Metal injection moulding of ZK60 magnesium alloy powder using palm stearin based binder system
This paper presents a new fabrication process for producing magnesium alloy components via metal injection moulding (MIM). Here, four kind of feedstock with 62, 64, 66 and 68% powder loading were prepared by a mixture of gas atomized ZK60 magnesium alloy powder with a resin consisting of palm steari...
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| Main Authors: | , , , , |
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| Format: | Article |
| Published: |
Scientific.Net
2012
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| Subjects: | |
| Online Access: | http://eprints.utm.my/id/eprint/47204/ http://dx.doi.org/10.4028/www.scientific.net/AMR.445.374 |
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| Summary: | This paper presents a new fabrication process for producing magnesium alloy components via metal injection moulding (MIM). Here, four kind of feedstock with 62, 64, 66 and 68% powder loading were prepared by a mixture of gas atomized ZK60 magnesium alloy powder with a resin consisting of palm stearin and low density polyethylene. The rheological investigation of the feedstock was carried out and the optimal powder loading was determined. The optimal powder loading feedstock was then injected by screw type injection moulding machine. The effects of injection moulding parameters on the physical and mechanical properties of green compacts were evaluated. The results showed that injection moulding of a feedstock containing 64% magnesium alloy was possible at high barrel temperature and pressure. |
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