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Journal of Nuclear Engineering, Volume 4, Issue 2

2023 June - 9 articles

Cover Story: Tungsten fiber-reinforced tungsten composites (Wf/W) enhance the mechanical properties of tungsten (W) by incorporating W-fibers into the W-matrix. Two novel textile fabrics were developed using radial braided W-yarns as a base material. These were further processed to bulk composites via layer-by-layer CVD. Both composites demonstrated enhanced mechanical properties with a very high reproducibility. In addition, a new approach has been developed to predict the material's fatigue behavior under cyclic loading. Composite type 1 showed superior results in its manufacturing and mechanical properties, making it a promising alternative for high-stressed components in several application fields. The study highlights Wf/W composites' potential and their manufacturing and performance characteristics. View this paper
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Articles (9)

  • Article
  • Open Access
5 Citations
3,571 Views
12 Pages

A Novel Algorithm for CAD to CSG Conversion in McCAD

  • Moataz Harb,
  • Dieter Leichtle and
  • Ulrich Fischer

15 June 2023

Modeling and simulation lie at the heart of the design process of any nuclear application. An accurate representation of the radiation environment ensures not only the feasibility of new technologies, but it also aids in operation, maintenance, and e...

  • Article
  • Open Access
4 Citations
3,433 Views
15 Pages

2 June 2023

Quality and safety are intensely related and go hand in hand. Quality of the safety-grade equipment is very important for the safety of a nuclear power plant (NPP) and achieving production goals. During manufacturing of plant components or equipment,...

  • Communication
  • Open Access
2 Citations
2,180 Views
9 Pages

Application of Np–Am Mixture in Production of 238Pu in a VVER-1000 Reactor and the Reactivity Effect Caused by Loss-of-Coolant Accident in the Central Np–Am Fuel Assembly

  • Anatoly N. Shmelev,
  • Nikolay I. Geraskin,
  • Vladimir A. Apse,
  • Vasily B. Glebov,
  • Evgeny G. Kulikov and
  • Andrey A. Krasnoborodko

1 June 2023

This paper presents the results obtained from numerical evaluations for the possibility of large-scale 238Pu production in the light-water VVER-1000 reactor and the reactivity effect caused by the loss-of-coolant accident in the central fuel assembly...

  • Article
  • Open Access
9 Citations
4,524 Views
21 Pages

Plutonium Signatures in Molten-Salt Reactor Off-Gas Tank and Safeguards Considerations

  • Nicholas Dunkle,
  • Alex Wheeler,
  • Jarod Richardson,
  • Sandra Bogetic,
  • Ondrej Chvala and
  • Steven E. Skutnik

18 May 2023

Fluid-fueled molten-salt reactors (MSRs) are actively being developed by several companies, with plans to deploy them internationally. The current IAEA inspection tools are largely incompatible with the unique design features of liquid fuel MSRs (e.g...

  • Article
  • Open Access
6 Citations
4,781 Views
16 Pages

Bulk Tungsten Fiber-Reinforced Tungsten (Wf/W) Composites Using Yarn-Based Textile Preforms

  • Alexander Lau,
  • Jan Willem Coenen,
  • Daniel Schwalenberg,
  • Yiran Mao,
  • Till Höschen,
  • Johann Riesch,
  • Leonard Raumann,
  • Michael Treitz,
  • Hanns Gietl and
  • Jesus Gonzalez-Julian
  • + 4 authors

4 May 2023

The use of tungsten fiber-reinforced tungsten composites (Wf/W) has been demonstrated to significantly enhance the mechanical properties of tungsten (W) by incorporating W-fibers into the W-matrix. However, prior research has been restricted by the u...

  • Review
  • Open Access
10 Citations
4,423 Views
37 Pages

4 May 2023

The production of prismatic dislocation loops in nuclear reactor core materials results in hardening because the loops impede dislocation motion. Yielding often occurs by a localised clearing of the loops through interactions with gliding dislocation...

  • Article
  • Open Access
2 Citations
3,281 Views
15 Pages

On Design Challenges of Portable Nuclear Magnetic Resonance System

  • Mohsen Hosseinzadehtaher,
  • Silvanus D’silva,
  • Matthew Baker,
  • Ritesh Kumar,
  • Nathan T. Hein,
  • Mohammad B. Shadmand,
  • S.V. Krishna Jagadish and
  • Behzad Ghanbarian

18 April 2023

This article studies the optimal design approach for a portable nuclear magnetic resonance (NMR) system for use in non-destructive flow measurement applications. The mechanical and electromagnetic design procedures were carried out using the Ansys Ma...

  • Brief Report
  • Open Access
2 Citations
2,337 Views
6 Pages

14 April 2023

Machine learning methods allow the prediction of material properties, potentially using only the elemental composition of a molecule or compound, without the knowledge of molecular or crystalline structures. Herein, a composition-based machine learni...

  • Communication
  • Open Access
1 Citations
2,679 Views
8 Pages

4 April 2023

Neutron thermalization leads to the complexity of the scattering cross-section calculation, which influences the accuracy of the neutron transport calculation in the thermal energy range. The higher precision of thermal scattering data is demanded in...

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J. Nucl. Eng. - ISSN 2673-4362