What question did this study set out to answer?

This study aims to evaluate the corrosion resistance of In625 coatings on carbon steel under exposure to nitrate salts.

July 10, 2026Journal of Thermal Spray TechnologyOpen Access

Corrosion Behavior of Plasma-Sprayed In625 Coatings Exposed to Nitrate Salts in Concentrating Solar Power Plants

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Authors

FRFelice Rubino VEVitantonio Esperto CMClaudio Munez

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Overview

Randomized trial investigates corrosion in In625 coated carbon steel exposed to nitrate salts, indicating material viability for solar energy systems.

Key Points

This study aims to evaluate the corrosion resistance of In625 coatings on carbon steel under exposure to nitrate salts.
Corrosion tests performed on In625 coated T22 carbon steel in eutectic nitrate mixture at 500 °C.
Samples tested for varying durations: 24, 72, 168, 336, and 504 hours.
Coating was applied using Compact Plasma Spray technique.
After 24 hours, In625 showed initial corrosion product formation at the surface.
Corrosion products spread through the coating thickness, reaching the coating/substrate interface after 500 hours.
The corrosion rate was measured at 0.4 mm/year due to poor cohesion of sprayed splats.

Cite This Study

Rubino et al. (2026) studied this question.

synapsesocial.com/papers/6a508bde6eeac72a437a0551 https://doi.org/10.1007/s11666-026-02281-8

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July 10, 2026Journal of Thermal Spray TechnologyOpen Access

Corrosion Behavior of Plasma-Sprayed In625 Coatings Exposed to Nitrate Salts in Concentrating Solar Power Plants

View Full Paper

Ask AI

Bookmark

Authors

FRFelice Rubino VEVitantonio Esperto CMClaudio Munez

Discussion

Member takes

Overview

Randomized trial investigates corrosion in In625 coated carbon steel exposed to nitrate salts, indicating material viability for solar energy systems.

Key Points

This study aims to evaluate the corrosion resistance of In625 coatings on carbon steel under exposure to nitrate salts.
Corrosion tests performed on In625 coated T22 carbon steel in eutectic nitrate mixture at 500 °C.
Samples tested for varying durations: 24, 72, 168, 336, and 504 hours.
Coating was applied using Compact Plasma Spray technique.
After 24 hours, In625 showed initial corrosion product formation at the surface.
Corrosion products spread through the coating thickness, reaching the coating/substrate interface after 500 hours.
The corrosion rate was measured at 0.4 mm/year due to poor cohesion of sprayed splats.

Cite This Study

Rubino et al. (2026) studied this question.

synapsesocial.com/papers/6a508bde6eeac72a437a0551 https://doi.org/10.1007/s11666-026-02281-8

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