Damage studies on tungsten due to helium ion irradiation

NJ Dutta, N Buzarbaruah, SR Mohanty - Journal of Nuclear Materials, 2014 - Elsevier
Energetic and high fluence helium ions emitted in a plasma focus device have been used
successfully to study the radiation induced damage on tungsten. The reference and …

Novel test-bed facility for PSI issues in fusion reactor conditions on the base of next generation QSPA plasma accelerator

IE Garkusha, VV Chebotarev, SS Herashchenko… - Nuclear …, 2017 - iopscience.iop.org
In this report a concept of a new generation QSPA with external B-field up to 2 T has been
discussed. A novel test-bed facility, which was recently constructed in Kharkov IPP NSC …

Behaviour of tungsten alloy with iron and nickel under repeated high temperature plasma pulses

T Laas, K Laas, J Paju, J Priimets, S Tõkke… - Fusion Engineering and …, 2020 - Elsevier
The changes of the structure and properties of a dual phase tungsten (W) alloy (with either
3% or 5% of an added mixture of Fe and Ni) are investigated after irradiation with powerful …

Preparation of spherical tungsten powder with uniform distribution of lanthania by plasma spheroidization

D Wang, Z Hao, P Wang, R Ma, Y Shu, J He - International Journal of …, 2023 - Elsevier
The high ductile-brittle transition temperature of tungsten (W) makes it prone to crack during
additive manufacturing. Incorporating lanthania (La 2 O 3) to tungsten had been proven to …

Effects of fusion relevant transient energetic radiation, plasma and thermal load on PLANSEE double forged tungsten samples in a low-energy plasma focus device

S Javadi, B Ouyang, Z Zhang, M Ghoranneviss… - Applied Surface …, 2018 - Elsevier
Tungsten is the leading candidate for plasma facing component (PFC) material for
thermonuclear fusion reactors and various efforts are ongoing to evaluate its performance or …

Morphology evolution of La2O3 and crack characteristic in W–La2O3 alloy under transient heat loading

X Zhang, Q Yan - Journal of Nuclear Materials, 2014 - Elsevier
Thermal shock tests were performed on W–La 2 O 3 specimens by an electron beam to
investigate the morphology evolution of La 2 O 3 and crack characteristics. Cracks appeared …

The experimental and theoretical investigations of damage development and distribution in double-forged tungsten under plasma irradiation-initiated extreme heat …

B Väli, T Laas, J Paju, V Shirokova, M Paduch… - Nukleonika, 2016 - sciendo.com
The influence of extreme heat loads, as produced by a multiple pulses of non-homogeneous
flow of slow plasma (0.1–1 keV) and fast ions (100 keV), on double-forged tungsten (DFW) …

Impact of pulsed deuterium plasma irradiation on dual-phase tungsten alloys

S Tõkke, T Laas, J Priimets, V Mikli… - Fusion Engineering and …, 2021 - Elsevier
The morphological and structural changes of two different dual-phase tungsten alloy (either
3% or 5% of an added mixture of Fe and Ni) are investigated after deuterium plasma …

Multifractal analysis of high-temperature plasma irradiated tungsten surfaces

M Martsepp, T Laas, K Laas, J Priimets… - Surface Topography …, 2021 - iopscience.iop.org
In this research, the irregular surface structure of 15 pure tungsten specimens that are
irradiated respectively with 20, 40, 60, 80, and 100 shots of high-temperature deuterium …

Application of dense plasma focus devices and lasers in the radiation material sciences for the goals of inertial fusion beyond ignition

VA Gribkov, IV Borovitskaya, EV Demina… - Matter and Radiation …, 2020 - pubs.aip.org
Specimens of materials for prospective use in chambers of nuclear fusion reactors with
inertial plasma confinement, namely, W, ODS steels, Eurofer 97 steel, a number of ceramics …