Preparation, microstructure and ion-irradiation damage behavior of Al4SiC4-added SiC ceramics

Liu, Huan; Wu, Haibo; Zhang, Huihui; Yuan, Manman; Chen, Jian; Chen, Zhongming; Liu, Xuejian; Huang, Zhengren

doi:10.1016/j.ceramint.2022.05.104

Cited by 14 publications

(2 citation statements)

References 38 publications

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“…Silicon carbide (SiC) is one of the promising candidates for advanced nuclear systems, aerospace, and the thirdgeneration semiconductor applications, due to its excellent high-temperature mechanical properties, outstanding chemical stability, and remarkable irradiation-damageresistance. [1][2][3][4][5][6][7][8][9] However, it is difficult to fabricate large size SiC-based components with complex shapes due to their poor machinability. [10][11] Therefore, it is necessary to develop a reliable joining technology in order to enhance the application potential of advanced SiC-based materials, such as the joining of cladding tubes and end caps, large size laser mirrors, etc.…”

Section: Introductionmentioning

confidence: 99%

“…Silicon carbide (SiC) is one of the promising candidates for advanced nuclear systems, aerospace, and the third‐generation semiconductor applications, due to its excellent high‐temperature mechanical properties, outstanding chemical stability, and remarkable irradiation‐damage‐resistance 1–9 . However, it is difficult to fabricate large size SiC‐based components with complex shapes due to their poor machinability 10–11 .…”

Section: Introductionmentioning

confidence: 99%

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High‐strength SiC joints fabricated at a low‐temperature of 1400°C using a novel low activation filler of Praseodymium

Tatarko

Chen

et al. 2023

J Am Ceram Soc.

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High-strength SiC joints were successfully obtained by electric current fieldassisted sintering technique at a low temperature of 1400 • C using a Pr coating (100 nm) as the initial joining filler. A Pr 3 Si 2 C 2 transient phase was formed in situ by the interfacial reaction, while the eutectic reaction between Pr 3 Si 2 C 2 and SiC at ∼1150 • C resulted in the formation of a liquid phase. The liquid phase promoted the atomic diffusion at the interface and improved consolidation of the newly precipitated nano-sized SiC with the SiC matrix. This led to the formation of partially seamless joints of SiC. When the thickness of the joining layer decreased from 1 to 100 nm, the content of the residual Pr-O phase at the interface decreased, while the bending strength of the joints increased. A sound SiC joint with a bending strength of 227 ± 12 MPa was obtained at such a low temperature as 1400 • C when a 100 nm Pr coating was applied.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

High‐strength SiC joints fabricated at a low‐temperature of 1400°C using a novel low activation filler of Praseodymium

Tatarko

Chen

et al. 2023

J Am Ceram Soc.

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Investigation of Multistage Oxidation Behavior of Al₄SiC₄ Powders with Aid of Back Propagation Artificial Neural Network

Guo

Shi

Ren

et al. 2023

steel research int.

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In order to investigate the multistage oxidation behavior of aluminum silicon carbide (Al 4 SiC 4 ), back propagation artificial neural network (BP-ANN) has been trained and employed considering the oxidation temperature, time, and aspect ratio. The results denote that the BP-ANN model can accurately and efficiently simulate the oxidation behavior of Al 4 SiC 4 powders with different reaction laws. In addition, the extrapolation ability suggests that the BP-ANN model can maintain a high accuracy with the coefficient of determination ≥0.801 to expand the experimental data to 1.2 times the original range. By incorporating a real physical picture model developed by the research group, the experimental data can be further expanded to 2.2 times. This study can provide a new path to recognize the oxidation behavior of materials with multistage oxidation.

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Degradation of Crystal Violet Using Gadolinium Zirconium Oxide (Gd2Zr2O7) Nanoparticles

Abdelbaky

Abdelghany

Oraby

et al. 2023

J Inorg Organomet Polym

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The demand for clean water free of pollution has become an urgent priority for humanity. Gd2Zr2O7 nanoparticles were successfully synthesized via sol–gel auto combustion as a type of pyrochlore to be used in the dye phytoremediation using a Fenton-like approach. Gd2Zr2O7 nanoparticles have been successfully prepared using a sol–gel auto-combustion strategy. The annealing process was performed in a furnace at 1100 °C for 2 h to form defect-fluorite structured Gd2Zr2O7 with space group Fm-3m. XRD analysis revealed that synthesized Gd2Zr2O7 nanoparticles were found to have crystallite sizes with lattice parameters of 28.5 nm and 10.524 + 0.02 Å, respectively. TEM micrographs showed the presence of a cubic-like structure with a size of about 17 nm. The band gap energy of the synthesized powders was found to be 3.8 eV relating to the impact of the crystallite size. The generated nanoparticles finally show a significant photo Fenton catalytic activity with an efficiency of 90% for the photocatalysis of crystal violet dye after 60 min. It was determined that the substantial absorption of Gd2Zr2O7 in the visible-light region, which was synergistically activated by both Gd3+ and Zr4+ ions, was the cause of the large surface area of the scattered microstructure and reactive OH. formation.

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Preparation, microstructure and ion-irradiation damage behavior of Al4SiC4-added SiC ceramics

Cited by 14 publications

References 38 publications

High‐strength SiC joints fabricated at a low‐temperature of 1400°C using a novel low activation filler of Praseodymium

High‐strength SiC joints fabricated at a low‐temperature of 1400°C using a novel low activation filler of Praseodymium

Investigation of Multistage Oxidation Behavior of Al₄SiC₄ Powders with Aid of Back Propagation Artificial Neural Network

Degradation of Crystal Violet Using Gadolinium Zirconium Oxide (Gd2Zr2O7) Nanoparticles

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Preparation, microstructure and ion-irradiation damage behavior of Al4SiC4-added SiC ceramics

Cited by 14 publications

References 38 publications

High‐strength SiC joints fabricated at a low‐temperature of 1400°C using a novel low activation filler of Praseodymium

High‐strength SiC joints fabricated at a low‐temperature of 1400°C using a novel low activation filler of Praseodymium

Investigation of Multistage Oxidation Behavior of Al4SiC4 Powders with Aid of Back Propagation Artificial Neural Network

Degradation of Crystal Violet Using Gadolinium Zirconium Oxide (Gd2Zr2O7) Nanoparticles

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Investigation of Multistage Oxidation Behavior of Al₄SiC₄ Powders with Aid of Back Propagation Artificial Neural Network