A systematic analysis of the calcium-magnesium-aluminosilicate corrosion behavior of high-entropy (5Re0.2)2Si2O7 materials

Fushuang Wei; Dongxing Zhang; Xue Gong; Yong Liu; Binxin Li; Peng Hao; Feifei Zhou; Baosheng Xu; Xiaodong Zhang; You Wang

doi:10.1016/j.corsci.2023.111221

A systematic analysis of the calcium-magnesium-aluminosilicate corrosion behavior of high-entropy (5Re_0.2)₂Si₂O₇ materials

Fushuang Wei, Dongxing Zhang, Xue Gong, Yong Liu, Binxin Li, Peng Hao, Feifei Zhou, Baosheng Xu, Xiaodong Zhang^*, You Wang

^*Corresponding author for this work

Institute of Advanced Structure Technology

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

15 Citations (Scopus)

Abstract

The CaO-MgO-AlO_1.5-SiO₂ (CMAS) corrosion resistance of disilicates is an urgent task in environmental barrier coatings. Based on this, four high-entropy rare earth disilicates (Yb_0.2Y_0.2Lu_0.2Sc_0.2Gd_0.2)₂Si₂O₇, (Yb_0.2Tm_0.2Lu_0.2Sc_0.2Gd_0.2)₂Si₂O₇, (Yb_0.2Tm_0.2Lu_0.2Sc_0.2Er_0.2)₂Si₂O₇, and (Yb_0.2Y_0.2Lu_0.2Ho_0.2Er_0.2)₂Si₂O₇ and single-component Yb₂Si₂O₇ for comparison were investigated. Results showed that cyclosilicate Ca₃RE₂(Si₃O₉)₂ and apatite Ca₂RE₈(SiO₄)₆O₂ are formed sequentially at 1300 ℃ for 48 h, which can block the CMAS from infiltrating the ceramics. The corrosion resistance of the four high-entropy rare earth silicates varied depending on the average RE³⁺ radius, but all performed better than Yb₂Si₂O₇.

Original language	English
Article number	111221
Journal	Corrosion Science
Volume	219
DOIs	https://doi.org/10.1016/j.corsci.2023.111221
Publication status	Published - 15 Jul 2023

Keywords

Calcium-magnesium-aluminosilicate (CMAS)
Environmental barrier materials
High-entropy ceramics
Ionic radius
Rare-earth disilicate

Access to Document

10.1016/j.corsci.2023.111221

Cite this

@article{66e5ff64c6bf48599af29623720c29f7,

title = "A systematic analysis of the calcium-magnesium-aluminosilicate corrosion behavior of high-entropy (5Re0.2)2Si2O7 materials",

abstract = "The CaO-MgO-AlO1.5-SiO2 (CMAS) corrosion resistance of disilicates is an urgent task in environmental barrier coatings. Based on this, four high-entropy rare earth disilicates (Yb0.2Y0.2Lu0.2Sc0.2Gd0.2)2Si2O7, (Yb0.2Tm0.2Lu0.2Sc0.2Gd0.2)2Si2O7, (Yb0.2Tm0.2Lu0.2Sc0.2Er0.2)2Si2O7, and (Yb0.2Y0.2Lu0.2Ho0.2Er0.2)2Si2O7 and single-component Yb2Si2O7 for comparison were investigated. Results showed that cyclosilicate Ca3RE2(Si3O9)2 and apatite Ca2RE8(SiO4)6O2 are formed sequentially at 1300 ℃ for 48 h, which can block the CMAS from infiltrating the ceramics. The corrosion resistance of the four high-entropy rare earth silicates varied depending on the average RE3+ radius, but all performed better than Yb2Si2O7.",

keywords = "Calcium-magnesium-aluminosilicate (CMAS), Environmental barrier materials, High-entropy ceramics, Ionic radius, Rare-earth disilicate",

author = "Fushuang Wei and Dongxing Zhang and Xue Gong and Yong Liu and Binxin Li and Peng Hao and Feifei Zhou and Baosheng Xu and Xiaodong Zhang and You Wang",

note = "Publisher Copyright: {\textcopyright} 2023",

year = "2023",

month = jul,

day = "15",

doi = "10.1016/j.corsci.2023.111221",

language = "English",

volume = "219",

journal = "Corrosion Science",

issn = "0010-938X",

publisher = "Elsevier Ltd.",

}

TY - JOUR

T1 - A systematic analysis of the calcium-magnesium-aluminosilicate corrosion behavior of high-entropy (5Re0.2)2Si2O7 materials

AU - Wei, Fushuang

AU - Zhang, Dongxing

AU - Gong, Xue

AU - Liu, Yong

AU - Li, Binxin

AU - Hao, Peng

AU - Zhou, Feifei

AU - Xu, Baosheng

AU - Zhang, Xiaodong

AU - Wang, You

PY - 2023/7/15

Y1 - 2023/7/15

N2 - The CaO-MgO-AlO1.5-SiO2 (CMAS) corrosion resistance of disilicates is an urgent task in environmental barrier coatings. Based on this, four high-entropy rare earth disilicates (Yb0.2Y0.2Lu0.2Sc0.2Gd0.2)2Si2O7, (Yb0.2Tm0.2Lu0.2Sc0.2Gd0.2)2Si2O7, (Yb0.2Tm0.2Lu0.2Sc0.2Er0.2)2Si2O7, and (Yb0.2Y0.2Lu0.2Ho0.2Er0.2)2Si2O7 and single-component Yb2Si2O7 for comparison were investigated. Results showed that cyclosilicate Ca3RE2(Si3O9)2 and apatite Ca2RE8(SiO4)6O2 are formed sequentially at 1300 ℃ for 48 h, which can block the CMAS from infiltrating the ceramics. The corrosion resistance of the four high-entropy rare earth silicates varied depending on the average RE3+ radius, but all performed better than Yb2Si2O7.

AB - The CaO-MgO-AlO1.5-SiO2 (CMAS) corrosion resistance of disilicates is an urgent task in environmental barrier coatings. Based on this, four high-entropy rare earth disilicates (Yb0.2Y0.2Lu0.2Sc0.2Gd0.2)2Si2O7, (Yb0.2Tm0.2Lu0.2Sc0.2Gd0.2)2Si2O7, (Yb0.2Tm0.2Lu0.2Sc0.2Er0.2)2Si2O7, and (Yb0.2Y0.2Lu0.2Ho0.2Er0.2)2Si2O7 and single-component Yb2Si2O7 for comparison were investigated. Results showed that cyclosilicate Ca3RE2(Si3O9)2 and apatite Ca2RE8(SiO4)6O2 are formed sequentially at 1300 ℃ for 48 h, which can block the CMAS from infiltrating the ceramics. The corrosion resistance of the four high-entropy rare earth silicates varied depending on the average RE3+ radius, but all performed better than Yb2Si2O7.

KW - Calcium-magnesium-aluminosilicate (CMAS)

KW - Environmental barrier materials

KW - High-entropy ceramics

KW - Ionic radius

KW - Rare-earth disilicate

UR - http://www.scopus.com/inward/record.url?scp=85153929442&partnerID=8YFLogxK

U2 - 10.1016/j.corsci.2023.111221

DO - 10.1016/j.corsci.2023.111221

M3 - Article

AN - SCOPUS:85153929442

SN - 0010-938X

VL - 219

JO - Corrosion Science

JF - Corrosion Science

M1 - 111221

ER -

A systematic analysis of the calcium-magnesium-aluminosilicate corrosion behavior of high-entropy (5Re_0.2)₂Si₂O₇ materials

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this