CHARACTERIZATION OF COBALT(Ⅱ)-PHTHALOCYANINE-METAL IRON COMPOSITES FOR MAGNETORHEOLOGICAL FLUIDS

CHARACTERIZATION OF COBALT(Ⅱ )-PHTHALOCYANINE-METAL IRON COMPOSITES FOR MAGNETORHEOLOGICAL FLUIDS

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摘要 Magnetorheological suspension based on 20 (v/V) % CoPc-iron composite particles dispersed in sili-cone oil have been obtained, which exhibited dynamic shear stress up to 2000Pa upon application of external magnetic field at 1300 Oe. The response is faster than 0. 15 -with superior reversibility of changes in viscosity induced by external magnetic field at above 12. 5℃. Further, it was found that the MR fluid is in possession of long-term stability a-gainst sedimentation. Magnetorheological suspension based on 20 (v/V) % CoPc-iron composite particles dispersed in sili-cone oil have been obtained, which exhibited dynamic shear stress up to 2000Pa upon application of external magnetic field at 1300 Oe. The response is faster than 0. 15 -with superior reversibility of changes in viscosity induced by external magnetic field at above 12. 5℃. Further, it was found that the MR fluid is in possession of long-term stability a-gainst sedimentation.

作者 GONG Rongzhou FANG Liang GUAN Jianguo YUAN Runzhang Wuhan University of Technology

出处《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 1999年第4期24-27,共4页 武汉理工大学学报（材料科学英文版）

基金 Chinese National Natural Science Foundation (No. 29674021) Hubei Natural Science Foundation(NO. 97J086).

关键词 magnetorheological suspension com- posite particles IRON cobalt(Ⅱ)-phthalocyanine magnetorheological suspension com- posite particles iron cobalt(Ⅱ)-phthalocyanine

分类号 TG143 [一般工业技术—材料科学与工程]

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Journal of Wuhan University of Technology(Materials Science)

1999年第4期

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CHARACTERIZATION OF COBALT(Ⅱ)-PHTHALOCYANINE-METAL IRON COMPOSITES FOR MAGNETORHEOLOGICAL FLUIDS

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