首页|Understanding and Improving Chemical Capability in the Casthouse

Understanding and Improving Chemical Capability in the Casthouse

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An aluminium casthouse casts aluminium in charges (or drops)。These charges are made to particular customers’ orderedchemistry specification。 The ability for a casthouse to accuratelyand consistently produce charges inside the customers’specification is crucial for productivity。 In addition, it is importantthat a casthouse can accurately and consistently measure the realcomposition of each charge。In this paper the sources of uncertainty in the chemistry areclassified and discussed。 The use of a model to study sensitivitieson the predicted process capability (Cpk) from changes incharging accuracy, conditions during analysis, sampling andadjustment is demonstrated。 The model can be used as a tool toidentify improvement potentials。

chemical analysisOESprocess capability

K. Halse、A.L. Bowles

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Hydro Aluminium, R&D Centre Sunndals?ra, Norway

TMS annual meeting & exhibition;Technical session on light metal

Orlando, FL(US);Orlando, FL(US)

Light metals 2012.

p.983-987

2012