Nonlinear Oxidation Behavior at Interfaces in Coated Steam Dual-Pipe with Initial Waviness and Cooling Temperature

Yuan, Bo; Wang, Ke; Guo, Xiaofeng; Gao, Junxiang; Chen, Pengfei

doi:10.3390/coatings14121478

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Nonlinear Oxidation Behavior at Interfaces in Coated Steam Dual-Pipe with Initial Waviness and Cooling Temperature

by

Bo Yuan

^1,*

,

Ke Wang

¹,

Xiaofeng Guo

^1,*,

Junxiang Gao

¹ and

Pengfei Chen

^2,3

¹

School of Mechanical Engineering, Inner Mongolia University of Science and Technology, Baotou 014010, China

²

Chinese Aeronautical Establishment, Beijing 100029, China

³

School of Aeronautic Science and Engineering, Beihang University, Beijing 100191, China

^*

Authors to whom correspondence should be addressed.

Coatings 2024, 14(12), 1478; https://doi.org/10.3390/coatings14121478

Submission received: 24 September 2024 / Revised: 17 November 2024 / Accepted: 20 November 2024 / Published: 22 November 2024

(This article belongs to the Section Ceramic Coatings and Engineering Technology)

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Abstract

A numerical simulation method is proposed to investigate the nonlinear growth of thermally grown oxide (TGO) on a novel coated steam dual-pipe system operating at 700

^{\circ}

C. Utilizing oxidation kinetics data from high-temperature water vapor experiments, the study examines interface stresses and morphology evolution, considering initial surface waviness and cooling temperature effects. The findings indicate that the parabolic law accurately describes the nonlinear growth of TGO during high-temperature water vapor oxidation, with the TGO growth oxidation rate constant being

4.5 \times 10^{- 4} μ m^{2} / h

. The growth rate of TGO thickness decreases with increasing oxidation duration. Stress concentrations are found to develop at TGO interfaces, particularly in regions with high curvature, and those with elevated wavy amplitudes. The primary factor influencing stress redistribution and morphology evolution is the wavy amplitude of the TGO. Additionally, variations in cooling temperature affect interface stresses along the axial direction of the pipe system during nonlinear oxidation, resulting in relatively minor changes in morphology.

Keywords: coated steam dual-pipe system; thermal barrier coating; thermally grown oxide; interface waviness; cooling temperature

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MDPI and ACS Style

Yuan, B.; Wang, K.; Guo, X.; Gao, J.; Chen, P. Nonlinear Oxidation Behavior at Interfaces in Coated Steam Dual-Pipe with Initial Waviness and Cooling Temperature. Coatings 2024, 14, 1478. https://doi.org/10.3390/coatings14121478

AMA Style

Yuan B, Wang K, Guo X, Gao J, Chen P. Nonlinear Oxidation Behavior at Interfaces in Coated Steam Dual-Pipe with Initial Waviness and Cooling Temperature. Coatings. 2024; 14(12):1478. https://doi.org/10.3390/coatings14121478

Chicago/Turabian Style

Yuan, Bo, Ke Wang, Xiaofeng Guo, Junxiang Gao, and Pengfei Chen. 2024. "Nonlinear Oxidation Behavior at Interfaces in Coated Steam Dual-Pipe with Initial Waviness and Cooling Temperature" Coatings 14, no. 12: 1478. https://doi.org/10.3390/coatings14121478

APA Style

Yuan, B., Wang, K., Guo, X., Gao, J., & Chen, P. (2024). Nonlinear Oxidation Behavior at Interfaces in Coated Steam Dual-Pipe with Initial Waviness and Cooling Temperature. Coatings, 14(12), 1478. https://doi.org/10.3390/coatings14121478

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Nonlinear Oxidation Behavior at Interfaces in Coated Steam Dual-Pipe with Initial Waviness and Cooling Temperature

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