Development of an index to quantify the addition recovery in light metals

CIM Bulletin, Vol. 95, No. 1062, 2002
S.A. Argyropoulos, M. Pekguleryuz
Abstract The recovery of additions in light metals is an important parameter influencing consistency of the finished product, which ultimately means cost. Recovery is a function of many parameters such as assimilation speed, addition density, addition practice, liquid metal processing conditions, etc. In liquid metal processing operations, it is desirable to have the maximum possible recovery at the shortest possible time. In this paper a new index will be presented, namely, the rate of recovery (RR). This index quantifies the addition recovery and introduces the time dimension in the recovery increase. As such, the RR equips the liquid metal practitioner with an accurate picture of addition assimilation in liquid metals. Results will be presented on how this index is applied to a variety of additions in liquid aluminum.
Keywords: Light metals, Additions, Recovery, Aluminum, Liquid aluminum, Alloys
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