Amorphous and partially-amorphous metal coatings for corrosion resistance in molten chloride salt

Raiman, Stephen S.; Mayes, Richard T.; Kurley, J. Matthew; Parrish, Riley; Vogli, E.

doi:10.1016/j.solmat.2019.110028

Cited by 36 publications

(13 citation statements)

References 25 publications

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“…As outlined in prior reports [8,[11][12][13], isothermal capsule testing was conducted in a 316H capsules (25 mm outer diameter x 100 mm tall x 1.2mm wall) that are welded shut in the Ar-filled glovebox to prevent contamination during loading or testing. To achieve a salt volume (cm 3 ) to specimen surface area (cm 2 ) ratio >10, small 316H coupons (~6 x 12 x 1-5 mm) were used with one specimen per capsule.…”

Section: Methodsmentioning

confidence: 99%

FLiBe Capsule Testing of 316H

Pint¹,

Parker²,

Sulejmanovic³

et al. 2021

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This milestone was originally envisioned for completion in FY20 and was delayed due to the COVID-19 response and lack of FLiBe salt. In March 2021, FLiBe salt was received from Kairos Power. The nine capsule experiments with type 316H stainless steel specimens and 316 capsules were completed at 550° and 650°C for 1000 h to bracket the conditions expected in the subsequent thermal convection loop (TCL) experiment. In three capsules, Be metal was added for redox control. The specimen mass losses were low, similar to those observed previously for FLiNaK salt and the addition of Be reduced the average mass loss. Initial characterization suggested that some reaction with Be may have occurred. Therefore, Be was not included in the TCL experiment.

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Section: Methodsmentioning

confidence: 99%

FLiBe Capsule Testing of 316H

Pint¹,

Parker²,

Sulejmanovic³

et al. 2021

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“…The capsules were then sealed (electron beam welded) within outer SS capsules to provide secondary containment. The capsule testing procedure has been described in detail elsewhere [38]. A total of 12 capsules were heated in a box furnace for 1000h in 316H or molybdenum capsules at either 550 or 650°C.…”

Section: Capsule Testingmentioning

confidence: 99%

Corrosion of 316H stainless steel in flowing FLiNaK salt

Raiman

Kurley

Sulejmanovic

et al. 2022

Journal of Nuclear Materials

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“…The capsules were then sealed within outer SS capsules to provide secondary containment. A full description of the capsule testing procedure is available in Ref [31]. For this work, the capsules were welded in an argon-filled glovebox with a TIG welder, so argon was present with the FLiNaK in the capsules for the present work but there was no opportunity for air ingress when loading capsules into an e-beam welder.…”

Section: Capsule Testingmentioning

confidence: 99%

Corrosion of 316H Stainless Steel in Flowing FLiNaK Salt

Raiman¹,

Kurley²,

Sulejmanovic³

et al. 2021

Preprint

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Type 316H stainless steel samples were exposed to flowing FLiNaK salt for 1000h in a thermal convection loop with a maximum temperature of 650°C and a minimum of 540°C. Samples in the hottest part of the loop lost mass, with a maximum mass loss of 1.8 mg/cm2, while samples in the coldest parts of the loop gained mass. Analysis of the samples that gained mass showed an iron-rich layer on the sample surfaces, suggesting that iron, not chromium, accounted for the majority of the mass transfer in the loop. Analysis of the salt showed major increases in the Cr, Fe, and Mn content of the salt during exposure. The loop was modeled using the TRANSFORM code. Modeled values matched the experimental temperature measurements showing that TRANSFORM is capable of accurately simulating the conditions in the loop.

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Amorphous and partially-amorphous metal coatings for corrosion resistance in molten chloride salt

Cited by 36 publications

References 25 publications

FLiBe Capsule Testing of 316H

FLiBe Capsule Testing of 316H

Corrosion of 316H stainless steel in flowing FLiNaK salt

Corrosion of 316H Stainless Steel in Flowing FLiNaK Salt

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