Puteh, Nur Syakirah (2019) Influence Of Ball To Powder Ratio And Heat Treatment Process On The Properties Of Electrodeposited Nickel-Quarry Dust Composite Coating. Project Report. UTeM, Melaka, Malaysia. (Submitted)
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Abstract
The aim of this study is to evaluate the mechanical properties and study the influence of ball to powder weight ratio in ball milling process on the properties of electrodeposited nickel-quarry dust composite coating. In this study, high speed steels (HSS) was used as a substrate. Quarry dust will be prepared and co-deposited onto high speed steel (HSS) substrate by using electrodeposition process. Quarry dust have been milled for various ball to powder weight ratio (BPR) in planetary ball milling. The HSS substrate was undergone mechanical and chemical pre-treatment prior to the electrodeposition process. The nickel modified Watt’s bath will be prepared. Next, electrodeposited nickel-quarry dusts composite coatings were performed for one hour and subsequent by heat treatment for harden the coatings. The influence of various ball to powder weight ratio on the surface morphology, elemental composition, surface roughness, crystal structure, wear and hardness properties will be studied. The composite coatings was characterized using scanning electron microscope (SEM), X-Ray Diffraction (XRD) and surface Roughness Tester. Then, the influence of various ball to powder weight ratio on the composite coatings was evaluated using hardness test and wear test. Ball to powder weight ratio gives effect on the reduction of particle size of quarry dust. The size of quarry dust almost same which was below 10 micronmeter for BPR 8:1, 10:1, 12:1, 14:1 and 16:1 while value particle size for as-received quarry dust was 210.063 micronmeter. The hardness of the electrodeposited nickel-quarry dust composite coating decreases about 10 °C when applying heat treatment.
| Item Type: | Final Year Project (Project Report) |
|---|---|
| Uncontrolled Keywords: | High-speed machining, Milling machinery, Ball mills |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Library > Final Year Project > FKP |
| Depositing User: | Sabariah Ismail |
| Date Deposited: | 04 Dec 2020 08:00 |
| Last Modified: | 19 Dec 2023 06:52 |
| URI: | http://digitalcollection.utem.edu.my/id/eprint/24872 |
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