Rapidly solidified Mg-Al-Zn-rare earth alloys
Among the light metal alloys, magnesium is the lightest structural material except for beryllium, and yet magnesium alloys have not seen extensive use because of their poor strength and corrosion resistance. Rapid solidification technology offers a possible solution to these problems. A number of Mg-Al-Zn alloys containing rare earth (RE) elements (e.g. Ce, Pr, Y, and Nd) have been investigated using rapid solidification processing for possible structural applications. The processing consists of planar flow or jet casting into ribbons, pulverization of ribbon to powder, and consolidation of powder into bulk shapes. The mechanical properties of some of these alloys show attractive combinations of strength, ductility and corrosion resistance. The microstructures of these alloys are correlated with their mechanical properties. The rapidly solidified Mg-Al-Zn-RE alloys show great potential for applications in automotive and aerospace industries. 7 references.
- Research Organization:
- Allied-Signal, Inc., Morristown, NJ (USA)
- OSTI ID:
- 5370906
- Journal Information:
- J. Mater. Eng.; (United States), Journal Name: J. Mater. Eng.; (United States) Vol. 9:2; ISSN JMAEE
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
360101* -- Metals & Alloys-- Preparation & Fabrication
360102 -- Metals & Alloys-- Structure & Phase Studies
360103 -- Metals & Alloys-- Mechanical Properties
ALLOYS
ALUMINIUM ALLOYS
CORROSION RESISTANCE
CRYSTAL STRUCTURE
FABRICATION
MAGNESIUM ALLOYS
MECHANICAL PROPERTIES
MICROSTRUCTURE
PHASE TRANSFORMATIONS
RARE EARTH ALLOYS
SOLIDIFICATION
USES
ZINC ALLOYS