K. Ikuma;K. Akioka;T. Shimoda;R. Watanabe;H. Miyadera
{"title":"High-Energy Extrusion-Molded Nd-Fe-B Magnets","authors":"K. Ikuma;K. Akioka;T. Shimoda;R. Watanabe;H. Miyadera","doi":"10.1109/TJMJ.1994.4565930","DOIUrl":null,"url":null,"abstract":"High-energy extrusion-molded magnets, composed of isotropic Nd-Fe-B powder and Nylon-12, were developed. The mechanical properties and packing factor of the extruded products were investigated. With proper adjustment of the magnetic powder distribution, the extruded products contained 78 vol% magnetic powder and had a (BH)\n<inf>max</inf>\n of 9.9 MGOe. The shearing strength of the extruded products was 7.83 kgf/mm\n<sup>2</sup>\n, which is about 1.6 times that of compression-molded magnets with the same formulation. The porosity fraction in the extruded products was 1.1%, which is significantly less than in compression-molded magnets.","PeriodicalId":100647,"journal":{"name":"IEEE Translation Journal on Magnetics in Japan","volume":"9 5","pages":"94-99"},"PeriodicalIF":0.0000,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/TJMJ.1994.4565930","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Translation Journal on Magnetics in Japan","FirstCategoryId":"1085","ListUrlMain":"https://ieeexplore.ieee.org/document/4565930/","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
High-energy extrusion-molded magnets, composed of isotropic Nd-Fe-B powder and Nylon-12, were developed. The mechanical properties and packing factor of the extruded products were investigated. With proper adjustment of the magnetic powder distribution, the extruded products contained 78 vol% magnetic powder and had a (BH)
max
of 9.9 MGOe. The shearing strength of the extruded products was 7.83 kgf/mm
2
, which is about 1.6 times that of compression-molded magnets with the same formulation. The porosity fraction in the extruded products was 1.1%, which is significantly less than in compression-molded magnets.
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