Enhanced thermal conductivity accident tolerant fuels for improved reactor safety–A comprehensive review

W Zhou, W Zhou - Annals of nuclear energy, 2018 - Elsevier
UO 2 has a long history being used as a nuclear fuel. However, its low thermal conductivity
has become one of the major concerns limiting nuclear reactor performance and safety …

Developments, challenges and prospects in thermal-hydraulic research on accident tolerant fuel

Y Li, E You, T Wang, D Xing, J Xu, H Zhang - Heliyon, 2024 - cell.com
Abstract Accident Tolerant Fuel (ATF) is a next-generation fuel technology developed to
enhance the fundamental safety of light water reactors. Compared to existing standard fuel …

Spreading anomaly semantic segmentation and 3D reconstruction of binder jet additive manufacturing powder bed images

A Gourley, J Kaufman, B Aman, E Schwalbach… - … International Journal of …, 2024 - Springer
Variability in the inherently dynamic nature of additive manufacturing introduces
imperfections that hinder the commercialization of new materials. Binder jetting produces …

Mechanical characterization of fine grained silicon carbide consolidated using polymer pyrolysis and spark plasma sintering

A Rahman, A Singh, SP Harimkar, RP Singh - Ceramics International, 2014 - Elsevier
In this study fine grained bulk silicon carbide ceramics are processed using a novel
approach that involves pyrolysis of a preceramic polymer followed by spark plasma sintering …

Characterization of the evolution and properties of silicon carbide derived from a preceramic polymer precursor

SC Zunjarrao, A Rahman… - Journal of the American …, 2013 - Wiley Online Library
This study reports on the fabrication and characterization of polymer‐derived amorphous
and nano‐grained SiC, by controlled pyrolysis of allylhydridopolycarbosilane (AHPCS) …

Effect of degree of crystallinity on elastic properties of silicon carbide fabricated using polymer pyrolysis

A Rahman, SC Zunjarrao, RP Singh - Journal of the European Ceramic …, 2016 - Elsevier
In this study, silicon carbide (SiC) is fabricated using polymer infiltration and pyrolysis (PIP).
Allylhydridopolycarbosilane (AHPCS) is used as the preceramic polymer. Final processing …

A new design for preparation of high performance recrystallized silicon carbide

W Guo, H Xiao, W Xie, J Hu, Q Li, P Gao - Ceramics International, 2012 - Elsevier
Applications urgently demand higher flexural strength and oxidation resistance of
recrystallized silicon carbide (RSiC), which is weakened by its relatively low density and …

Formation of uranium oxy-carbide and uranium carbide via conversion of polymer covered uranium dioxide by laser-based thermal processing

MM Greenough, RJ Griffiths, MG Ferrier… - Journal of Nuclear …, 2024 - Elsevier
Conventional formation of carbonaceous uranium compounds requires bulk processing
using furnace-based approaches. Here, a methodology employing polymer covered …

Modification of a liquid polycarbosilane with 9-BBN as a high-ceramic-yield precursor for SiC

Z Yu, M Huang, Y Fang, R Li, J Zhan, B Zeng… - Reactive and Functional …, 2010 - Elsevier
Allyhydridopolycarbosilane (AHPCS) was partially modified with 9-borabicyclo-[3.3. 1]
nonane (9-BBN) via conventional hydroboration. The as-synthesized boron-modified …

Fabrication of UO2-BeO composite pellets with superior thermal conductivity based on multi-parameter theoretical analyses

R Gao, Z Yang, B Li, B Yan, L Cheng, Y Wang… - Journal of Nuclear …, 2020 - Elsevier
In this paper, the fabrication process of UO 2-BeO composite pellets was optimized for
improving the thermal conductivity based on multi-parameter theoretical analyses and …