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Abrasive wear failure analysis of tungsten carbide hard facing on carbon steel blade

Mohd Tobi, A. L. and Kamdi, Z. and Ismail, M. I. and Nagentrau, M. and Roslan, L. N. H. and Mohamad, Z. and Omar, A. S. and Abdul Latif, N. (2017) Abrasive wear failure analysis of tungsten carbide hard facing on carbon steel blade. IOP Conf. Series: Materials Science and Engineering, 165 (012020). pp. 1-9. ISSN 17578981


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This study investigate the abrasive wear failure of tungsten carbide hardfacing on continuous digester (CD) blade (carbon steel) in an environment of sulphuric acid and ilmenite ore mixture. Comparison being made on the hardness, thickness and microstructural of the hardfacing between unworn and 3 months old worn blade on few locations around the blade. The cross sections of the blade revealed non-uniform coverage of the hardfacing on the blade for both worn and unworn blade. The edge of the blade has the least amount of hardfacing thickness which with time acts as the point of failure during the wear process. The hardness obtained from both the unworn and worn samples are around 25% lower from the hardfacing electrode manufacturer’s hardness specification. Microstructural micrograph analysis of the hardfacing revealed non uniform size carbide with non-uniform distributed of carbide in the hardfacing layer.

Item Type: Article
Subjects: T Technology > TS Manufactures > TS200-770 Metal manufactures. Metalworking
Divisions: Faculty of Engineering Technology > Department of Mechanical Engineering Technology
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 11 Oct 2018 03:39
Last Modified: 11 Oct 2018 03:39
URI: http://eprints.uthm.edu.my/id/eprint/10475
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