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Deformation Induced Dilatations and New Observations on Fracture In Compression in Metallic Glasses at Low Temperatures

Published online by Cambridge University Press:  15 February 2011

Janez Megusar ,
Ali S. Argon  and
Nicholas J. Grant
Janez Megusar
Affiliation:
Massachusetts Institute of Technology, Cambridge, Mass. 2139, USA
Ali S. Argon
Affiliation:
Massachusetts Institute of Technology, Cambridge, Mass. 2139, USA
Nicholas J. Grant
Affiliation:
Massachusetts Institute of Technology, Cambridge, Mass. 2139, USA
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Abstract

Deformation induced dilatations were measured on a Pd-Cu-Si glass by a differential dilatometric method during crystallization. At large pre-strains, these dilatations are large and of the order of 20%. Fracture surfaces of specimens in compression show either the characteristic features of tensile separation or evidence for repeated nucleation of fracture. Rubbing was observed only in a small fraction of a fracture surface.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 8 , 1981 , 283
Copyright
Copyright © Materials Research Society 1982

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References

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