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Effect of helium pre-implantation on the thermal shock performance of tungsten

期刊: NUCLEAR MATERIALS AND ENERGY, 2021; 27 ()

In ITER and future tokamaks, high heat flux loads will lead to recrystallization and decrease in toughness and thermal shock resistance of tungsten pl......

Ab initio modelling of helium behavior in alpha-Fe/TaC interface

期刊: NUCLEAR MATERIALS AND ENERGY, 2021; 27 ()

To understand the role of alpha-Fe/TaC interface on the clustering behavior of helium (He) atoms inside castable nanostructured alloys under irradiati......

Basic physical behavior of impurity carbon in molybdenum for nuclear material: A systematical first-principles simulation

期刊: NUCLEAR MATERIALS AND ENERGY, 2021; 28 ()

Based on first-principles simulations, we have systematically studied physical behavior of impurity carbon in molybdenum. A single carbon atom is pref......

Control of deformation and annealing process to produce incoherent Sigma 3 boundaries in Hastelloy C-276 alloy

期刊: NUCLEAR MATERIALS AND ENERGY, 2021; 27 ()

Hastelloy C-276 samples were cold-rolled with their thickness reduction of 7.5% and 15%, and then annealed at 1100 degrees C for 5-60 min in solid sol......

Effect of edge plasma density on hot spot in LHCD plasma in EAST

期刊: NUCLEAR MATERIALS AND ENERGY, 2021; 27 ()

Hot spot is a serious challenge limiting long pulse operation with LHCD (lower hybrid current drive) in tokamak. In order to mitigate the hot spot in ......

Follow-up ultrasonic vibration assisted laser welding dissimilar metals for nuclear reactor pump can end sealing

期刊: NUCLEAR MATERIALS AND ENERGY, 2021; 27 ()

A novel follow-up ultrasonic vibration assisted welding process was proposed to reduce the common defects in laser welding of dissimilar metals for nu......

Evaluation of displacement damage in solids induced by fast positrons: Modeling and effect on vacancy measurement

期刊: NUCLEAR MATERIALS AND ENERGY, 2021; 27 ()

Positron Annihilation Technique is very sensitive to vacancy defects and small vacancy clusters and has been used as supplementary for TEM in radiatio......

Effect of 3 MeV Fe11+ ions pre-damage on blistering and deuterium retention in two tungsten grades

期刊: NUCLEAR MATERIALS AND ENERGY, 2021; 27 ()

The effects of 3 MeV Fe11+ ions pre-damage on blistering and deuterium (D) retention in two types of tungsten, polycrystalline hot-rolled bulk tungste......

On the prediction and monitoring of tungsten prompt redeposition in tokamak divertors

期刊: NUCLEAR MATERIALS AND ENERGY, 2021; 27 ()

As net erosion of tungsten plasma-facing components in tokamak divertors is strongly reduced by tungsten prompt redeposition, predicting and monitorin......

Corrosion behavior of ion-irradiated 12Cr2W2Mn F/M steel in liquid LBE

期刊: NUCLEAR MATERIALS AND ENERGY, 2021; 28 ()

The corrosion characteristics of 12Cr2W2Mn Ferritic/martensitic (F/M) steel before and after Au-ions irradiation in static lead-bismuth eutectic (LBE)......

A method for high heat flux fatigue test of W/Cu/steel small mock-up using normal cooling conditions

期刊: NUCLEAR MATERIALS AND ENERGY, 2021; 28 ()

Fatigue property of W/steel joints is important for predicting the life of First Wall (FW). Few facilities can satisfy the harsh coolant parameters of......

Uncertainty assessment for the displacement damage of a pressurized water reactor vessel

期刊: NUCLEAR MATERIALS AND ENERGY, 2021; 28 ()

The neutron irradiation-induced mechanical property change is a major challenge for nuclear materials. For a Pressurized Water Reactor (PWR), neutron ......

Overview of recent progress on steady state operation of all-metal plasma facing wall device QUEST

期刊: NUCLEAR MATERIALS AND ENERGY, 2021; 27 ()

QUEST (Q-shu university experiment with steady state spherical tokamak) is a midsize spherical tokamak capable of steady-state operation, comprising a......

Effect of N-2 on release behavior of D-2 in liquid lithium

期刊: NUCLEAR MATERIALS AND ENERGY, 2021; 28 ()

Lithium is chemically active and prone to react with residual gases in the atmosphere, which should be taken into account for the application of lithi......

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