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Magnetics, IEEE Transactions on

Issue 1 • Date January 1978

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Displaying Results 1 - 10 of 10
  • [Front cover and table of contents]

    Publication Year: 1978 , Page(s): 0
    Save to Project icon | Request Permissions | PDF file iconPDF (217 KB)  
    Freely Available from IEEE
  • Replicate/transfer bubble switch

    Publication Year: 1978 , Page(s): 1 - 4
    Cited by:  Papers (4)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (520 KB)  

    A replicate/transfer switch compatible with the gap tolerant structure has been developed. The switch characteristics are superior to that of the existing switches both at the the 8-μm and 16-μm periods. The switch offers the advantages of good bias and phase margins, ease of fabrication, and reduced drive field requirements. In the 8-μm version the device requires a substantially l... View full abstract»

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  • Effect of various stress-relief annealing treatments on permeability and aging of grain-oriented electrical steel strips

    Publication Year: 1978 , Page(s): 4 - 8
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (592 KB)  

    A series of controlled experiments was performed to investigate the effect of various stress-relief annealing treatments on magnetic permeability and tendency to aging of grain-oriented electrical steel strips M5, 0.30 mm. The best quality is produced by stress-relief annealing in a continuous roller type furnace. However, wound transformer cores have to be stress-relief annealed in a batch type f... View full abstract»

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  • Aging of grain-oriented electrical steel strips

    Publication Year: 1978 , Page(s): 9 - 13
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (568 KB)  

    A high rate of manufacturing rejects occur from time to time in production lots of instrument current transformers. This has initiated a systematic search for the causes. One cause is the aging of grain-oriented electrical steel strips. Presented are the effects of aging on magnetic ac permeability, over a wide range of inductions from 0.005 T to 1.4 T on laminated and wound cores exposed to tempe... View full abstract»

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  • Effect of forsterite coatings on the domain structure of grain-oriented 3-percent Si-Fe

    Publication Year: 1978 , Page(s): 14 - 17
    Cited by:  Papers (5)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (984 KB)  

    Domain structures were observed in polycrystalline, high permeability grain oriented 3-percent Si-Fe before and after formation of a forsterite coating. A 200 kV scanning electron microscope was used for domain observations. Significant alterations in the supplementary (flux closure) domain structure and a substantial refinement in the 180° domain wall spacing were produced by the forsterite ... View full abstract»

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  • A vibrating coil magnetometer for quality control in relay manufacturing

    Publication Year: 1978 , Page(s): 17 - 21
    Cited by:  Patents (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (536 KB)  

    Where relay performance is shown to depend on the coercive force of the material used in the cote, accurate but convenient measurement of this material property forms part of production quality control. A magnetometer for this purpose is described and some results presented to show the necessity for such measurements. View full abstract»

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  • Properties of high-gradient magnetogravimetric systems--I. Single rods and gratings with oval and circular cross sections

    Publication Year: 1978 , Page(s): 21 - 27
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (584 KB)  

    The properties of two-dimensional rod systems are examined, use being made of the complex potential in conjunction with the conformal-transformation technique. The concept of prescribed trajectories whereby stronger, effective, levitational forces can be obtained is introduced. It is shown that the high-gradient magnetogravimetric-separation system is amenable to scale-up since sufficient levitati... View full abstract»

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  • YIG rod ferrite limiter with extended dynamic range

    Publication Year: 1978 , Page(s): 28 - 30
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (264 KB)  

    Analytical and experimental results obtained on a C -band ferrite limiter which utilizes a YIG rod inserted down the center of a coupled dielectric resonator bandpass structure are described. This device is aimed at providing receiver protection for communication systems operating in a dense, high signal power environment. By utilizing a long thin single-crysta... View full abstract»

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  • [Back cover]

    Publication Year: 1978 , Page(s): 0
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    Freely Available from IEEE
  • Magnetooptic color effects in bismuth garnet domains

    Publication Year: 1978 , Page(s): 31 - 32
    Cited by:  Patents (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (224 KB)  

    Domains in magnetic materials having a dispersive Faraday coefficient appear in various colors when viewed by the Faraday effect. If the polarizer and analyzer are slightly uncrossed, domains appear in four colors, three spectral colors and black, depending on the local normal component of magnetization. A theory is presented for this effect. Experimental values of color observed in bismuth substi... View full abstract»

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Aims & Scope

IEEE Transactions on Magnetics publishes research in science and technology related to the basic physics and engineering of magnetism, magnetic materials, applied magnetics, magnetic devices, and magnetic data storage.

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Meet Our Editors

Editor-in-Chief
Pavel Kabos
National Institute of Standards and Technology