Effect of yttrium on intergranular embrittlement behavior of GH3535 alloy induced by tellurium

Zhu, Zhouting; Han, Fenfen; Jia, Yanyan; Wang, Jiamin; Wang, Xiaodong; Leng, Bin; Liu, Chengpeng; Li, Xiaoli; Zhou, Xingtai

doi:10.1016/j.corsci.2023.111091

Cited by 6 publications

(2 citation statements)

References 44 publications

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“…Han et al investigated the effect of Te vapor on the intergranular embrittlement of a Y-modified Ni-16Mo-7Cr-based alloy at 800 °C. Their results indicated that the addition of Y significantly reduced the diffusion depth of Te in the alloy, thus improving its resistance to intergranular cracking [228]. The YTe phase near the surface reaction layer and surface grain boundaries plays an important role in fixing and decreasing the diffusion of Te.…”

Section: Adjusting the Corrosion Potential Of Water And Molten Salt T...mentioning

confidence: 99%

Review on synergistic damage effect of irradiation and corrosion on reactor structural alloys

Liu,

Lei,

Huang

2024

NUCL SCI TECH

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The synergistic damage effect of irradiation and corrosion of reactor structural materials has been a prominent research focus. This paper provides a comprehensive review of the synergistic effects on the third- and fourth-generation fission nuclear energy structural materials used in pressurized water reactors and molten salt reactors. The competitive mechanisms of multiple influencing factors, such as the irradiation dose, corrosion type, and environmental temperature, are summarized in this paper. Conceptual approaches are proposed to alleviate the synergistic damage caused by irradiation and corrosion, thereby promoting in-depth research in the future and solving this key challenge for the structural materials used in reactors.

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Section: Adjusting the Corrosion Potential Of Water And Molten Salt T...mentioning

confidence: 99%

Review on synergistic damage effect of irradiation and corrosion on reactor structural alloys

Liu,

Lei,

Huang

2024

NUCL SCI TECH

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“…Further, x-ray diffraction (XRD-600, Tokyo, Japan) was used to analyse the phase composition of WC-10Ni/NiCrBSi coatings, which was served at a scanning rate of 6°•min −1 within a scanning range of 30°─70°. The morphology and elemental composition of WC-10Ni/ NiCrBSi coatings were examined using a scanning electron microscope (SEM, Shimadzu, Kyoto, Japan) and energy dispersive spectroscopy (EDS) [19]. Thereafter, the structures of the newly formed phases on the surface and at the grain boundary were investigated via transmission electron microscopy (TEM 200 kV FEI Tecnai G2 F20).…”

Section: 2microstructure and Characterisationmentioning

confidence: 99%

Effects of different carbides content and brazing process on the electrochemical behaviour of vacuum brazed WC-10Ni+NiCrBSi coatings

Zhu,

Liu,

Yuan

et al. 2023

Phys. Scr.

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This study prepared a WC-10Ni/NiCrBSi composite coating on Q235 steel employing flexible coating cloth and vacuum brazing technologies. The surface hardness and corrosion resistance of the coating were characterised by the Vickers hardness, electrochemical, and micro-electrochemical tests. The results show that the corrosion resistance of the coating improved with the increase in cladding temperature. Moreover, with the increase in WC-10Ni content, the corrosion resistance of the coating decreased. Through transmission electron microscopy, scanning electron microscopy, and energy dispersive spectroscopy analysis, it is shown that there is galvanic corrosion in the micro-zone corrosion, where the WC particles are protected as cathodes, and the hardness of the coating is not affected by electrochemical behaviour. Thus, the hardness of the coating is not affected when it is applied in a corrosive environment.

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Simulation experiment for tellurium-induced intergranular cracking in oxidizing molten salt environment

Jiang,

Yu,

Liang

et al. 2023

Corrosion Science

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Effect of yttrium on intergranular embrittlement behavior of GH3535 alloy induced by tellurium

Cited by 6 publications

References 44 publications

Review on synergistic damage effect of irradiation and corrosion on reactor structural alloys

Review on synergistic damage effect of irradiation and corrosion on reactor structural alloys

Effects of different carbides content and brazing process on the electrochemical behaviour of vacuum brazed WC-10Ni+NiCrBSi coatings

Simulation experiment for tellurium-induced intergranular cracking in oxidizing molten salt environment

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