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A novel core-shell structured ultra-coarse WC-Co composite powders prepared by fluidized bed chemical vapor deposition
Zhang, Lei1,2; Xin, Fengxia3; Du, Zhan1; Xiang, Maoqiao1; Yang, Yafeng1,2; Zhu, Qingshan1,2; Shi, Yu4
2019-04-01
Source PublicationJOURNAL OF THE AMERICAN CERAMIC SOCIETY
ISSN0002-7820
Volume102Issue:4Pages:1599-1607
AbstractThe ultra-coarse WC-Co composite powders with a core-shell structure were effectively prepared by fluidized bed chemical vapor deposition (FBCVD) using CoCl2 precursor. An excellent interfacial bonding was formed between WC and the deposited Co. Defluidization was the major barrier to depositing high-Co-content composite powders, which was caused by the adhesion of the deposited Co particles. Decreasing the deposition temperature reduced the cohesion force of the deposited Co particles, which was thus beneficial to preventing the defluidization. Increasing the WC particle size and the gas velocity increased the collision force and benefited the fluidization. The final Co contents were largely dependent on the deposition and fluidization behaviors. For the conditions tested, the optimal deposition temperature was 800 degrees C while the minimum WC particle size suitable for FBCVD was 25 m.
KeywordCeramic-metal systems chemical vapor deposition composites core-shell structures sintering
DOI10.1111/jace.16076
Language英语
WOS KeywordMECHANICAL-PROPERTIES ; FUEL-ELEMENT ; GAS ; DEFLUIDIZATION
Funding ProjectNational Key Research and Development Program of China[2018YFB1105100] ; Key Research Program of Frontier Sciences[QYZDB-SSW-JSC045] ; National Natural Science Foundation of China[21736010] ; National Youth Thousand Plan Program
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
Funding OrganizationNational Key Research and Development Program of China ; Key Research Program of Frontier Sciences ; National Natural Science Foundation of China ; National Youth Thousand Plan Program
WOS IDWOS:000459595500008
PublisherWILEY
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/28044
Collection中国科学院过程工程研究所
Corresponding AuthorYang, Yafeng; Zhu, Qingshan
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.China Univ Petr, Beijing, Peoples R China
4.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou, Gansu, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Lei,Xin, Fengxia,Du, Zhan,et al. A novel core-shell structured ultra-coarse WC-Co composite powders prepared by fluidized bed chemical vapor deposition[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY,2019,102(4):1599-1607.
APA Zhang, Lei.,Xin, Fengxia.,Du, Zhan.,Xiang, Maoqiao.,Yang, Yafeng.,...&Shi, Yu.(2019).A novel core-shell structured ultra-coarse WC-Co composite powders prepared by fluidized bed chemical vapor deposition.JOURNAL OF THE AMERICAN CERAMIC SOCIETY,102(4),1599-1607.
MLA Zhang, Lei,et al."A novel core-shell structured ultra-coarse WC-Co composite powders prepared by fluidized bed chemical vapor deposition".JOURNAL OF THE AMERICAN CERAMIC SOCIETY 102.4(2019):1599-1607.
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