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Enhanced liquid-phase sintering of W–Cu composites by liquid infiltration

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Main Authors: Hafed, Ibrahim, Azizan, Aziz, Azmi, Rahmat
Format: Article
Language:English
Published: Elsevier 2014
Subjects:
W–Cu composites
Liquid-phase sintering
Liquid infiltration
Microstructure
Online Access:http://dspace.unimap.edu.my:80/dspace/handle/123456789/32772
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spelling my.unimap-327722014-03-15T02:42:49Z Enhanced liquid-phase sintering of W–Cu composites by liquid infiltration Hafed, Ibrahim Azizan, Aziz Azmi, Rahmat W–Cu composites Liquid-phase sintering Liquid infiltration Microstructure Link to publisher's homepage at http://www.elsevier.com Full-density of consolidated W–Cu composites produced via conventional sintering method is difficult to achieve. In this work, fully-dense W–Cu composites were developed via the combination of the liquid phase sintering (LPS) and the liquid infiltration (LI) methods, which hereinafter is named as Cu-MI technique. It operates at the low sintering temperature of 1150 °C, and maximum densification was possible without requiring a sintering activator such as Ni, Co or Fe. A comparison was also made between the sintering response of W–(13–27 wt.%) Cu composites consolidated using LPS and Cu-MI techniques. The samples were characterized using SEM, EDX and XRD. It was observed that the samples prepared via the Cu-MI method demonstrated a high relative density (> 99% theoretical density). Contrary to the composite sample prepared by the LPS method, the Cu-MI technique accounted for a homogeneous microstructure almost without any pores. The significance of this finding has major industrial implications and has potential to reduce the production costs of composite materials with improved mechanical and electrical properties. 2014-03-15T02:42:49Z 2014-03-15T02:42:49Z 2014-03 Article International Journal of Refractory Metals and Hard Materials, vol.43, 2014, pages 222–226 0263-4368 http://dspace.unimap.edu.my:80/dspace/handle/123456789/32772 http://www.sciencedirect.com/science/article/pii/S0263436813002564 http://dx.doi.org/10.1016/j.ijrmhm.2013.12.004 en Elsevier
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 W–Cu composites
Liquid-phase sintering
Liquid infiltration
Microstructure
spellingShingle W–Cu composites
Liquid-phase sintering
Liquid infiltration
Microstructure
Hafed, Ibrahim
Azizan, Aziz
Azmi, Rahmat
Enhanced liquid-phase sintering of W–Cu composites by liquid infiltration
description Link to publisher's homepage at http://www.elsevier.com
format Article
author Hafed, Ibrahim
Azizan, Aziz
Azmi, Rahmat
author_facet Hafed, Ibrahim
Azizan, Aziz
Azmi, Rahmat
author_sort Hafed, Ibrahim
title Enhanced liquid-phase sintering of W–Cu composites by liquid infiltration
title_short Enhanced liquid-phase sintering of W–Cu composites by liquid infiltration
title_full Enhanced liquid-phase sintering of W–Cu composites by liquid infiltration
title_fullStr Enhanced liquid-phase sintering of W–Cu composites by liquid infiltration
title_full_unstemmed Enhanced liquid-phase sintering of W–Cu composites by liquid infiltration
title_sort enhanced liquid-phase sintering of w–cu composites by liquid infiltration
publisher Elsevier
publishDate 2014
url http://dspace.unimap.edu.my:80/dspace/handle/123456789/32772
_version_ 1643796980650999808
score 13.214268

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