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Application of laser optical displacement sensor for analysis of metal stream solidification surface profile in mould channel

Mutwil J., Janowski R.

Archives of Foundry Engineering

2008

Vol. 8, iss. 3s

63--68

An experimental set-up elaborated for measurement of solidification surface profile of metal stream flowing in a mould channel has been described. The mentioned solidification surface profile is measured on solidified shells obtained by using of so-called remove remainder test. As measurement result one obtains a line showing shells thickness distribution along their length. For shells thickness measurements a laser optical displacement sensor has been used. Using of the laser sensor allows also to observe the solidification profile line in micro- scale. Exemplary measurement results have been presented for Al-Si binary alloys.