Mechanical properties of tungsten: Recent research on modified tungsten materials in Japan

S Nogami, A Hasegawa, M Fukuda, M Rieth… - Journal of Nuclear …, 2021 - Elsevier
There remain some drawbacks of mechanical properties of W materials as a plasma facing
material (PFM) for fusion reactor divertors, which are low temperature brittleness, high …

Perspectives on multiscale modelling and experiments to accelerate materials development for fusion

MR Gilbert, K Arakawa, Z Bergstrom, MJ Caturla… - Journal of Nuclear …, 2021 - Elsevier
Prediction of material performance in fusion reactor environments relies on computational
modelling, and will continue to do so until the first generation of fusion power plants come on …

New insights into microstructure of neutron-irradiated tungsten

M Dürrschnabel, M Klimenkov, U Jäntsch, M Rieth… - Scientific reports, 2021 - nature.com
The development of appropriate materials for fusion reactors that can sustain high neutron
fluence at elevated temperatures remains a great challenge. Tungsten is one of the …

Investigating the formation mechanism of void lattice in tungsten under neutron irradiation: from collision cascades to ordered nanovoids

ZZ Li, YH Li, D Terentyev, N Castin, A Bakaev, G Bonny… - Acta Materialia, 2021 - Elsevier
The “void lattice” formed by periodic arrangements of voids, usually replicating the symmetry
and crystallographic orientation of the host matrix, is an interesting phenomenon in materials …

Temperature dependent deformation localization in irradiated tungsten

Z Li, Z Liu, Z Zhuang, Y Cui - International Journal of Plasticity, 2021 - Elsevier
Tungsten is considered as the plasma-facing material in the nuclear fusion device, which
has to withstand coupled irradiation, mechanical and thermal conditions. To guarantee the …

Atomic-scale hidden point-defect complexes induce ultrahigh-irradiation hardening in tungsten

RY Zheng, WR Jian, IJ Beyerlein, WZ Han - Nano Letters, 2021 - ACS Publications
Tungsten displays high strength in extreme temperature and radiation environments and is
considered a promising plasma facing material for fusion nuclear reactors. Unlike other …

Microstructure and hardening induced by neutron irradiation in single crystal, ITER specification and cold rolled tungsten

A Dubinko, D Terentyev, C Yin… - International Journal of …, 2021 - Elsevier
In this work, we have performed neutron irradiation and sub-sequent microstructural and
micro-hardness measurements on a series of tungsten grades. The neutron irradiation was …

Fracture-mechanical properties of neutron irradiated ITER specification tungsten

E Gaganidze, A Chauhan, HC Schneider… - Journal of Nuclear …, 2021 - Elsevier
The work focuses on the investigation of the influence of neutron irradiation on the fracture
mechanical properties of ITER specification-conform, stress-relieved tungsten bar. The …

Neutron irradiation tolerance of potassium-doped and rhenium-alloyed tungsten

S Nogami, D Terentyev, A Zinovev, C Yin… - Journal of Nuclear …, 2021 - Elsevier
Tungsten (W) based materials for fusion reactor applications have been developed in Japan
for the last decade to improve thermo-mechanical properties and tolerance with respect to …

Effects of ion irradiation on microstructure of 316L stainless steel strengthened by disperse nano TiC through selective laser melting

Z Sun, Y Xu, F Chen, L Shen, X Tang, L Sun… - Materials …, 2021 - Elsevier
The manufacturing of the new generation of radiation-resistant structural materials is an
extremely interesting and challenging topic in the field of additive manufacturing research …