Please use this identifier to cite or link to this item: https://doi.org/10.1504/IJCAT.2012.050706
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dc.titleDiffusion in annealing of nanocrystalline Ni80Fe20/Cu composite wires
dc.contributor.authorSeet, H.L.
dc.contributor.authorOng, M.J.
dc.contributor.authorLee, K.S.
dc.contributor.authorYi, J.B.
dc.contributor.authorLi, X.P.
dc.date.accessioned2014-10-07T09:02:54Z
dc.date.available2014-10-07T09:02:54Z
dc.date.issued2012
dc.identifier.citationSeet, H.L., Ong, M.J., Lee, K.S., Yi, J.B., Li, X.P. (2012). Diffusion in annealing of nanocrystalline Ni80Fe20/Cu composite wires. International Journal of Computer Applications in Technology 45 (2-3) : 171-176. ScholarBank@NUS Repository. https://doi.org/10.1504/IJCAT.2012.050706
dc.identifier.issn09528091
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/85009
dc.description.abstractWeak magnetic field sensors have always been an area of great interest due to their immense potential applications in a wide array of fields such as magnetic anomaly detectors (MAD) in defence-related industry or bio-magnetic field sensors in biomedical industry. The performance of such sensors greatly depends on the magnetic softness of the sensing elements. Thus, optimisation of the post-heat treatment process is crucial as it serves to release stresses induced during the deposition process. In this study, furnace annealing was carried out on Ni80Fe20/Cu composite wires at a range of annealing temperatures from 210°C-1,050°C. Inter-diffusion of Ni and Cu was observed at annealing temperature of 350°C, with the diffusion effect more pronounced at elevated annealing temperatures. This diffusion effect, coupled with increases in the surface roughness and average grain sizes as the annealing temperature was increased, resulted in the deterioration of magnetic properties and sensing performance of the composite wires, as indicated by the increase in coercivity, decrease in magneto-impedance (MI) effect and decrease in sensitivity. Copyright © 2012 Inderscience Enterprises Ltd. Copyright © 2012 Inderscience Enterprises Ltd.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1504/IJCAT.2012.050706
dc.sourceScopus
dc.subjectAnnealing
dc.subjectComposite wire
dc.subjectDiffusion
dc.subjectNanocrystalline
dc.subjectNickel alloy
dc.typeArticle
dc.contributor.departmentMECHANICAL ENGINEERING
dc.contributor.departmentMATERIALS SCIENCE AND ENGINEERING
dc.description.doi10.1504/IJCAT.2012.050706
dc.description.sourcetitleInternational Journal of Computer Applications in Technology
dc.description.volume45
dc.description.issue2-3
dc.description.page171-176
dc.description.codenIJCTE
dc.identifier.isiut000422489600010
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