The effect of crystal and non-crystal structures on shielding material behaviour under A.C. field excitations

Nazaruddin Abd Rahman, Wan Nor liza Mahadi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Shielding effects in conductive and magnetic materials were investigated as a function of properties, thickness and diameter. In this work, evaluations on passive conductive and magnetic shield specimens were achieved through experimentation set-up using 50 Hz single and three phase induction field sources. Analysis on material microstructure properties and characteristics of shielding specimens were performed with the use of vibrating sample magnetometer (VSM) and field emission scanning electron microscopy (FESEM). An induction field at 136 μT of single phase system and 50 μT of three phase systems were observed to the shield specimens with the thickness ranged of 0.2 mm to 0.4 mm. It is observed that shield specimen efficiency becomes inversely proportionate to the increment of induction fields. The decrease was attributed to the surface structure texture which relates to the crystallization and non-crystallization geometrical effects.

Original languageEnglish
Pages (from-to)9-13
Number of pages5
JournalJournal of Magnetics
Volume18
Issue number1
DOIs
Publication statusPublished - 01 Mar 2013

Fingerprint

Shielding
shielding
alternating current
Conductive materials
induction
Crystals
crystal structure
Magnetic materials
Magnetometers
Crystallization
Surface structure
Field emission
excitation
Textures
Microstructure
Scanning electron microscopy
experimentation
magnetic materials
magnetometers
field emission

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

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The effect of crystal and non-crystal structures on shielding material behaviour under A.C. field excitations. / Abd Rahman, Nazaruddin; Mahadi, Wan Nor liza.

In: Journal of Magnetics, Vol. 18, No. 1, 01.03.2013, p. 9-13.

Research output: Contribution to journalArticle

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AU - Mahadi, Wan Nor liza

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