Medium-range order dictates local hardness in bulk metallic glasses
Bulk metallic glasses (BMGs) are materials with outstanding strength and elastic properties
that make them tantalizing for engineering applications, yet our poor understanding of how …
that make them tantalizing for engineering applications, yet our poor understanding of how …
Map** out the glassy landscape of a mesoscopic elastoplastic model
We develop a mesoscopic model to study the plastic behavior of an amorphous material
under cyclic loading. The model is depinning-like and driven by a disordered thresholds …
under cyclic loading. The model is depinning-like and driven by a disordered thresholds …
[HTML][HTML] Serrated flow of CuZr-based bulk metallic glasses probed by nanoindentation: Role of the activation barrier, size and distribution of shear transformation …
We report on the effect of Al and Co alloying in vitreous Cu 50 Zr 50 on local deformation
and serrated flow as a model for relating the size and localization of shear transformation …
and serrated flow as a model for relating the size and localization of shear transformation …
Nanoindentation size effect on stochastic behavior of incipient plasticity in a LiTaO3 single crystal
Y Ma, X Huang, W Hang, M Liu, Y Song, J Yuan… - Engineering Fracture …, 2020 - Elsevier
We investigated the characteristic of first pop-in event under spherical nanoindentation in
the typical orientation (0 1 1¯ 2), ie, Y-42° plane of a LiTaO 3 single crystal. Three spherical …
the typical orientation (0 1 1¯ 2), ie, Y-42° plane of a LiTaO 3 single crystal. Three spherical …
Predicting plastic events and quantifying the local yield surface in 3D model glasses
By applying the local yield stress (LYS) method to probe local regions of three-dimensional
computational glass models, we confirm high correlations between the measured local yield …
computational glass models, we confirm high correlations between the measured local yield …
Effect of strain rate on yielding strength of a Zr-based bulk metallic glass
MC Li, MQ Jiang, S Yang, F Jiang, L He… - Materials Science and …, 2017 - Elsevier
Uniaxial tension and compression experiments were performed on a typical Zr 52.5 Cu 17.9
Ni 14.6 Al 10 Ti 5 (Vit 105) bulk metallic glass over a wide range of strain rates at room …
Ni 14.6 Al 10 Ti 5 (Vit 105) bulk metallic glass over a wide range of strain rates at room …
Manipulating internal flow units toward favorable plasticity in Zr-based bulk-metallic glasses by hydrogenation
This work intends to manipulate the internal flow units in Zr 55 Cu 30 Ni 5 Al 10 bulk-metallic
glasses (BMGs) through plasma-assisted hydrogenation to generate a positive …
glasses (BMGs) through plasma-assisted hydrogenation to generate a positive …
Nanoindentation creep behavior and its relation to activation volume and strain rate sensitivity of nanocrystalline Cu
The creep behavior of nanocrystalline Cu with an average grain size of 25 nm was
investigated by nanoindentation test at room temperature. Using the creep strain rate versus …
investigated by nanoindentation test at room temperature. Using the creep strain rate versus …
Nanoindentation Hardness Distribution and Strain Field and Fracture Evolution in Dissimilar Friction Stir‐Welded AA 6061‐AA 5A06 Aluminum Alloy Joints
Aluminum alloy AA 6061‐T651 and 5A06‐H112 rolled plates were successfully welded by
friction stir welding (FSW) at three rotation speeds of 600, 900, and 1200 rpm with two …
friction stir welding (FSW) at three rotation speeds of 600, 900, and 1200 rpm with two …
Nanostructuring as a route to achieve ultra-strong high-and medium-entropy alloys with high creep resistance
Reducing grain size of materials down to the nanoscale regime usually leads to tremendous
increase in strength yet at the expense of other key mechanical properties, including creep …
increase in strength yet at the expense of other key mechanical properties, including creep …