1995
DOI: 10.1007/bf02654014
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Solid electrolyte sensor for measuring magnesium in molten aluminum

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Cited by 14 publications
(14 citation statements)
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“…In the process the molten chlorides must be contained within a porous crucible, but this complicates the sensor design. This has led to solid electrolyte-based sensors, which have a simple design, being used to monitor magnesium levels in molten aluminum [133,444]. Figure 13.33 shows the output of one such sensor to be in excellent agreement with the outputs of molten chloride-based sensors [133,[448][449][450].…”
Section: Log Current (A)mentioning
confidence: 96%
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“…In the process the molten chlorides must be contained within a porous crucible, but this complicates the sensor design. This has led to solid electrolyte-based sensors, which have a simple design, being used to monitor magnesium levels in molten aluminum [133,444]. Figure 13.33 shows the output of one such sensor to be in excellent agreement with the outputs of molten chloride-based sensors [133,[448][449][450].…”
Section: Log Current (A)mentioning
confidence: 96%
“…One advantage of this approach is that b alumina remains a pure ionic conductor to very low oxygen partial pressures. A similar approach has been used with the fluoride ion-conducting electrolytes MgF 2 [133] and LaF 3 [134] in sensors for measuring the concentrations of magnesium and lanthanum, respectively, in molten aluminum.…”
Section: Auxiliary Electrodesmentioning
confidence: 99%
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“…Electrochemical magnesium sensors for use in molten aluminum alloys have been developed using three different electrolyte materials: molten chloride,2,6,7 solid magnesium fluoride, 8 and solid W'-alumina. 9 Regardless of the electrolyte used, the sensor is a cylindrical tube (approximately 1 cm in diameter) that is inserted directly into the molten metal as shown in Figure 1.…”
Section: Electrochemical Magnesium Sensorsmentioning
confidence: 99%
“…It is therefore important to take counteractive measures for correcting these undesired changes, but the effectiveness of these corrective measures requires real-time information on the chemical composition of the alloy and the surrounding atmosphere. So far, the control of the abovementioned thermodynamic activity and measurement of the coefficients of oxygen diffusion in melts have been implemented by use of solid electrolyte sensors [6][7][8][9][10]. ZrO 2 [8] and HfO2 [11[ polycrystalline electrolytes or single crystals have been the most widely used solid electrolytes for these sensors.…”
Section: Introductionmentioning
confidence: 99%