Eighth International Conference on Internal Friction and Ultrasonic Attenuation in Solids

J. Phys. Colloques 46 (1985) C10-413-C10-416
DOI: 10.1051/jphyscol:19851093

LOW-FREQUENCY INTERNAL FRICTION OF As-CAST MANGANESE-COPPER ALLOYS

WEN YITING, XIE CUNYI and CHEN HUI

Institute of Solid State Physics, Academia Sinica, Hefei, China

Abstract
Low-frequency internal friction and elastic modulus were studied for cast manganes-copper alloys with Mn-content from 60 to 90%. Transformation peak and relaxation peak (due to twin boundaries) were observed for all the cast alloys in the temperature range from -150 to 300°C. The results are compared with those of homogenized specimens.

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