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 …

Effects of structure relaxation and surface oxidation on nanoscopic wear behaviors of metallic glass

Q Jia, W He, D Hua, Q Zhou, Y Du, Y Ren, Z Lu… - Acta Materialia, 2022 - Elsevier
Both structure relaxation and oxidation of surface layer induced by thermal treatment or
friction heat play significant roles in reducing wear of metallic glasses (MGs). To distinguish …

The effects of Ni or Nb additions on the relaxation behavior of Zr55Cu35Al10 metallic glass

QH Pham, S Chupradit, G Widjaja, MS Alhassan… - Materials Today …, 2021 - Elsevier
Many questions raised in the field of metallic glasses (MGs) are inherently attributed to β
relaxation. Therefore, this study investigated the behavior of β relaxation in the Zr 55 Cu 35 …

Role of compositional changes on thermal, magnetic, and mechanical properties of Fe-PC-based amorphous alloys

I Raya, S Chupradit, MM Kadhim… - Chinese …, 2022 - iopscience.iop.org
This work aimed to tune the comprehensive properties of Fe-PC-based amorphous system
through investigating the role of microalloying process on the crystallization behavior, glass …

Toughness enhancement and heterogeneous softening of a cryogenically cycled Zr–Cu–Ni–Al–Nb bulk metallic glass

BS Li, S Xie, JJ Kruzic - Acta Materialia, 2019 - Elsevier
In this study, as-cast and cold-rolled Zr 63.78 Cu 14.72 Ni 10 Al 10 Nb 1.5 bulk metallic glass
(BMG) samples were subjected to 20, 70, 120, and 170 cryogenic thermal cycles prior to …

Structure-dynamics relationships in cryogenically deformed bulk metallic glass

F Spieckermann, D Şopu, V Soprunyuk… - Nature …, 2022 - nature.com
The atomistic mechanisms occurring during the processes of aging and rejuvenation in
glassy materials involve very small structural rearrangements that are extremely difficult to …

[HTML][HTML] Atomistic modelling of thermal-cycling rejuvenation in metallic glasses

B Shang, W Wang, AL Greer, P Guan - Acta Materialia, 2021 - Elsevier
Cycling of a metallic glass between ambient and cryogenic temperatures can induce higher-
energy states characteristic of glass formation on faster cooling. This rejuvenation …

Enhancement of plasticity for FeCoBSiNb bulk metallic glass with superhigh strength through cryogenic thermal cycling

S Di, Q Wang, J Zhou, Y Shen, J Li, M Zhu, K Yin… - Scripta Materialia, 2020 - Elsevier
The mechanical properties and atomic-scale structure of the [(Fe 0.5 Co 0.5) 0.75 B 0.2 Si
0.05] 96 Nb 4 bulk metallic glass (BMG) treated with cryogenic thermal cycling were studied …

Extra plasticity governed by shear band deflection in gradient metallic glasses

Y Tang, H Zhou, H Lu, X Wang, Q Cao, D Zhang… - Nature …, 2022 - nature.com
Inspired by gradient materials in nature, advanced engineering components with controlled
structural gradients have attracted substantial research interests due to their exceptional …

Fast-heating-induced formation of metallic-glass/crystal composites with enhanced plasticity

J Orava, I Kaban, M Benkocka, X Han, I Soldatov… - Thermochimica …, 2019 - Elsevier
Bulk metallic glasses are known to have poor plasticity which limits their application as
structural materials. Due to the lack of atomic periodicity in metallic glasses, their mechanical …