HOW TO ACHIEVE OPTIMAL MELT CONTROL IN NON-FERROUS WITH OES ANALYSIS
INTRODUCTION
2016 saw global casting production hit around 104,4 million tonnes. Grey, ductile and malleable iron makes up 70% of all castings, with the remaining 30% comprising steel castings and non-ferrous metal castings, such as aluminium, copper, zinc, magnesium and others. Of the roughly 50,000 foundries around the world, approximately 12,000 produce non-ferrous metal.
These foundries rely on optical emission spectrometry (OES) in production control throughout the melting process. The exact chemical composition of the alloy being manufactured needs to be checked throughout the melt process to ensure the quality of the finished product meets specification.
In non-ferrous production, this has traditionally been a costly undertaking requiring multiple processes. However today’s OES technology is primed to deliver accurate and reliable one-step quality control throughout the process. In this guide we explain how this can be achieved.
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