Determination of silicon and chromium content in gray cast iron by the Van der Pauw method
Keywords:Cast iron, Resistivity, Silicon content, Van der Pauw method
In this paper we show a system based on the resistivity measurement of samples of gray cast iron by the Van der Pauw method to calculate the silicon content in the samples. Twenty five trials have been carried out, studying resistive and metallographic characteristics of the samples. This has demonstrated that it is possible to obtain, by this method, the silicon content in molten flat with low content of alloying elements, also the content of chromium in series smelters where the rate of silicon remains constant.
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