Abstract
Reviewing the magnesium alloys currently available to the aerospace industry, this paper examines their technical advantages and disadvantages. Alloys with improved ambient and elevated temperature capability to meet specific user requirements are described. High strength alloys with useful properties up to 570°F (299°C) are available. The adoption of resin bonded sands and the simultaneous development of techniques for producing longer and narrower cored passageways has enabled foundries to meet the requirements of the aerospace industries for larger, more complex castings. Further development of these techniques, along with improved melting and casting techniques, should enable thinner walled, closer tolerance castings which also feature weight saving advantages.
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