobalt addition and temperature on microstructure and density of w-25Cu composites prepared via liquid infiltration

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Main Authors: Hafed, Ibrahim, Azizan, Aziz, Azmi, Rahmat
Other Authors: hiia76@yahoo.com
Format: Article
Language:English
Published: Trans Tech Publications 2014
Subjects:
Densification
Microstructure
W-Cu composites
Online Access:http://dspace.unimap.edu.my:80/dspace/handle/123456789/32465
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spelling my.unimap-324652014-03-10T09:16:03Z Effects of cobalt addition and temperature on microstructure and density of w-25Cu composites prepared via liquid infiltration Hafed, Ibrahim Azizan, Aziz Azmi, Rahmat hiia76@yahoo.com azizan@eng.usm.my azmirahmat@unimap.edu.my Densification Microstructure W-Cu composites Link to publisher's homepage at http://www.ttp.net/ In this study, the effect of Co and sintering temperature on microstructure of W-25Cu composites prepared via copper melt infiltration has been investigated. The concentration of Co addition used ranged from 0.5 to 3wt. %. The infiltration temperatures were performed at 1150°C and 1250°C for 2 hr under vacuum. The microstructure and sintering density of W-25Cu composites are discussed. Results indicated that, the relative density (RD) and microstructure of W-25wt. % Cu were greatly affected by the addition of low Co concentration and sintering temperature. The concentration of 3 wt. % Co to tungsten-copper compact and infiltration temperature of 1250°C give high sintering density of 98.6% theoretical density (TD). The concentration of Co and infiltrating temperature have strong effects on the densification of W-Cu composite materials. The sintered compact microstructures and density were obtained using scanning electron microscope (SEM) coupled with EDX and Archimedes technique respectively. 2014-03-09T10:29:13Z 2014-03-09T10:29:13Z 2012-12 Article Advanced Materials Research, vol.626, 2012, pages 430-435 1662-8985 http://dspace.unimap.edu.my:80/dspace/handle/123456789/32465 http://www.scientific.net/AMR.626.430 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 Densification
Microstructure
W-Cu composites
spellingShingle Densification
Microstructure
W-Cu composites
Hafed, Ibrahim
Azizan, Aziz
Azmi, Rahmat
Effects of cobalt addition and temperature on microstructure and density of w-25Cu composites prepared via liquid infiltration
description Link to publisher's homepage at http://www.ttp.net/
author2 hiia76@yahoo.com
author_facet hiia76@yahoo.com
Hafed, Ibrahim
Azizan, Aziz
Azmi, Rahmat
format Article
author Hafed, Ibrahim
Azizan, Aziz
Azmi, Rahmat
author_sort Hafed, Ibrahim
title Effects of cobalt addition and temperature on microstructure and density of w-25Cu composites prepared via liquid infiltration
title_short Effects of cobalt addition and temperature on microstructure and density of w-25Cu composites prepared via liquid infiltration
title_full Effects of cobalt addition and temperature on microstructure and density of w-25Cu composites prepared via liquid infiltration
title_fullStr Effects of cobalt addition and temperature on microstructure and density of w-25Cu composites prepared via liquid infiltration
title_full_unstemmed Effects of cobalt addition and temperature on microstructure and density of w-25Cu composites prepared via liquid infiltration
title_sort effects of cobalt addition and temperature on microstructure and density of w-25cu composites prepared via liquid infiltration
publisher Trans Tech Publications
publishDate 2014
url http://dspace.unimap.edu.my:80/dspace/handle/123456789/32465
_version_ 1643796909179011072
score 13.222552

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