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Plasma Arc Melting: Instrumentation, Analysis & Understanding

Researcher: Helen Holst

Supervisor: Dr. R.M. Ward

 

This project looks at how detailed knowledge of both the material properties and the plasma process are needed to understand how inclusions move through the hearth and how the homogenisation in the hearth is improved.

In the short term success will be achieved when the distribution of current and heat density from a plasma torch has been measured and the extent to which radiation is given off the plasma plume is ascertained.  In the long term it is hoped to be able to demonstrate that models of plasma melting are made more accurate by using boundary conditions and material data from this work. This is to consistently produce ingots with increased homogeneity and low inclusion content.

 

 

  

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