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Abstract
Magnesium–lithium base alloy is one of the lightest metallic engineering materials with a density of 1·35–1·65 g cm−3, which is referred to as superlight materials. It has become an attractive material in the fields of aerospace, automobiles, portable electronics, etc. In this paper, the developing history and recent progress of superlight magnesium–lithium base alloys are reviewed. The progress on molten electrolysis preparation, processing technologies and surface processing technologies are introduced, and future research directions are suggested based on the current research progress.
Acknowledgement
This work was supported by the grants from NSFC (Nos. 51001034, 451171081, 51371062, 21173060, 91226201 and 21103033), the National High Technology Research and Development Program of China (863 Program) (No. 2011AA03A409), Heilongjiang Province Youth Skeleton Program (1252G018), Research Fund for the Doctoral Program of Higher Education (20132304110006), Project of Science and Technology of Heilongjiang Province Education Department (12511068), Harbin City Innovative Talents Research Special Program (2012RFXXG094), the Fundamental Research Funds for the Central Universities (HEUCFQ1416), Heilongjiang Province Natural Science Foundation (E201420) and Heilongjiang Postdoctoral Funds.