Additively manufactured tantalum implants for repairing bone defects: a systematic review

H Qian, T Lei, P Lei, Y Hu - Tissue Engineering Part B: Reviews, 2021 - liebertpub.com
Tantalum has unique advantages as a biomaterial for repairing bone defects due to its
outstanding bioactivity, excellent corrosion resistance, and mechanical properties. Ideal …

Probing the limits of metal plasticity with molecular dynamics simulations

LA Zepeda-Ruiz, A Stukowski, T Oppelstrup… - Nature, 2017 - nature.com
Ordinarily, the strength and plasticity properties of a metal are defined by dislocations—line
defects in the crystal lattice whose motion results in material slippage along lattice planes …

Deformation and failure in extreme regimes by high-energy pulsed lasers: a review

TP Remington, BA Remington, EN Hahn… - Materials Science and …, 2017 - Elsevier
The use of high-power pulsed lasers to probe the response of materials at pressures of
hundreds of GPa up to several TPa, time durations of nanoseconds, and strain rates of 10 6 …

In situ X-ray diffraction measurement of shock-wave-driven twinning and lattice dynamics

CE Wehrenberg, D McGonegle, C Bolme… - Nature, 2017 - nature.com
Pressure-driven shock waves in solid materials can cause extreme damage and
deformation. Understanding this deformation and the associated defects that are created in …

Phase transformation induced transitional twin boundary in body-centered cubic metals

X Li, Q Zhao, Y Tian, Q Wang, J Fan, K Song, H Zhou… - Acta Materialia, 2023 - Elsevier
Body-centred cubic (BCC) metals possess unstable intrinsic stacking fault and high
resistance for deformation twinning, which often induce complex twinning dynamics that …

On the ultimate tensile strength of tantalum

EN Hahn, TC Germann, R Ravelo, JE Hammerberg… - Acta Materialia, 2017 - Elsevier
Strain rate, temperature, and microstructure play a significant role in the mechanical
response of materials. Using non-equilibrium molecular dynamics simulations, we …

Orientation dependent spall strength of tantalum single crystals

EN Hahn, SJ Fensin, TC Germann, GT Gray III - Acta Materialia, 2018 - Elsevier
It is generally recognized that single crystals exhibit orientation-dependent elastic and
plastic responses. However, it is less known how the dynamic tensile, or spall, strength …

[HTML][HTML] Diffraction artefacts from twins and stacking faults, and the mirage of hexagonal, polytypes or other superstructures

C Cayron - Scripta Materialia, 2021 - Elsevier
Recently, a hexagonal phase has been reported in high carbon steels in several studies.
Here, we show that the electron microscopy results used in these studies were erroneously …

[HTML][HTML] Understanding and predicting damage and failure at grain boundaries in BCC Ta

J Chen, EN Hahn, AM Dongare… - Journal of Applied Physics, 2019 - pubs.aip.org
Understanding the effect of grain boundaries (GBs) on the deformation and spall behavior is
critical to designing materials with tailored failure responses under dynamic loading. This …

Molecular dynamics simulation of structural evolution in crystalline and amorphous CuZr alloys upon ultrafast laser irradiation

D Iabbaden, J Amodeo, C Fusco, F Garrelie… - Physical Review …, 2022 - APS
A promising route for manufacturing emergent metamaterials is the use of ultrafast laser
pulses in complex alloy processing. Laser-induced structural transformations in Zr-based …