Idris, Mohd. Hasbullah and Jafari, Hassan and Ourdjini, Ali and Abdul Kadir, Mohammed Rafiq (2012) Effect of flux on in-situ melting shell investment casting of AZ91D magnesium alloy. In: International Conference on Thermal, Material and Mechanical Engineering (ICTMME'2012), 15-16 Jul 2012, Singapore.
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Abstract
In this research, the effect of flux on investment casting of AZ91D magnesium alloy using in-situ melting technique was investigated. AZ91D granules together with different flux percentages and applications were charged into shell investment moulds and heated at 750 °C in argon protected environment in order to produce AZ91D investment casting. Surface of castings and the occurred mould-metal reaction was analysed. It was found that application of flux together with the granules is essential to produce a solid investment cast alloy. The results showed that usage of flux mixed with the granules as well as covering the granules on top with a layer of it produced the higher surface quality casting. Microscopic examinations revealed that flux developed a barrier layer which reduced mould-metal reaction and contributed to an improved approach in magnesium alloys investment casting process
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Uncontrolled Keywords: | Flux, granules, AZ91D |
| Subjects: | Q Science > Q Science (General) |
| Divisions: | Mechanical Engineering |
| ID Code: | 34061 |
| Deposited By: | Liza Porijo |
| Deposited On: | 22 Aug 2017 01:47 |
| Last Modified: | 27 Sep 2017 02:00 |
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