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Recycling Technology Guidelines of MRI Die Casting Alloys
Technical Paper
2008-01-0376
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Creep-resistant HPDC alloys MRI153M and MRI230D are designated to replace HPDC aluminum alloys in the production of different automotive and non-automotive components. Due to the specific chemical compositions of the MRI alloys; they contain alkaline elements (Ca, Sr) with high affinity to Cl ions, fluxless technology must be used for recycling
The present paper describes an technology which was developed for recycling MRI alloys. This technology combines simultaneous bubbling and stirring during batch processing. This operation is performed in order to improve metal cleanliness and reduce the process duration, thereby increasing its efficiency. The mechanical properties of recycled alloys were tested and compared with those of primary alloys.
The influence of clean scrap dilution with primary material was also explored. The results obtained illustrate a moderate influence of scrap addition on mechanical properties. This effect should be considered for a wide range of die cast components production.
The paper also presents guidelines for MRI alloys scrap handling and recycling.
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Citation
Gertsberg, G., Yosef, O., Bronfin, B., Fantetti, N. et al., "Recycling Technology Guidelines of MRI Die Casting Alloys," SAE Technical Paper 2008-01-0376, 2008, https://doi.org/10.4271/2008-01-0376.Also In
References
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