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1 Journal of Achievements in Materials and Manufacturing Engineering

1 2015

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EDS technique appliance for investigation of laser remelted and alloyed magnesium cast alloys

Konieczny J., Labisz K., Włodarczyk-Fligier A., Polok-Rubiniec M.

Journal of Achievements in Materials and Manufacturing Engineering

2015

Vol. 69, nr 2

59--63

Purpose: The paper presents the results of the qualitative and quantitative microanalysis of the chemical composition of the MgAl6Zn1 alloy. Design/methodology/approach: The magnesium alloy has been heat treatment at 505°C for 600 min and ageing at 170°C for 720 min. The study was performed on a transmission electron microscope FEI TITAN company operating at 300kV operating voltage. The qualitative and quantitative microanalysis of the chemical composition of the Mg alloy microareas was examined using EDS. Findings: Analysis of the results of the concentration of the main alloying elements in the separation test using various magnifications revealed that with an increase in the share of the magnification of the alloying elements. This increase is referred to a linear, the regression coefficient R2, depending on the test element is in the range 0.84-0.97. Practical implications: Tested MgAl6Zn1 alloy can be applied among the others in automotive industry but it requires additional researches. Originality/value: It was demonstrated that the lower magnesium concentration in the EDS results is connected with the increase of magnification induces an effect of X-rays scattering only from the analysed particles and the effect of Mg matrix is limited.