Recent growth in automotive applications of magnesium die cast alloys has made the refining and recycling of magnesium scrap a key issue for the automotive and magnesium industries, if growth is to continue. Today, with only a few exceptions, commercially refined and recycled alloy is produced using a variety of flux-based processes. However, fluxless refining, has been the focus of growing interest, particularly for the in-house refining of scrap by the die cast producers. This paper summarizes the results of a study conducted to better understand the behavior of non-metallic contaminants in scrap melts and the requirements for their separation, using argon sparging. Brightness measurements were used to experimentally determine the distribution of non-metallic contaminants within scrap melts both before and after argon treatment.
Separation of Non-Metallic Contaminants in Fluxless Melting and Refining of Magnesium Alloys
Sae Technical Papers
SAE 2000 World Congress ; 2000
2000-03-06
Aufsatz (Konferenz)
Englisch
Separation of non-metallic contaminants in fluxless melting and refining of magnesium alloy
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