Behavior of tungsten under irradiation and plasma interaction

M Rieth, R Doerner, A Hasegawa, Y Ueda… - Journal of Nuclear …, 2019 - Elsevier
In 1959 the Journal of Nuclear Materials (JNM) was founded and is now celebrating its
Diamond Anniversary year. The present paper is part of a series in which single JNM …

[HTML][HTML] Radiation-induced helium bubbles in metals

SH Li, JT Li, WZ Han - Materials, 2019 - mdpi.com
Helium (He) bubbles are typical radiation defects in structural materials in nuclear reactors
after high dose energetic particle irradiation. In the past decades, extensive studies have …

Outstanding radiation resistance of tungsten-based high-entropy alloys

O El-Atwani, N Li, M Li, A Devaraj, JKS Baldwin… - Science …, 2019 - science.org
A body-centered cubic W-based refractory high entropy alloy with outstanding radiation
resistance has been developed. The alloy was grown as thin films showing a bimodal grain …

[HTML][HTML] A quinary WTaCrVHf nanocrystalline refractory high-entropy alloy withholding extreme irradiation environments

O El Atwani, HT Vo, MA Tunes, C Lee… - Nature …, 2023 - nature.com
In the quest of new materials that can withstand severe irradiation and mechanical extremes
for advanced applications (eg. fission & fusion reactors, space applications, etc.), design …

Dynamic equilibrium of displacement damage defects in heavy-ion irradiated tungsten

S Wang, W Guo, T Schwarz-Selinger, Y Yuan, L Ge… - Acta Materialia, 2023 - Elsevier
How displacement damage defects generate and evolve in materials irradiated by energetic
particles is a perennial topic in the field of nuclear materials. Here we experimentally reveal …

In-situ TEM investigation of 30 keV he+ irradiated tungsten: Effects of temperature, fluence, and sample thickness on dislocation loop evolution

Y Li, L Wang, G Ran, Y Yuan, L Wu, X Liu, X Qiu, Z Sun… - Acta Materialia, 2021 - Elsevier
In-situ irradiations with 30 keV He+ were performed on tungsten in an investigation of the
influences of irradiation temperature and fluence, pre-existing dislocation and sample …

The evolution of dislocation loop and its interaction with pre-existing dislocation in He+-irradiated molybdenum: in-situ TEM observation and molecular dynamics …

Y Li, G Ran, Y Guo, Z Sun, X Liu, Y Li, X Qiu, Y Xin - Acta Materialia, 2020 - Elsevier
In-situ TEM observation and molecular dynamics simulation were used to investigate the
evolution of irradiation-induced dislocation loops and their interactions with the pre-existing …

[HTML][HTML] Molecular dynamics simulations of high-dose damage production and defect evolution in tungsten

F Granberg, J Byggmästar, K Nordlund - Journal of Nuclear Materials, 2021 - Elsevier
Tungsten has been chosen as the plasma-facing wall material in fusion reactors, due to its
high density and melting point. The wall material will not only be sputtered at the surface, but …

Helium irradiation-induced ultrahigh hardening in niobium

JT Li, IJ Beyerlein, WZ Han - Acta Materialia, 2022 - Elsevier
In this work, using in-situ uniaxial tensile and compressive testing, microscopy, and
theoretical analysis, we study the mechanism underlying the ultrahigh irradiation hardening …

Thermal diffusivity degradation and point defect density in self-ion implanted tungsten

A Reza, H Yu, K Mizohata, F Hofmann - Acta Materialia, 2020 - Elsevier
Using transient grating spectroscopy (TGS) we measure the thermal diffusivity of tungsten
exposed to different levels of 20 MeV self-ion irradiation. Damage as low as 3.2× 10− 4 …