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Permanent Magnets Obtained by Drawing Compacts of Parallel Iron Wires

 

作者: F. P. Levi,  

 

期刊: Journal of Applied Physics  (AIP Available online 1960)
卷期: Volume 31, issue 8  

页码: 1469-1471

 

ISSN:0021-8979

 

年代: 1960

 

DOI:10.1063/1.1735864

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A method of producing permanent magnets, which is believed to be novel, is briefly described. The method consists of drawing a compact containing parallel iron wires spaced by a copper alloy matrix until the iron wires become extremely small.Intrinsic coercive forces of 400 oe have been measured in samples drawn from compacts in which the initial spacing between the iron wires corresponded to an iron packing fractionpof about 0.45. Annealing of cold‐drawn samples generally increased both the coercive force and the squareness of the demagnetizing curve.

 

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