Indentation of glasses

T Rouxel, J Jang, U Ramamurty - Progress in Materials Science, 2021 - Elsevier
Indentation, owing to its ability to induce permanent deformation in a controlled manner
even in highly brittle materials that are otherwise not amenable to critical mechanical testing …

Softening and dilatation in a single shear band

J Pan, Q Chen, L Liu, Y Li - Acta Materialia, 2011 - Elsevier
Shear band is the key feature that controls the plastic deformation process of metallic
glasses (MGs). However, the investigation directly on the shear band and its properties is …

Dynamic mechanical relaxation and thermal creep of high-entropy La30Ce30Ni10Al20Co10 bulk metallic glass

LT Zhang, YJ Duan, D Crespo, E Pineda… - Science China Physics …, 2021 - Springer
Dynamic mechanical relaxation is a fundamental tool to understand the mechanical and
physical properties of viscoelastic materials like glasses. Mechanical spectroscopy shows …

Indentation size effect and shear transformation zone size in a bulk metallic glass in two different structural states

IC Choi, Y Zhao, YJ Kim, BG Yoo, JY Suh… - Acta materialia, 2012 - Elsevier
The existence of an indentation size effect (ISE) in the onset of yield in a Zr-based bulk
metallic glass (BMG) is investigated by employing spherical-tip nanoindentation …

Evolution of shear bands, free volume and hardness during cold rolling of a Zr-based bulk metallic glass

M Stolpe, JJ Kruzic, R Busch - Acta materialia, 2014 - Elsevier
Two-dimensional cold rolling was performed on a bulk metallic glass (BMG) with
composition Zr 58.5 Cu 15.6 Ni 12.8 Al 10.3 Nb 2.8. The average shear band density …

Elastic, plastic, cracking aspects of the hardness of materials

RW Armstrong, WL Elban, SM Walley - International Journal of …, 2013 - World Scientific
The hardness properties of materials are tracked from early history until the present time.
Emphasis is placed on the hardness test being a useful probe for determining the local …

Long range stress fields and cavitation along a shear band in a metallic glass: The local origin of fracture

R Maass, P Birckigt, C Borchers, K Samwer, CA Volkert - Acta Materialia, 2015 - Elsevier
Nanomechanical properties along a single shear band in a Zr-based metallic glass were
studied. Spatial mapping of both indentation hardness and modulus reveal complex long …

A single shear band in a metallic glass: Local core and wide soft zone

R Maass, K Samwer, W Arnold, CA Volkert - Applied Physics Letters, 2014 - pubs.aip.org
Two dimensional mapping of structural properties near a single shear band in a Zr-based
bulk metallic glass reveals the presence of hardness and modulus reductions at a …

Shear band evolution and hardness change in cold-rolled bulk metallic glasses

JW Liu, QP Cao, LY Chen, XD Wang, JZ Jiang - Acta materialia, 2010 - Elsevier
A systematic investigation of the shear band evolution and hardness change with
deformation was performed on cold-rolled Zr64. 13Cu15. 75Ni10. 12Al10 and Zr46 …

Increased time-dependent room temperature plasticity in metallic glass nanopillars and its size-dependency

BG Yoo, JY Kim, YJ Kim, IC Choi, S Shim… - International journal of …, 2012 - Elsevier
Room temperature, uniaxial compression creep experiments were performed on micro-
/nano-sized pillars (having diameters in the range of 250–2000nm) of a Zr-based bulk …