Effects of vanadium carbide on sintered WC-10%Co produced by micro-powder injection molding

Ultrafine, cemented tungsten carbide (WC) possesses exceptional hardness, wear resistance and high strength in various applications. In this study, WC was produced through micro powder injection molding (μPIM), which is also applicable for metals and ceramics in producing complex parts with high-dim...

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Main Authors:	Wong, Yee Ning, Norhamidi Muhamad, Abu Bakar Sulong, Abdolali Fayyaz, Muhammad Rafi Raza
Format:	Article
Language:	English
Published:	Universiti Kebangsaan Malaysia 2015
Online Access:	http://journalarticle.ukm.my/9048/ http://journalarticle.ukm.my/9048/ http://journalarticle.ukm.my/9048/1/14_Wong_Yee_Ning.pdf

id	ukm-9048
recordtype	eprints
spelling	ukm-90482016-12-14T06:48:49Z http://journalarticle.ukm.my/9048/ Effects of vanadium carbide on sintered WC-10%Co produced by micro-powder injection molding Wong, Yee Ning Norhamidi Muhamad, Abu Bakar Sulong, Abdolali Fayyaz, Muhammad Rafi Raza, Ultrafine, cemented tungsten carbide (WC) possesses exceptional hardness, wear resistance and high strength in various applications. In this study, WC was produced through micro powder injection molding (μPIM), which is also applicable for metals and ceramics in producing complex parts with high-dimensional accuracy. Different inhibitors, such as VC, Cr2C3, NbC, or TaC, were added to improve the mechanical properties of WC and control its grain growth. The effects of a grain growth inhibitor were investigated by adding VC in WC–10%Co–nVC, where n = 0 to 1.2 wt. %. The mechanical properties of the sintered part, such as hardness and flexural strength, were determined. The morphology and elemental distribution of the samples were studied by field emission scanning electron microscopy and energy-dispersive X-ray spectroscopy. X-ray diffraction was employed to study the phases of the obtained samples. The results showed that the sample with 0.4 wt. % VC (optimal amount) sintered at 1410°C exhibited the highest theoretical density, hardness and flexural strength of 95.2%, 1973±31 HV and 2586±172 MPa, respectively. The average grain size measured was 519±27 nm. VC acted as a grain growth inhibitor during sintering, thereby improving the mechanical properties. Universiti Kebangsaan Malaysia 2015-08 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/9048/1/14_Wong_Yee_Ning.pdf Wong, Yee Ning and Norhamidi Muhamad, and Abu Bakar Sulong, and Abdolali Fayyaz, and Muhammad Rafi Raza, (2015) Effects of vanadium carbide on sintered WC-10%Co produced by micro-powder injection molding. Sains Malaysiana, 44 (4). pp. 1175-1181. ISSN 0126-6039 http://www.ukm.my/jsm/english_journals/vol44num8_2015/contentsVol44num8_2015.html
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Kebangasaan Malaysia
building	UKM Institutional Repository
collection	Online Access
language	English
description	Ultrafine, cemented tungsten carbide (WC) possesses exceptional hardness, wear resistance and high strength in various applications. In this study, WC was produced through micro powder injection molding (μPIM), which is also applicable for metals and ceramics in producing complex parts with high-dimensional accuracy. Different inhibitors, such as VC, Cr2C3, NbC, or TaC, were added to improve the mechanical properties of WC and control its grain growth. The effects of a grain growth inhibitor were investigated by adding VC in WC–10%Co–nVC, where n = 0 to 1.2 wt. %. The mechanical properties of the sintered part, such as hardness and flexural strength, were determined. The morphology and elemental distribution of the samples were studied by field emission scanning electron microscopy and energy-dispersive X-ray spectroscopy. X-ray diffraction was employed to study the phases of the obtained samples. The results showed that the sample with 0.4 wt. % VC (optimal amount) sintered at 1410°C exhibited the highest theoretical density, hardness and flexural strength of 95.2%, 1973±31 HV and 2586±172 MPa, respectively. The average grain size measured was 519±27 nm. VC acted as a grain growth inhibitor during sintering, thereby improving the mechanical properties.
format	Article
author	Wong, Yee Ning Norhamidi Muhamad, Abu Bakar Sulong, Abdolali Fayyaz, Muhammad Rafi Raza,
spellingShingle	Wong, Yee Ning Norhamidi Muhamad, Abu Bakar Sulong, Abdolali Fayyaz, Muhammad Rafi Raza, Effects of vanadium carbide on sintered WC-10%Co produced by micro-powder injection molding
author_facet	Wong, Yee Ning Norhamidi Muhamad, Abu Bakar Sulong, Abdolali Fayyaz, Muhammad Rafi Raza,
author_sort	Wong, Yee Ning
title	Effects of vanadium carbide on sintered WC-10%Co produced by micro-powder injection molding
title_short	Effects of vanadium carbide on sintered WC-10%Co produced by micro-powder injection molding
title_full	Effects of vanadium carbide on sintered WC-10%Co produced by micro-powder injection molding
title_fullStr	Effects of vanadium carbide on sintered WC-10%Co produced by micro-powder injection molding
title_full_unstemmed	Effects of vanadium carbide on sintered WC-10%Co produced by micro-powder injection molding
title_sort	effects of vanadium carbide on sintered wc-10%co produced by micro-powder injection molding
publisher	Universiti Kebangsaan Malaysia
publishDate	2015
url	http://journalarticle.ukm.my/9048/ http://journalarticle.ukm.my/9048/ http://journalarticle.ukm.my/9048/1/14_Wong_Yee_Ning.pdf
first_indexed	2023-09-18T19:53:50Z
last_indexed	2023-09-18T19:53:50Z
_version_	1777406397090103296

Effects of vanadium carbide on sintered WC-10%Co produced by micro-powder injection molding

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