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Molds to Products
In the manufacture of molded products there is always a challenge to utilize advanced techniques such as monitoring and control systems (Chap. 7),...
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A new process to develop (100) texture in silicon steel sheets
A process for develo** (100) texture in silicon steel sheets by manganese removal and decarburization is described. The process consists of...
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Texture of primary recrystallization on nonoriented electrical steel sheet with phase transformation
The magnetic properties of nonoriented (NO) electrical steel sheet are commonly improved if the texture of their products possesses “cube texture”...
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On-line hardness assessment of cold-rolled motor lamination steels
It is important to be aware of variations in the mechanical hardness of strip emerging from the strand anneal lines, which are used to anneal...
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The magnetic applications choice among ferrite ceramics, metallic strips, or metal powder cores
Iron-based metallic strip materials such as iron, silicon-iron, and amorphous metal are used for low frequency (50–60 Hz. line) power applications....
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Magnetic properties of thin gauge 3% Si-Fe with {110}〈001〉 orientation
Thin-gauge 3% Si-Fe with {110}〈001〉 orientation is a suitable material for magnetic devices in the frequency range from 10 2 to 10 5 Hz. Low core loss...
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Nonoriented magnetic steel with improved texture and permeability
In nonoriented silicon steel, high-field permeability usually decreases with decreasing core loss. Recently developed steel grades offer higher...
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Texture improvement in high-permeability nonoriented electrical steel by antimony addition
The mechanism of the significant effect of antimony additions on texture improvement was studied, and the results are as follows. When grain size...
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New electrical steel with high permeability
This article describes the magnetic properties of a low-silicon-bearing nonoriented electrical steel, recently developed by UGINE S.A. as a core...
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Effect of alloying elements on response of nonoriented electrical steels to stam** operations
A suitable alloying design for improving the punchability of nonoriented electrical steels containing 0.1 % Si was investigated. The appropriate...
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Magnetic properties of high-efficiency core materials NC-M3 and NC-M4
High-efficiency core materials—New Core NC-M3 and NC-M4— with very low core loss and high permeability have been developed to improve the magnetic...
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Energy-efficient steels for motor laminations
Motors use over 60% of all electricity generated, and their losses exceed 200 × 10 9 kW.hr/year. A significant part of this loss results from eddy...
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Importance of rotational losses in rotating machines and transformers
There are increasing calls for a standard specification for the measurement of rotational losses in electrical steels and amorphous magnetic...
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Influence of M7C3 carbides orientation on the wear resistance of 300Kh20DNF white iron
1. Orientating the (Cr, Fe) 7 C 3 carbides with respect to the working surface, has a significant influence on the wear resistance of white irons.
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Metallic glasses in distribution transformer applications: An update
Metallic glasses suffer substantially lower energy losses than their crystalline counterparts and, therefore, allow increased efficiencies of...
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New initiatives in the assessment of surface insulation resistance of coatings on electrical steels
The steel cores of rotating machines and transformers must be laminated to restrain eddy currents. The methods of test used to assess the insulation...
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Spray Pyrolysis Technique for the Deposition of Superconducting Films
Research has been performed on the use of chemical spray pyrolysis for depositing films of YBCO. The effects of reagent concentration, deposition...
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Metal/Polymer Composites in Magnetic Components
Metal/polymer composites are evident in sub-micron electronic components. Though they do not have the structural visibility of composites of metals...
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Effect of cold reduction on the magnetic properties of a nonoriented, low silicon electrical steel
The effect of cold reduction on the magnetic properties of a nonoriented, low silicon electrical steel was investigated in the laboratory and in the...