K. Ikuma;K. Akioka;T. Shimoda;R. Watanabe;H. Miyadera
{"title":"高能挤压成型Nd-Fe-B磁体","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":"{\"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}","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}
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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