Microstructural evolution of an elastostatically compressed amorphous alloy and its influence on the mechanical properties

SC Lee, CM Lee, JW Yang, JC Lee - Scripta Materialia, 2008 - Elsevier
This paper discusses whether or not permanent deformation occurs even at a stress level
below the yield strength. The application of an elastostatic stress causes deformation on an …

Irreversible structural change induced by elastostatic stress imposed on an amorphous alloy and its influence on the mechanical properties

SJ Lee, BG Yoo, JI Jang, JC Lee - Metals and Materials International, 2008 - Springer
The elastic deformation behaviors of bulk amorphous alloys during elastostatic compression
were examined. Depending on the alloy deformation characteristics, the elasticity of …

A methodology of enhancing the plasticity of amorphous alloys: Elastostatic compression at room temperature

KW Park, CM Lee, HJ Kim, JH Lee, JC Lee - Materials Science and …, 2009 - Elsevier
This study demonstrates that prolonged elastostatic compression imposed on amorphous
alloys at room temperature induces permanent (homogeneous) deformation associated with …

Structural disordering process of an amorphous alloy driven by the elastostatic compression at room temperature

SC Lee, CM Lee, JC Lee, HJ Kim, Y Shibutani… - Applied Physics …, 2008 - pubs.aip.org
This study demonstrates that permanent deformation results when an amorphous alloy is
subjected to a stress below yield at room temperature. The resultant deformation was …

Homogeneous deformation of bulk amorphous alloys during elastostatic compression and its packing density dependence

KW Park, CM Lee, M Wakeda, Y Shibutani, E Fleury… - Scripta Materialia, 2008 - Elsevier
This study demonstrates that preloading via the elastostatic compression of amorphous
alloys at room temperature causes permanent deformation, the degree of which was …

Effect of the atomic packing density on the structural change rate of amorphous alloys under elastostatic stress

KW Park, M Wakeda, Y Shibutani, E Fleury… - Metals and Materials …, 2008 - Springer
This study deals with the fundamental issue of whether the atomistic-scale structure of
amorphous alloys can be altered by the application of elastic stress. The prolonged …

Shear localization and the plasticity of bulk amorphous alloys

KW Park, Y Shibutani, ML Falk, BJ Lee, JC Lee - Scripta Materialia, 2010 - Elsevier
We explore the microstructural aspects of alloys that affect structural disordering,
deformation-induced softening and shear localization during homogeneous deformation, in …

Structural heterogeneities and mechanical behavior of amorphous alloys

JC Qiao, Q Wang, JM Pelletier, H Kato… - Progress in Materials …, 2019 - Elsevier
Although the atomic structure of amorphous alloys, which lacks long-range translational
symmetry, may appear homogeneous at the macroscopic scale, their local dynamic and/or …

Cryogenic temperature plasticity of a bulk amorphous alloy

KS Yoon, M Lee, E Fleury, JC Lee - Acta materialia, 2010 - Elsevier
Unlike crystalline alloys, bulk amorphous alloys exhibit a significantly enhanced plastic
strain when tested at cryogenic temperatures. It was observed that both the retarded band …

Quasi-static constitutive behavior of Zr41. 25Ti13. 75Ni10Cu12. 5Be22. 5 bulk amorphous alloys

HA Bruck, T Christman, AJ Rosakis… - Scripta Metallurgica et …, 1994 - Elsevier
Mechanical tests have been performed on bulk amorphous metal alloys to determine their
constitutive behavior. Based on the experimental results, it appears that amorphous metal …