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Erschienen in:
2016 | OriginalPaper | Buchkapitel
Clean Aluminum Processing: New Avenues for Measurement and Analysis
verfasst von : S. W. Hudson, D. Apelian
Erschienen in: Light Metals 2014
Verlag: Springer International Publishing
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Aluminum alloy castings are becoming commonplace in important and critical applications in the automotive and aerospace industries where materials failure is not an option. In order to meet such property demands, tight control over the cleanliness of the melt, namely, mitigation of inclusions and dissolved hydrogen must be achieved. Having a cleaner melt will yield sound castings with more reliable performance. In order to control cleanliness, it must first be well defined and measured. Very few techniques exist in industry that can quantitatively measure inclusion levels in-situ. In addition, there are no practical methods in which all quality detractors can be measured simultaneously. The use of laser-induced breakdown spectroscopy (LIBS) has shown promise as a technique to quantify all facets of quality in aluminum melts. Current progress of this work is presented and discussed.