Progress in development of SiC-based joints resistant to neutron irradiation

Koyanagi, Takaaki; Kato, Yutai; Hinoki, Tatsuya; Henager, C.; Ferraris, Monica; Grasso, Salvatore

doi:10.1016/j.jeurceramsoc.2019.10.055

Title: Progress in development of SiC-based joints resistant to neutron irradiation

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Abstract

This study fills a knowledge gap regarding neutron-irradiation resistance of SiC joints for nuclear applications, by investigating high-dose neutron irradiation effects on the strength of selected joints and low-dose neutron irradiation effects on recently developed joints fabricated by state of the art processing methods. The joining methods used for the high-dose radiation study included pressure-assisted liquid-phase sintering (LPS) of SiC nanopowder, pressureless calcia-alumina glass ceramics joining, and reaction sintering of Ti-Si-C powders with hot-pressing. The joints were neutron-irradiated at 530 °C to 20 displacements per atom (dpa). Other joining methods included low-pressure LPS of cold-pressed SiC green body, pressureless reaction sintered Ti-Si-C powder joint, spark plasma–sintered Ti diffusion bond, and hot-pressed Ti diffusion bond, which were irradiated at ~500 °C to ~2 dpa. There was no notable degradation of torsional strengths of the joints following the high-dose irradiation. The irradiation-induced degradation at low neutron dose was highly dependent on joint type.

Authors:

^[1];

^[1]; Hinoki, Tatsuya ^[2]; Henager, C. ^[3]; Ferraris, Monica ^[4];

^[5]

Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Kyoto Univ. (Japan)
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Politecnico di Torino (Italy)
Southwest Jiaotong Univ. (China)

Publication Date:: Fri Nov 15 00:00:00 EST 2019

Research Org.:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Fusion Energy Sciences (FES)

OSTI Identifier:: 1606981

Alternate Identifier(s):: OSTI ID: 1778446

Grant/Contract Number:: AC05-00OR22725

Resource Type:: Journal Article: Accepted Manuscript

Journal Name:: Journal of the European Ceramic Society

Additional Journal Information:: Journal Volume: 40; Journal Issue: 4; Journal ID: ISSN 0955-2219

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; Silicon carbide; Joining; Neutron irradiation

Citation Formats


                    Koyanagi, Takaaki, Kato, Yutai, Hinoki, Tatsuya, Henager, C., Ferraris, Monica, and Grasso, Salvatore. Progress in development of SiC-based joints resistant to neutron irradiation.  United States: N. p., 2019. 
        Web.  doi:10.1016/j.jeurceramsoc.2019.10.055.

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                    Koyanagi, Takaaki, Kato, Yutai, Hinoki, Tatsuya, Henager, C., Ferraris, Monica, & Grasso, Salvatore. Progress in development of SiC-based joints resistant to neutron irradiation.  United States.  https://doi.org/10.1016/j.jeurceramsoc.2019.10.055

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                    Koyanagi, Takaaki, Kato, Yutai, Hinoki, Tatsuya, Henager, C., Ferraris, Monica, and Grasso, Salvatore. 2019.  
        "Progress in development of SiC-based joints resistant to neutron irradiation".  United States.  https://doi.org/10.1016/j.jeurceramsoc.2019.10.055.  https://www.osti.gov/servlets/purl/1606981.

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@article{osti_1606981,

  title        = {Progress in development of SiC-based joints resistant to neutron irradiation},

  author       = {Koyanagi, Takaaki and Kato, Yutai and Hinoki, Tatsuya and Henager, C. and Ferraris, Monica and Grasso, Salvatore},

  abstractNote = {This study fills a knowledge gap regarding neutron-irradiation resistance of SiC joints for nuclear applications, by investigating high-dose neutron irradiation effects on the strength of selected joints and low-dose neutron irradiation effects on recently developed joints fabricated by state of the art processing methods. The joining methods used for the high-dose radiation study included pressure-assisted liquid-phase sintering (LPS) of SiC nanopowder, pressureless calcia-alumina glass ceramics joining, and reaction sintering of Ti-Si-C powders with hot-pressing. The joints were neutron-irradiated at 530 °C to 20 displacements per atom (dpa). Other joining methods included low-pressure LPS of cold-pressed SiC green body, pressureless reaction sintered Ti-Si-C powder joint, spark plasma–sintered Ti diffusion bond, and hot-pressed Ti diffusion bond, which were irradiated at ~500 °C to ~2 dpa. There was no notable degradation of torsional strengths of the joints following the high-dose irradiation. The irradiation-induced degradation at low neutron dose was highly dependent on joint type.},

  doi          = {10.1016/j.jeurceramsoc.2019.10.055},

  url          = {https://www.osti.gov/biblio/1606981},
  journal      = {Journal of the European Ceramic Society},

  issn         = {0955-2219},

  number       = 4,

  volume       = 40,

  place        = {United States},

  year         = {Fri Nov 15 00:00:00 EST 2019},

  month        = {Fri Nov 15 00:00:00 EST 2019}

}

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