Stress corrosion cracking of 304L stainless steel in molten salts media

Atmani, H.; Rameau, J.J.

doi:10.1016/0010-938x(84)90014-3

Cited by 15 publications

(3 citation statements)

References 5 publications

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“…Similar responses have been observed in FLiNaK and FLiBe chemistries considered for molten salt cooled nuclear reactor designs, driving similar research efforts to identify and engineer new materials to withstand those related environments. [190][191][192] Surprisingly, after the seminal work of Atmani and Rameau in 1980, 191,193 who investigated stress-corrosion cracking (SCC) of stainless steel in molten NaCl-CaCl 2 at 840 K utilizing a uniquely designed tensile test apparatus, few groups have aimed at studying the combined impact of mechanical stress and chemical attack under CSP conditions. 194 This research gap, in part, is a result of expected low-stress conditions of CSP or molten salt reactor designs, but localized attack and grain-boundary embrittlement could well be anticipated in service.…”

Section: Molten Salt Corrosionmentioning

confidence: 99%

Materials properties characterization in the most extreme environments

et al. 2022

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There is an ever-increasing need for material systems to operate in the most extreme environments encountered in space exploration, energy production, and propulsion systems. To effectively design materials to reliably operate in extreme environments, we need an array of tools to both sustain lab-scale extreme conditions and then probe the materials properties across a variety of length and time scales. Within this article, we examine the state-of-the-art experimental systems for testing materials under extreme environments and highlight the limitations of these approaches. We focus on three areas: (1) extreme temperatures, (2) extreme mechanical testing, and (3) chemically hostile environments. Within these areas, we identify six opportunities for instrument and technique development that are poised to dramatically impact the further understanding and development of next-generation materials for extreme environments. Graphical abstract

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Section: Molten Salt Corrosionmentioning

confidence: 99%

Materials properties characterization in the most extreme environments

et al. 2022

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“…Stress corrosion cracking is induced in aqueous medium, under chloride or hot caustic environments. Such stress corrosion tests were performed in an artificially-designed apparatus [7]. In situ charged-coupled device (CCD) monitoring was applied to measure the vertical displacement in structural units and the cavity length between specified objects [8,9] Impedance-based microcracking characterization was employed in cement-based materials through the installation of external electrodes [10].…”

Section: Introductionmentioning

confidence: 99%

“…Effective nondestructive monitoring should offer highly reproducible identification techniques for locating/quantifying the mechanically vulnerable cracks in civil engineering structures. However, the pre-existing approaches, i.e., surface replica methods, in situ CCD monitoring, potentiometry, impedance spectroscopy, acoustic emission monitoring, and measurements with fiber Bragg grating sensors are proposed to be hindered by the difficulty in applying the techniques for the on-site/ real-time tracking of cracks [4][5][6][7][8][9][10][11]. The current work investigates a facile on-site approach of applying a self-infiltrating QD solution, which incorporates QD materials dispersed in water, to monitor the structural health of concrete-based constructions.…”

Section: Introductionmentioning

confidence: 99%

Crack monitoring in shape memory alloy/cement composite materials using water-dispersed quantum dots

Kim

Han

Kim

et al. 2018

Smart Mater. Struct.

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Highly luminescent, heterostructurally engineered CdZnSeS@ZnS quantum dot (QD) materials are surface-modified through ligand exchange from hydrophobicity to hydrophilicity, by which the QD surface becomes compatible with the cementitious materials fabricated from a water-based constituent. Facile structural health monitoring tools are proposed based on aqueous QD material applied to mechanical defects encountered in cement-based materials and similar massive infrastructure. Unlike the pre-existing materials approach, the current work employed water as the dispersion medium, which is compatible with the pre-existing structural environment, thus facilitating infiltration of the aqueous solution into the porous or cracked cement-based systems. The aqueous QD solutions are proven to be suitable for crack monitoring in cement-based materials.

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