By Horst Friedrich, Barry L. Mordike, Horst E. Friedrich, Barry Leslie Mordike
Magnesium, with a density of 1.74 g/cm², is the lightest structural steel and magnesium are more and more selected for weight-critical functions akin to in land-based delivery structures. "Magnesium know-how" considerably updates and enhances latest reference assets in this key fabric. It assembles overseas contributions from seven international locations protecting a variety of examine courses into new alloys with the considered necessary estate profiles, i.e., the present nation of either study and technological functions of magnesium. specifically, the foreign staff of authors covers key subject matters, corresponding to: casting and wrought alloys; fabrication tools; corrosion and safety; engineering standards and techniques, with examples from the auto, aerospace, and consumer-goods industries, and recycling. This authoritative reference and review addresses fabrics researchers in addition to layout engineers.
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Additional info for Magnesium Technology
Made dolomite from seawater magnesia and limestone. Process became too costly. Moved plant to China in a joint venture deal. 6. MEL built Pidgeon Process plant and it was not successful due to impurities in their dolomite deposit. 7. National Lead sold to Amax who sold to Renco. Plant was modified in 2001 by changing out NH type of cells in one building and installing a MagCorp developed cell, which seems to be doing very well. 1. Major magnesium projects since 1950 26 1 History 8. Magnesium electrolytic cells were not efficient, bought Russian cell technology, had environmental problems, fixed much of that, then evaporation ponds flooded, owner assassinated, sold out to MPLC.
Additional Pidgeon plants were built in Shanxi and Henan provinces. By 1997, the number of magnesium production plants using the Pidgeon process was over 200. Plant sizes varied from 100 to 3,000 tons per year. In 1995, Ube Industries announced that they would join two Japanese trading companies to form a joint venture for magnesium metal production in China. The joint venture was called Nanjing Hwahong Magnesium Industry Corporation and built a plant in Nanjing called Nanjing-Ube Magnesium Company.
After the Korean War and its related defense activities, production continued for a brief period to build a strategic stockpile. After the stockpile objective of 195,000 short tons was reduced to 165,000 short tons, production dropped each year until the 1960s. The US Government felt that there was a sufficient domestic supply of magnesium as new producers started into production, so the stockpiled magnesium metal was sold by auction starting in 1962 and continuing until 1978, when all of the stockpile had been sold.
Magnesium Technology by Horst Friedrich, Barry L. Mordike, Horst E. Friedrich, Barry Leslie Mordike