Hot Corrosion Behaviour by Na2SO4 Deposits of the 1st Generation AM1 Single-Crystal Nickel-Based Superalloy at 750 °C
2
Safran Aircraft Engines, Colombes, France
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3
ISAE-ENSMA, Institut Pprime, UPR CNRS 3346, Futuroscope—Chasseneuil, France
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Publication type: Journal Article
Publication date: 2024-09-19
scimago Q2
wos Q2
SJR: 0.289
CiteScore: 3.2
Impact factor: 2.0
ISSN: 27318397, 27318400
Abstract
This paper highlights that hot corrosion at 750 °C can develop on the surface of AM1 nickel-based single-crystal superalloy (SX) turbine blades, whether in the As-Cast (AC) or Fully Heat-Treated (FHT) states even in the absence of SO3 (g) flow. It was found that the 1 and 3 mg/cm2 Na2SO4 deposits induce sulphidation, oxidation and basic flux at such low temperature like in Type I hot corrosion. Sulphidation is mainly located in the γˈ-depleted zone irrespective the substrate (AC and FHT). The metallurgical segregations in the AC superalloy extend the incubation period in contrast to what is observed upon pure oxidation. The increase in salt content showed a reduction in hot corrosive attack by forming a barrier layer.
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High Temperature Corrosion of Materials
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Piel D. et al. Hot Corrosion Behaviour by Na2SO4 Deposits of the 1st Generation AM1 Single-Crystal Nickel-Based Superalloy at 750 °C // High Temperature Corrosion of Materials. 2024. Vol. 101. No. 6. pp. 1287-1299.
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Piel D., Martin A., Drouelle E., Cormier J., Pedraza F. Hot Corrosion Behaviour by Na2SO4 Deposits of the 1st Generation AM1 Single-Crystal Nickel-Based Superalloy at 750 °C // High Temperature Corrosion of Materials. 2024. Vol. 101. No. 6. pp. 1287-1299.
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TY - JOUR
DO - 10.1007/s11085-024-10304-4
UR - https://link.springer.com/10.1007/s11085-024-10304-4
TI - Hot Corrosion Behaviour by Na2SO4 Deposits of the 1st Generation AM1 Single-Crystal Nickel-Based Superalloy at 750 °C
T2 - High Temperature Corrosion of Materials
AU - Piel, D
AU - Martin, A.
AU - Drouelle, E
AU - Cormier, J
AU - Pedraza, F
PY - 2024
DA - 2024/09/19
PB - Springer Nature
SP - 1287-1299
IS - 6
VL - 101
SN - 2731-8397
SN - 2731-8400
ER -
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@article{2024_Piel,
author = {D Piel and A. Martin and E Drouelle and J Cormier and F Pedraza},
title = {Hot Corrosion Behaviour by Na2SO4 Deposits of the 1st Generation AM1 Single-Crystal Nickel-Based Superalloy at 750 °C},
journal = {High Temperature Corrosion of Materials},
year = {2024},
volume = {101},
publisher = {Springer Nature},
month = {sep},
url = {https://link.springer.com/10.1007/s11085-024-10304-4},
number = {6},
pages = {1287--1299},
doi = {10.1007/s11085-024-10304-4}
}
Cite this
MLA
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Piel, D., et al. “Hot Corrosion Behaviour by Na2SO4 Deposits of the 1st Generation AM1 Single-Crystal Nickel-Based Superalloy at 750 °C.” High Temperature Corrosion of Materials, vol. 101, no. 6, Sep. 2024, pp. 1287-1299. https://link.springer.com/10.1007/s11085-024-10304-4.