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Adjustable character of microwave attenuation in BaTiO3 electrorheological fluids
Fan, JJ; Zhao, XP; Huang, M; Guan, LT; Wen, LH
Corresponding AuthorZhao, XP()
2002-10-01
Source PublicationPROGRESS IN NATURAL SCIENCE
ISSN1002-0071
Volume12Issue:10Pages:753-758
AbstractThe behavior of microwave attenuation in BaTiO3 electrorheological fluids is studied when considering microwave propagation in the directions perpendicular and parallel to the particle chains, respectively. In the former case, the microwave attenuation increases with field strength when the particle concentration is low, and the increase of the particle concentration can also increase the microwave attenuation. However, when the particle concentration exceeds a critical value, the attenuation will first increase then decrease with field strength. At the same time, the higher the field strength, the greater the change of microwave attenuation. Moreover, there is a saturation field strength. When the field strength is lower than the saturated one, the change of microwave attenuation is fast. On the other hand, in the case of microwave propagation parallel to the particle chains, the microwave attenuation increases with the field strength monotonously. In addition, the variation of microwave attenuation with the field strength shows relaxation effect. The adjustable character of microwave attenuation in BaTiO3 ER fluids can be attributed to the dielectric changes resulting from the field-induced-structural transformation and the polarization of BaTiO3.
Keywordelectrorheological fluids BaTiO3 microwave attenuation relaxation effect
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Science & Technology - Other Topics
WOS SubjectMaterials Science, Multidisciplinary ; Multidisciplinary Sciences
WOS IDWOS:000179733000006
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/113920
Collection中国科学院金属研究所
Corresponding AuthorZhao, XP
Affiliation1.Northwestern Polytech Univ, Inst Eelctrorheol Technol 141, Xian 710072, Peoples R China
2.Chinese Acad Sci, Met Res Inst, Shenyang 110015, Peoples R China
Recommended Citation
GB/T 7714
Fan, JJ,Zhao, XP,Huang, M,et al. Adjustable character of microwave attenuation in BaTiO3 electrorheological fluids[J]. PROGRESS IN NATURAL SCIENCE,2002,12(10):753-758.
APA Fan, JJ,Zhao, XP,Huang, M,Guan, LT,&Wen, LH.(2002).Adjustable character of microwave attenuation in BaTiO3 electrorheological fluids.PROGRESS IN NATURAL SCIENCE,12(10),753-758.
MLA Fan, JJ,et al."Adjustable character of microwave attenuation in BaTiO3 electrorheological fluids".PROGRESS IN NATURAL SCIENCE 12.10(2002):753-758.
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