STZ-Vortex model: The key to understand STZ percolation and shear banding in metallic glasses

D Şopu - Journal of Alloys and Compounds, 2023 - Elsevier
The fast dynamics and localized nature of shear banding together with the disordered
structure of metallic glasses make it difficult to gain an understanding of the mechanism of …

Atomic scale fluctuations govern brittle fracture and cavitation behavior in metallic glasses

P Murali, TF Guo, YW Zhang, R Narasimhan, Y Li… - Physical review …, 2011 - APS
We perform atomistic simulations on the fracture behavior of two typical metallic glasses,
one brittle (FeP) and the other ductile (CuZr), and show that brittle fracture in the FeP glass is …

Chemical bonding effects on the brittle-to-ductile transition in metallic glasses

F Moitzi, D Şopu, D Holec, D Perera, N Mousseau… - Acta Materialia, 2020 - Elsevier
The influence of composition and temperature on the tensile deformation behavior of
amorphous PdSi metal-metalloid alloys is investigated using large-scale molecular …

Non-localized deformation in metallic alloys with amorphous structure

HF Zhou, C Zhong, QP Cao, SX Qu, XD Wang, W Yang… - Acta materialia, 2014 - Elsevier
In bulk or ribbon metallic alloys with monolithic amorphous structure, plastic deformation at
room temperature is dominated by highly localized shear banding. Here we report …

On the characteristic length scales associated with plastic deformation in metallic glasses

P Murali, YW Zhang, HJ Gao - Applied Physics Letters, 2012 - pubs.aip.org
Atomistic simulations revealed that the spatial correlations of plastic displacements in three
metallic glasses, FeP, MgAl, and CuZr, follow an exponential law with a characteristic length …

Biosilica from deep-sea marine sponge Geodia barretti for the development of 3D printed scaffolds for bone tissue regeneration applications

RV Colares - 2021 - search.proquest.com
The oceans have always been a great instigator of human curiosity and, from the time of
great navigations to the present day, the source of knowledge seems to be growing. It is …