Tuesday 8 February 2011

Faster analysis of inclusions in aluminum

Thermo Fisher Scientific has an improved method for ultra-fast analysis of inclusions in aluminum using optical emission spectroscopy (OES). The method, which utilizes the Thermo Scientific Spark-DAT option, significantly enhances the capabilities of the Thermo Scientific ARL 4460 metals analyzer, offering a faster and more accurate alternative to existing methods of characterizing inclusions in aluminum.

Inclusions can affect the properties of aluminum, including mechanical strength, gas porosity, machinabilty, surface quality and fluidity, making their control vital in many cases. The Spark-DAT allows ultra-fast counting of inclusions and identification of their type in a few seconds, making it highly effective for controlling inclusions during aluminum production. Furthermore, when combining the inclusion analysis with the standard analysis in concentration, only a few seconds of additional time are necessary. This ability to obtain elemental analysis information and inclusion contents with a single OES instrument greatly reduces investment cost. Moreover the inclusion analysis is carried out under the same conditions as the regular elemental analysis. Sample surface preparation, instrument maintenance and consumables are unchanged compared to a standard OES instrument, ensuring very low operating cost.

The Spark-DAT option on the Thermo Scientific ARL 4460 Metals Analyzer increases the versatility of the spectrometer. From routine use to research, Spark-DAT provides a quick, simple and cost-effective solution for inclusion analysis in the aluminum industry. An application note has been developed to demonstrate the benefits of the Spark-DAT option.

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