Fabrication and characterization of novel powder reconstitution derived nanostructured spherical La-2(Zr0.75Ce0.25)(2)O-7 feedstock for plasma spraying

doi:10.1016/j.apsusc.2018.08.040

	Fabrication and characterization of novel powder reconstitution derived nanostructured spherical La-2(Zr0.75Ce0.25)(2)O-7 feedstock for plasma spraying
	Zhou, Feifei 1,2; Wang, You ; Chen, Wenlong 1,2; LiangWang 3; Huang, Changxiang 4; Wang, Yaming ; Liu, Min 1,2
刊名	APPLIED SURFACE SCIENCE
	2018
卷号	459 页码:468
关键词	Nanostructure La-2(Zr0.75Ce0.25)(2)O-7 Spherical feedstock Powder reconstitution
ISSN号	0169-4332
DOI	10.1016/j.apsusc.2018.08.040
英文摘要	High-performance thermal spraying feedstock is of great significance for obtaining high quality plasma-sprayed thermal barrier coatings (TBCs). Rare-earth zirconates TBCs have attracted much more attention so far. In this paper, the nanostructured La-2(Zr0.75Ce0.25)(2)O-7 (LCZ) feedstock was fabricated by the nanopowder reconstitution method. The microstructures of the LCZ feedstock were characterized by transmission electron microscopy, X-ray diffraction, Raman spectroscopy and scanning electron microscopy. Moreover, the thermo-physical properties of the LCZ feedstock were also evaluated. The results indicate that the spherical LCZ feedstock with the median particle size (d(50)) of 37.40 mu m consists of only pyrochlore phase. Compared with the nanostructured La2Zr2O7(LZ) feedstock, the tap density and flowability of the LCZ feedstock are enhanced considerably. As for the LCZ coating, the thermal conductivity is much lower and the thermal expansion coefficient (TEC) is relatively higher than the LZ coating. Therefore, the nanostructured LCZ feedstock can be a promising advanced thermal spraying feedstock used for double ceramic layer TBCs in future.
学科主题	Chemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000444600300060
资助机构	This work was supported by the National Natural Science Foundation of China (NSFC) under the Grant No. 51671208, National NSAF (Grant No. U1730139), National Key Research Program (2017YFB0306100), Guangdong Academy of Sciences Program (Nos. 2018GDASCX-0402, 2017GDASCX-0202, 2017GDASCX-0111), Guangdong Technical Research Program (Nos. 2017B090916002, 2017A070701027), Guangdong Natural Science Foundation (Nos. 2016A030312015, 2017A030310315), and Guangzhou Technical Research Program (Nos. 201605131008557, 201707010385). ; This work was supported by the National Natural Science Foundation of China (NSFC) under the Grant No. 51671208, National NSAF (Grant No. U1730139), National Key Research Program (2017YFB0306100), Guangdong Academy of Sciences Program (Nos. 2018GDASCX-0402, 2017GDASCX-0202, 2017GDASCX-0111), Guangdong Technical Research Program (Nos. 2017B090916002, 2017A070701027), Guangdong Natural Science Foundation (Nos. 2016A030312015, 2017A030310315), and Guangzhou Technical Research Program (Nos. 201605131008557, 201707010385).
内容类型	期刊论文
源URL	[http://ir.sic.ac.cn/handle/331005/24627]
专题	中国科学院上海硅酸盐研究所
作者单位	1.Harbin Inst Technol, Sch Mat Sci & Engn, Dept Mat Sci, Harbin 150001, Heilongjiang, Peoples R China 2.Guangdong Inst New Mat, Natl Engn Lab Modern Mat Surface Engn Technol, Guangzhou 510651, Guangdong, Peoples R China 3.Guangdong Inst New Mat, Key Lab Guangdong Modern Surface Engn Technol, Guangzhou 510651, Guangdong, Peoples R China 4.Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Inorgan Coating Mat CAS, Shanghai 201899, Peoples R China 5.Fujian Dilong Innovat Dev Co Ltd, Quanzhou 362010, Peoples R China
推荐引用方式 GB/T 7714	Zhou, Feifei,Wang, You,Chen, Wenlong,et al. Fabrication and characterization of novel powder reconstitution derived nanostructured spherical La-2(Zr0.75Ce0.25)(2)O-7 feedstock for plasma spraying[J]. APPLIED SURFACE SCIENCE,2018,459:468, 476.
APA	Zhou, Feifei.,Wang, You.,Chen, Wenlong.,LiangWang.,Huang, Changxiang.,...&Liu, Min.(2018).Fabrication and characterization of novel powder reconstitution derived nanostructured spherical La-2(Zr0.75Ce0.25)(2)O-7 feedstock for plasma spraying.APPLIED SURFACE SCIENCE,459,468.
MLA	Zhou, Feifei,et al."Fabrication and characterization of novel powder reconstitution derived nanostructured spherical La-2(Zr0.75Ce0.25)(2)O-7 feedstock for plasma spraying".APPLIED SURFACE SCIENCE 459(2018):468.