Ahmad Redza, Ahmad Mokhtar (2012) Deposition of high hardness coating by low power atmospheric pressure microwave plasma spray and the characteristics evaluations. Masters thesis, Toyohashi University of Technology (Contributors, UNSPECIFIED: UNSPECIFIED).
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Abstract
Atmospheric microwave discharge easily generates plasma at a microwave power of not more than 1kw. Low power atmospheric pressure plasma spraying expects promising way to deposit coatings with reduced micro structural change. In the research findings, we investigated that by 1.0kW of input power, it is possible to generate about 4000 K plasma for the deposition of metal and ceramics coatings by microwave plasma spray. Moreover, low power atmospheric pressure microwave plasma spray is also expected as a promising way to deposit coatings onto heat susceptible substrates such as high carbon steel and CFRP (carbon fiber reinforced plastic). In this research, low power microwave plasma spraying system under the atmospheric pressure was studied. The substrate temperature during spraying, particle velocity and the thermal efficiency of plasma was measured as the operational characteristics of the system. Furthermore, high hardness coatings were deposited with metallic (Cr) and ceramics (Al203) materials onto heat susceptible substrates. The characteristics of the coatings obtained by this research were evaluated.
| Item Type: | Thesis (Masters) |
|---|---|
| Additional Information: | Thesis (Master of Mechanical Engineering) -- Toyohashi University of Technology – 2012 |
| Uncontrolled Keywords: | Coating process Microwave plasmas |
| Subjects: | T Technology > TS Manufactures |
| Faculty/Division: | Faculty of Mechanical Engineering |
| Depositing User: | nurudin nasir |
| Date Deposited: | 15 Dec 2014 03:08 |
| Last Modified: | 18 Aug 2021 04:54 |
| URI: | http://umpir.ump.edu.my/id/eprint/7637 |
| Download Statistic: | View Download Statistics |
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