UM
Preparation, characterization and microwave absorption properties of electroless Ni-Co-P-coated SiC powder
Li Y.; Wang R.; Qi F.; Wang C.
2008-05-30
Source PublicationApplied Surface Science
ISSN01694332
Volume254Issue:15Pages:4708-4715
AbstractSilicon carbide particles reinforced nickel-cobalt-phosphorus matrix composite coatings were prepared by two-step electroless plating process (pre-treatment of sensitizing and subsequent plating) for the application to lightweight microwave absorbers, which were characterized by scanning electron microscopy (SEM), X-ray diffraction analysis (XRD), vibrating sample magnetometer (VSM) and vector network analyzer, respectively. The results show that Ni-Co-P deposits are uniform and mixture crystalline of α-Co and NiP and exhibit low-specific saturation magnetization and low coercivity. Due to the conductive and ferromagnetic behavior of the Ni-Co thin films, high dielectric constant and magnetic loss can be obtained in the microwave frequencies. The maximum microwave loss of the composite powder less than -32 dB was found at the frequency of 6.30 GHz with a thickness of 2.5 mm when the initial atomic ratio of Ni-Co in the plating bath is 1.5. © 2008 Elsevier B.V. All rights reserved.
KeywordComplex relative dielectric permittivity Complex relative magnetic permeability Microstructure Reflection loss Silicon carbide
DOI10.1016/j.apsusc.2008.01.076
URLView the original
Language英語
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Cited Times [WOS]:88   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
AffiliationLanzhou University
Recommended Citation
GB/T 7714
Li Y.,Wang R.,Qi F.,et al. Preparation, characterization and microwave absorption properties of electroless Ni-Co-P-coated SiC powder[J]. Applied Surface Science,2008,254(15):4708-4715.
APA Li Y.,Wang R.,Qi F.,&Wang C..(2008).Preparation, characterization and microwave absorption properties of electroless Ni-Co-P-coated SiC powder.Applied Surface Science,254(15),4708-4715.
MLA Li Y.,et al."Preparation, characterization and microwave absorption properties of electroless Ni-Co-P-coated SiC powder".Applied Surface Science 254.15(2008):4708-4715.
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