Liew, Pay Jun and Yap, Ching Yee and Othman, Intan Sharhida and Abdollah, Mohd Fadzli and Yan, Jiwang (2021) Tribological Characteristics Of Electrical Discharge Coated Layers Using Quarry Dust Suspension. Surface and Coatings Technology, 428. pp. 1-9. ISSN 0257-8972
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2021 - TRIBOLOGICAL CHARACTERISTICS OF ELECTRICAL DISCHARGE COATED LAYERS USING QUARRY DUST SUSPENSION.PDF Restricted to Registered users only Download (2MB) |
Abstract
In this research, a coating layer was formed on the tungsten carbide cobalt (WC-Co) substrate surface by using electrical discharge coating (EDC) with waste quarry dust powder suspension. The tribological test was carried out by using a micro pin-on-disc tribometer at a constant normal load (10N) and sliding speed (5 mm/s). The surface roughness, Vickers micro-hardness, coefficient of friction (CoF), wear weight loss, wear scar depth and wear track morphology of the coating layer were investigated and compared with the original surface of the WC-Co substrate in this study. The results indicated that under coating conditions of 5 A of peak current (Ip) and 300 μs of pulse on time (Ton), the Vickers micro-hardness increased by 28%, and the surface roughness, CoF, wear weight loss, and wear scar depth of coating layer reduced by 29%, 61%, 79%, 63%, respectively compared with the original WC-Co substrate. These results demonstrated that the coating layers produced by EDC with quarry dust waste powder suspension had good wear resistance, which could be beneficial to the cutting tool, mold and die industries.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Electrical discharge coating (EDC), Quarry dust powder, Tribology, Tungsten carbide, Wear |
| Divisions: | Faculty of Manufacturing Engineering |
| Depositing User: | Sabariah Ismail |
| Date Deposited: | 28 Feb 2022 12:16 |
| Last Modified: | 28 Feb 2022 12:16 |
| URI: | http://eprints.utem.edu.my/id/eprint/25519 |
| Statistic Details: | View Download Statistic |
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