Ba(Mg1/3Ta2/3)O3热障涂层的制备及抗热震性能

Yupeng Cao; Quansheng Wang; Yanbo Liu; Yating Shao

Ba(Mg_1/3Ta_2/3)O₃热障涂层的制备及抗热震性能

Translated title of the contribution: Preparation and Thermal Shock Resistance of Ba(Mg_1/3Ta_2/3)O₃ Thermal Barrier Coatings

Yupeng Cao, Quansheng Wang, Yanbo Liu^*, Yating Shao

^*Corresponding author for this work

School of Material Science and Engineering

Beijing Institute of Technology

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

2 Citations (Scopus)

Abstract

Ceramic powder Ba(Mg_1/3Ta_2/3)O₃ (BMT) was synthesized by the solid-phase synthesis method with the raw materials powder of BaCO₃, MgO, and Ta₂O₅. Then BMT/YSZ coatings were prepared by atmospheric plasma spraying (APS). The phase composition and microstructure of the BMT powder and coatings were analyzed by XRD, SEM and optical microscope. The thermal shock resistance was evaluated by water quenching. The results show that the BMT powder with perovskite structure can be synthesized at 1450 ℃ for 4 h. The BMT powder reveals desirable phase stability. The BMT/YSZ coatings have a compact microstructure and higher binding strength between each coating. Spallation is observed within the BMT coatings after 9 cycle thermal shock testing from 1150 ℃ to room temperature. Low fracture toughness of BMT and the precipitation of Ba₃Ta₅O₁₅ phase are the main reasons for failure of BMT/YSZ coatings.

Translated title of the contribution	Preparation and Thermal Shock Resistance of Ba(Mg_1/3Ta_2/3)O₃ Thermal Barrier Coatings
Original language	Chinese (Traditional)
Pages (from-to)	164-168
Number of pages	5
Journal	Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
Volume	47
Publication status	Published - 1 Jul 2018

Cite this

@article{a28c7b822fa148a5b8c6c72c0356d949,

title = "Ba(Mg1/3Ta2/3)O3热障涂层的制备及抗热震性能",

abstract = "Ceramic powder Ba(Mg1/3Ta2/3)O3 (BMT) was synthesized by the solid-phase synthesis method with the raw materials powder of BaCO3, MgO, and Ta2O5. Then BMT/YSZ coatings were prepared by atmospheric plasma spraying (APS). The phase composition and microstructure of the BMT powder and coatings were analyzed by XRD, SEM and optical microscope. The thermal shock resistance was evaluated by water quenching. The results show that the BMT powder with perovskite structure can be synthesized at 1450 ℃ for 4 h. The BMT powder reveals desirable phase stability. The BMT/YSZ coatings have a compact microstructure and higher binding strength between each coating. Spallation is observed within the BMT coatings after 9 cycle thermal shock testing from 1150 ℃ to room temperature. Low fracture toughness of BMT and the precipitation of Ba3Ta5O15 phase are the main reasons for failure of BMT/YSZ coatings.",

keywords = "Atmospheric plasma spraying (APS), Ba(MgTa)O, Thermal barrier coatings, Thermal shock resistance",

author = "Yupeng Cao and Quansheng Wang and Yanbo Liu and Yating Shao",

year = "2018",

month = jul,

day = "1",

language = "繁体中文",

volume = "47",

pages = "164--168",

journal = "Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering",

issn = "1002-185X",

publisher = "Science Press",

}

TY - JOUR

T1 - Ba(Mg1/3Ta2/3)O3热障涂层的制备及抗热震性能

AU - Cao, Yupeng

AU - Wang, Quansheng

AU - Liu, Yanbo

AU - Shao, Yating

PY - 2018/7/1

Y1 - 2018/7/1

N2 - Ceramic powder Ba(Mg1/3Ta2/3)O3 (BMT) was synthesized by the solid-phase synthesis method with the raw materials powder of BaCO3, MgO, and Ta2O5. Then BMT/YSZ coatings were prepared by atmospheric plasma spraying (APS). The phase composition and microstructure of the BMT powder and coatings were analyzed by XRD, SEM and optical microscope. The thermal shock resistance was evaluated by water quenching. The results show that the BMT powder with perovskite structure can be synthesized at 1450 ℃ for 4 h. The BMT powder reveals desirable phase stability. The BMT/YSZ coatings have a compact microstructure and higher binding strength between each coating. Spallation is observed within the BMT coatings after 9 cycle thermal shock testing from 1150 ℃ to room temperature. Low fracture toughness of BMT and the precipitation of Ba3Ta5O15 phase are the main reasons for failure of BMT/YSZ coatings.

AB - Ceramic powder Ba(Mg1/3Ta2/3)O3 (BMT) was synthesized by the solid-phase synthesis method with the raw materials powder of BaCO3, MgO, and Ta2O5. Then BMT/YSZ coatings were prepared by atmospheric plasma spraying (APS). The phase composition and microstructure of the BMT powder and coatings were analyzed by XRD, SEM and optical microscope. The thermal shock resistance was evaluated by water quenching. The results show that the BMT powder with perovskite structure can be synthesized at 1450 ℃ for 4 h. The BMT powder reveals desirable phase stability. The BMT/YSZ coatings have a compact microstructure and higher binding strength between each coating. Spallation is observed within the BMT coatings after 9 cycle thermal shock testing from 1150 ℃ to room temperature. Low fracture toughness of BMT and the precipitation of Ba3Ta5O15 phase are the main reasons for failure of BMT/YSZ coatings.

KW - Atmospheric plasma spraying (APS)

KW - Ba(MgTa)O

KW - Thermal barrier coatings

KW - Thermal shock resistance

UR - http://www.scopus.com/inward/record.url?scp=85056811580&partnerID=8YFLogxK

M3 - 文章

AN - SCOPUS:85056811580

SN - 1002-185X

VL - 47

SP - 164

EP - 168

JO - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

JF - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

ER -

Ba(Mg_1/3Ta_2/3)O₃热障涂层的制备及抗热震性能

Abstract

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