Manufacture, Characteristics and Uses of Magnesium Castings 380123
OUTSTANDING characteristics of magnesium castings are light weight and excellent machinability. Production has increased from about 10,000 lb. in 1925 to approximately 800,000 lb. in 1936. Differences in foundry methods from those practiced for other common metals are pointed out. The mechanical properties are specified, and inspection methods are described. Suggestions are given for proper design of castings.
Machining methods and tool design suitable for obtaining the smooth finish, the speeds, and economies that are possible for magnesium-alloy castings are described. Careful painting under approved methods is recommended. Applications of magnesium castings for many parts of aircraft engines, for parts in the fuselage, and in such accessories as aircraft landing wheels and starters are listed, along with other typical applications.