SiC-glass as a diffusion barrier at the interface of MoSi2 coating and Nb-Si based alloy

Yanqiang Qiao; Yuchen Zhang; Weiping Zhang; Xiping Guo

doi:10.1016/j.corsci.2022.110678

SiC-glass as a diffusion barrier at the interface of MoSi₂ coating and Nb-Si based alloy

Yanqiang Qiao, Yuchen Zhang, Weiping Zhang, Xiping Guo

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

A SiC-glass interlayer was prepared as a diffusion barrier to suppress inter-diffusion between MoSi₂ coating and an Nb-Si based alloy, and its oxidation behavior at 1250 ℃ and 1400 ℃ was investigated. The results revealed that the SiC-glass diffusion barrier effectively inhibited the inter-diffusion between silicide coating and substrate, and the IDZ thickness is 47% lower than that of the coating without diffusion barrier after oxidation at 1250 ℃ for 500 h. At 1400 °C, the SiC-glass diffusion barrier also can maintain a good stability and retard the inter-diffusion of elements between the coating and substrate effectively.

Original language	English
Article number	110678
Journal	Corrosion Science
Volume	208
DOIs	https://doi.org/10.1016/j.corsci.2022.110678
State	Published - Nov 2022

Keywords

Diffusion barrier
MoSi coating
Nb-Si based alloy
Oxidation
SiC-glass

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10.1016/j.corsci.2022.110678

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title = "SiC-glass as a diffusion barrier at the interface of MoSi2 coating and Nb-Si based alloy",

abstract = "A SiC-glass interlayer was prepared as a diffusion barrier to suppress inter-diffusion between MoSi2 coating and an Nb-Si based alloy, and its oxidation behavior at 1250 ℃ and 1400 ℃ was investigated. The results revealed that the SiC-glass diffusion barrier effectively inhibited the inter-diffusion between silicide coating and substrate, and the IDZ thickness is 47% lower than that of the coating without diffusion barrier after oxidation at 1250 ℃ for 500 h. At 1400 °C, the SiC-glass diffusion barrier also can maintain a good stability and retard the inter-diffusion of elements between the coating and substrate effectively.",

keywords = "Diffusion barrier, MoSi coating, Nb-Si based alloy, Oxidation, SiC-glass",

author = "Yanqiang Qiao and Yuchen Zhang and Weiping Zhang and Xiping Guo",

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year = "2022",

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doi = "10.1016/j.corsci.2022.110678",

language = "英语",

volume = "208",

journal = "Corrosion Science",

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TY - JOUR

T1 - SiC-glass as a diffusion barrier at the interface of MoSi2 coating and Nb-Si based alloy

AU - Qiao, Yanqiang

AU - Zhang, Yuchen

AU - Zhang, Weiping

AU - Guo, Xiping

PY - 2022/11

Y1 - 2022/11

N2 - A SiC-glass interlayer was prepared as a diffusion barrier to suppress inter-diffusion between MoSi2 coating and an Nb-Si based alloy, and its oxidation behavior at 1250 ℃ and 1400 ℃ was investigated. The results revealed that the SiC-glass diffusion barrier effectively inhibited the inter-diffusion between silicide coating and substrate, and the IDZ thickness is 47% lower than that of the coating without diffusion barrier after oxidation at 1250 ℃ for 500 h. At 1400 °C, the SiC-glass diffusion barrier also can maintain a good stability and retard the inter-diffusion of elements between the coating and substrate effectively.

AB - A SiC-glass interlayer was prepared as a diffusion barrier to suppress inter-diffusion between MoSi2 coating and an Nb-Si based alloy, and its oxidation behavior at 1250 ℃ and 1400 ℃ was investigated. The results revealed that the SiC-glass diffusion barrier effectively inhibited the inter-diffusion between silicide coating and substrate, and the IDZ thickness is 47% lower than that of the coating without diffusion barrier after oxidation at 1250 ℃ for 500 h. At 1400 °C, the SiC-glass diffusion barrier also can maintain a good stability and retard the inter-diffusion of elements between the coating and substrate effectively.

KW - Diffusion barrier

KW - MoSi coating

KW - Nb-Si based alloy

KW - Oxidation

KW - SiC-glass

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DO - 10.1016/j.corsci.2022.110678

M3 - 文章

AN - SCOPUS:85138823517

SN - 0010-938X

VL - 208

JO - Corrosion Science

JF - Corrosion Science

M1 - 110678

ER -

SiC-glass as a diffusion barrier at the interface of MoSi₂ coating and Nb-Si based alloy

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Keywords

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