Superplastic metals
stretch to a new low
Metals can be stretched and molded
at temperatures hundreds of degrees lower than previously thought.
References:
McFadden, S.X. . . . and A.K. Mukherjee. 1999. Low-temperature superplasticity
in nanostructured nickel and metal alloys. Nature 398(April
22):684.
Sources:
David C. Dunand
Northwestern University
Materials Science and Engineering
1123 MLSB
2225 North Campus Drive
Evanston, IL 60208-3108
Web sites: http://www.nwu.edu/materials/faculty/dcd.html
and http://hotmetals.ms.nwu.edu/
Terence G. Langdon
University of Southern California
Departments of Materials Science and Mechanical Engineering
Los Angeles, CA 90089-1453
Web site: http://www.usc.edu/dept/materials_science/langdon.htm
Amiya K. Mukherjee
University of California, Davis
Department of Chemical Engineering and Materials Science
Davis, CA 95616
Web site: http://www.chms.ucdavis.edu/Department/WholeDepartmentFrame.html
From Science
News, Vol. 155, No. 17, April 24,
1999, p. 263. Copyright © 1999, Science Service.
