NDLI: Strengthening and Room Temperature Age-Softening of Super-Light Mg-Li Alloys

Content Provider	Springer Nature Link
Author	Leu, Jyh Shyan Chiang, Chih Te Lee, Shyong Chen, Yung Hung Chu, Chun Lin
Copyright Year	2010
Abstract	Extremely light (density ~1.46 g/cm$^{3}$) and highly formable Mg-Li alloys have been drawing research interest; however, their relatively low strength is discouraging, and thus, an issue to be addressed. This paper processes and evaluates four Mg-Li alloys: the first, a basic alloy with a nominal composition of Mg-11%Li-1%Al-0.5%Zn; the second, an alloy with only Be added to the first; the third, an alloy with only Sc added to the first; and the fourth, with both Be and Sc added to the first. This research achieves a high strength of ~240 MPa for Mg-Li alloys using the processes of solid solution treatment plus 90% heavy rolling. A subsequent natural aging process proceeded spontaneously and resulted in strength decay. Room temperature softening behavior is uncommon, but offers a convenient route for studying age-softening characteristics of metallic alloys.
Starting Page	1235
Ending Page	1239
Page Count	5
File Format	PDF
ISSN	10599495
Journal	Journal of Materials Engineering and Performance
Volume Number	19
Issue Number	9
e-ISSN	15441024
Language	English
Publisher	Springer US
Publisher Date	2010-02-23
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	heat treating non-ferrous metals rolling Engineering Design Quality Control, Reliability, Safety and Risk Tribology, Corrosion and Coatings Materials Science Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Materials Science Mechanical Engineering

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