Hot Chamber Diecasting of Magnesium Alloy AM50A for Automotive Interior Structural Components

Jacques, Richard P.; DasGupta, Rathindra; Shearouse, James D.

doi:10.4271/960416

Cited by 2 publications

(1 citation statement)

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“…As the lightest structural metal material, magnesium has been widely used in various domains such as aviation [1] , automobile [2][3][4][5][6][7] , electronic [s] , mobile communication [9'1°] and metallurgy[n. 12]. The production of metal magnesium includes two methods, i. e., thermal reducing process and electrolytic process [13'14] The thermal reducing process consumes much energy, while the electrolytic process with the low energy consumption is a prospective method to obtain the metal magnesium.…”

Section: Introductionmentioning

confidence: 99%

Preparation and characteristic research of anhydrous magnesium chloride with dehydrated ammonium carnallite

Zhou

Chen

et al. 2006

J Cent. South Univ. Technol.

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Taking the saline lake bischofite and NH4C1 that was removed with the ammonia method and continuously followed by filtration as raw materials with a molar ratio of 1 ". 1 of MgClz to NH4C1, ammonium carnallite was synthesized. And then the ammonium carnallite was dehydrated to some extent at 160 *C for 4 h. Ammonium carnallite reacted with ammonia at 240 *C for 150 rain and the ammonation ammonium carnallite was produced. Finally, the ammonation ammonium carnallite was calcined at 750 °C into anhydrous magnesium chloride containing only 0.1~ (mass fraction) of MgO. On the other hand, dehydrated ammonium carnallite was mixed with the solid ammonium chloride at mass ratio 1 ." 4 at high temperature and with the differential pressure of NH3 above 30.5 kPa. The dehydrated ammonium carnallite of mixture was dehydrated at 410 °C, and then calcined at 700 °C into anhydrous magnesium chloride with only 0. 087% (mass fraction) of MgO. X-ray diffraction and electron microscopy analysis results prove that anhydrous magnesium chloride obtained by both methods hasn't mixed phases, the particle is large and even has good dispersion, which is suitable for preparation of metal magnesium in the electrolysis.

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