OPTIMISING GRAIN REFINEMENT
The Opticast System is a unique technology and methodology for the in-line control and optimisation of grain refinement.
In conjunction with Optifine it has been successfully adopted into routine production at many aluminium plants worldwide where it is reducing costs and increasing quality.
In the Opticast system calibration is an important step to determine how a specific alloy responds to addition of fresh nuclei via the grain refining rod. This involves establishing the equations for grain refinement curves of Optifine and commercial TiBAl grain refiners and generating data such as in the graph shown for an AA 6060 alloy.
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