Sintering governing the cracking behaviors of different La2Zr2O7/YSZ ceramic layer combination TBCs at 1150 degrees C
Cheng, Bo1,2; Wang, Yu1; Zhang, Xin1; An, Guosheng1; Chu, Qianqian1; Zhang, Xinjian1; He, Dongqing1; Zhai, Haimin1; Li, Wensheng1
2021-12-25
发表期刊SURFACE & COATINGS TECHNOLOGY
ISSN0257-8972
卷号428
摘要Sintering behavior is one of the most important indicators correlated to the service behaviors for thermal barrier coatings (TBCs). 5 different La2Zr2O7(LZO)/YSZ double ceramic layer (DCL) combination TBCs are subjected to gradient thermal cyclic tests under the surface temperature of 1150 degrees C, aiming to elucidate the service behaviors of the DCL TBCs under relative low temperature. The failure of DCL TBCs is the cracking of top coat along inplane direction, the 8YSZ TBCs showed an vertical cracking after 2200 cycles, and the stress state transferred from tensile about 250 MPa to compressive of -60 MPa. The pure 8YSZ is superior to the DCL TBCs for the longterm application at relative low temperature. Sintering induced the competition of cracking driving force and resistance dominates the cracking of TBCs, the formation of vertical cracks released the stress of the 8Y TBCs system to a large extent and the lifetime was extended.
关键词Thermal barrier coatings Double ceramic layer Cracking Sintering Lifetime
DOI10.1016/j.surfcoat.2021.127910
收录类别SCIE
语种英语
WOS研究方向Materials Science ; Physics
WOS类目Materials Science, Coatings & Films ; Physics, Applied
WOS记录号WOS:000723649100002
出版者ELSEVIER SCIENCE SA
来源库WOS
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/150081
专题省部共建有色金属先进加工与再利用国家重点实验室
材料科学与工程学院
能源与动力工程学院
通讯作者Cheng, Bo
作者单位1.Lanzhou Univ Technol, Sch Mat Sci & Engn, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Gansu, Peoples R China;
2.Xi An Jiao Tong Univ, Sch Mat Sci & Engn, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R China
第一作者单位材料科学与工程学院
通讯作者单位材料科学与工程学院
第一作者的第一单位材料科学与工程学院
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GB/T 7714
Cheng, Bo,Wang, Yu,Zhang, Xin,et al. Sintering governing the cracking behaviors of different La2Zr2O7/YSZ ceramic layer combination TBCs at 1150 degrees C[J]. SURFACE & COATINGS TECHNOLOGY,2021,428.
APA Cheng, Bo.,Wang, Yu.,Zhang, Xin.,An, Guosheng.,Chu, Qianqian.,...&Li, Wensheng.(2021).Sintering governing the cracking behaviors of different La2Zr2O7/YSZ ceramic layer combination TBCs at 1150 degrees C.SURFACE & COATINGS TECHNOLOGY,428.
MLA Cheng, Bo,et al."Sintering governing the cracking behaviors of different La2Zr2O7/YSZ ceramic layer combination TBCs at 1150 degrees C".SURFACE & COATINGS TECHNOLOGY 428(2021).
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