Effects of Helium Implantation on the Tensile Properties and Microstructure of Ni73P27 Metallic Glass Nanostructures

R Liontas, XW Gu, E Fu, Y Wang, N Li, N Mara… - Nano …, 2014 - ACS Publications
We report fabrication and nanomechanical tension experiments on as-fabricated and helium-
implanted∼ 130 nm diameter Ni73P27 metallic glass nanocylinders. The nanocylinders …

Nanometallic glasses: size reduction brings ductility, surface state drives its extent

DZ Chen, D Jang, KM Guan, Q An, WA Goddard III… - Nano …, 2013 - ACS Publications
We report tensile experiments on Ni80P20 metallic glass samples fabricated via a templated
electroplating process and via focused ion beam milling, which differed only in their surface …

[HTML][HTML] Ductility and work hardening in nano-sized metallic glasses

DZ Chen, XW Gu, Q An, WA Goddard… - Applied Physics …, 2015 - pubs.aip.org
In-situ nano-tensile experiments on 70 nm-diameter free-standing electroplated NiP metallic
glass nanostructures reveal tensile true strains of∼ 18%, an amount comparable to …

Plasticity of a scandium-based nanoglass

XL Wang, F Jiang, H Hahn, J Li, H Gleiter, J Sun… - Scripta Materialia, 2015 - Elsevier
The mechanical properties of a Sc 75 Fe 25 nanoglass and monolithic metallic glass (MG)
with identical chemical composition were investigated by means of nanoindentation tests …

Effect of ion irradiation on tensile ductility, strength and fictive temperature in metallic glass nanowires

DJ Magagnosc, G Kumar, J Schroers, P Felfer… - Acta Materialia, 2014 - Elsevier
Ion irradiation of thermoplastically molded Pt 57.5 Cu 14.3 Ni 5.7 P 22.5 metallic glass
nanowires is used to study the relationship between glass structure and tensile behavior …

Ductile crystalline–amorphous nanolaminates

Y Wang, J Li, AV Hamza… - Proceedings of the …, 2007 - National Acad Sciences
It is known that the room-temperature plastic deformation of bulk metallic glasses is
compromised by strain softening and shear localization, resulting in near-zero tensile …

3D nano-architected metallic glass: Size effect suppresses catastrophic failure

R Liontas, JR Greer - Acta Materialia, 2017 - Elsevier
We investigate the mechanical behavior of 3D periodically architected metallic glass
nanolattices, constructed from hollow beams of sputtered Zr-Ni-Al metallic glass …

Nanocrystalline coating enhanced ductility in a Zr-based bulk metallic glass

H Li, L Li, C Fan, H Choo, PK Liaw - Journal of materials research, 2007 - cambridge.org
Compression tests were conducted on the as-cast Zr58Ni13. 6Cu18Al10. 4 metallic glass at
room temperature. The effect of nanocrystalline Ni-15% Fe coating (mean grain size:∼ 10 …

Mechanisms of failure in nanoscale metallic glass

XW Gu, M Jafary-Zadeh, DZ Chen, Z Wu, YW Zhang… - Nano …, 2014 - ACS Publications
The emergence of size-dependent mechanical strength in nanosized materials is now well-
established, but no fundamental understanding of fracture toughness or flaw sensitivity in …

Substantial tensile ductility in sputtered Zr-Ni-Al nano-sized metallic glass

R Liontas, M Jafary-Zadeh, Q Zeng, YW Zhang… - Acta Materialia, 2016 - Elsevier
We investigate the mechanical behavior and atomic-level structure of glassy Zr-Ni-Al nano-
tensile specimens with widths between 75 and 215 nm. We focus our studies on two …