Title

Observation of Shear Thickening During Compressive Flow of Mg₅₄Y₁₁Ag₇Cu₂₈ in the Supercooled Liquid Region

Abstract

Uniaxial compression tests of Mg54Y11Ag7Cu28 metallic glass were performed in the supercooled liquid region (SCLR) (468 K) at a strain rate range of 5 × 10−4 to 2 × 10−3 s−1. In the course of testing, shear thickening behavior was observed, where the magnitude of the peak stress increases with increasing initial strain rate. The deformation behavior of the glassy metal is discussed with emphasis on the commonly reported stress overshoot, strain softening behavior, and the previously unreported shear thickening behavior observed.

Department(s)

Materials Science and Engineering

Sponsor(s)

Air Force Research Laboratory (Wright-Patterson Air Force Base, Ohio)

Keywords and Phrases

SCLR; Shear Thickening Behavior; Supercooled Liquid Region

Library of Congress Subject Headings

Deformations (Mechanics)
Strains and stresses
Supercooled liquids

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2009 Springer Verlag, All rights reserved.


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