Influence of Cobalt on the Properties of Load-Sensitive Magnesium Alloys
AbstractIn this study, magnesium is alloyed with varying amounts of the ferromagnetic alloying element cobalt in order to obtain lightweight load-sensitive materials with sensory properties which allow an online-monitoring of mechanical forces applied to components made from Mg-Co alloys. An optimized casting process with the use of extruded Mg-Co powder rods is utilized which enables the production of magnetic magnesium alloys with a reproducible Co concentration. The efficiency of the casting process is confirmed by SEM analyses. Microstructures and Co-rich precipitations of various Mg-Co alloys are investigated by means of EDS and XRD analyses. The Mg-Co alloys’ mechanical strengths are determined by tensile tests. Magnetic properties of the Mg-Co sensor alloys depending on the cobalt content and the acting mechanical load are measured utilizing the harmonic analysis of eddy-current signals. Within the scope of this work, the influence of the element cobalt on magnesium is investigated in detail and an optimal cobalt concentration is defined based on the performed examinations.
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Klose, C.; Demminger, C.; Mroz, G.; Reimche, W.; Bach, F.-W.; Maier, H.J.; Kerber, K. Influence of Cobalt on the Properties of Load-Sensitive Magnesium Alloys. Sensors 2013, 13, 106-118.
Klose C, Demminger C, Mroz G, Reimche W, Bach F-W, Maier HJ, Kerber K. Influence of Cobalt on the Properties of Load-Sensitive Magnesium Alloys. Sensors. 2013; 13(1):106-118.Chicago/Turabian Style
Klose, Christian; Demminger, Christian; Mroz, Gregor; Reimche, Wilfried; Bach, Friedrich-Wilhelm; Maier, Hans J.; Kerber, Kai. 2013. "Influence of Cobalt on the Properties of Load-Sensitive Magnesium Alloys." Sensors 13, no. 1: 106-118.