{"title":"熔融纺铁RB合金的磁硬化","authors":"C.J. Yang, R. Ray, R.C. O'Handley","doi":"10.1016/0025-5416(88)90309-6","DOIUrl":null,"url":null,"abstract":"<div><p>The effect of annealing treatment on melt-spun FeNdB-based multicomponent alloys has been studied by differential scanning calorimetry (DSC), X-ray diffraction and magnetic measurements. Magnetic hardening produced by annealing around 650–700°C results in coercivities H<sub><em>ci</em></sub> of 7–14 kOe. The partial replacement of iron by cobalt plus aluminum results in a high energy product in the as-spun state owing to the fine microstructure. When neodymium is partially replaced by praseodymium (to produce a high coercivity) or when silicon is added, glass formation is enhanced. It has been confirmed that a cost effective (Fe, Co)(Nd, Pr, Mm)(B, Al, Si)-based isotropic permanent magnet, having an energy product (BH)<sub>max</sub> of 8 MGOe, can be compacted using a simplified die pressing.</p></div>","PeriodicalId":100890,"journal":{"name":"Materials Science and Engineering","volume":"99 1","pages":"Pages 137-141"},"PeriodicalIF":0.0000,"publicationDate":"1988-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0025-5416(88)90309-6","citationCount":"4","resultStr":"{\"title\":\"Magnetic hardening in melt-spun FeRB alloys\",\"authors\":\"C.J. Yang, R. Ray, R.C. O'Handley\",\"doi\":\"10.1016/0025-5416(88)90309-6\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The effect of annealing treatment on melt-spun FeNdB-based multicomponent alloys has been studied by differential scanning calorimetry (DSC), X-ray diffraction and magnetic measurements. Magnetic hardening produced by annealing around 650–700°C results in coercivities H<sub><em>ci</em></sub> of 7–14 kOe. The partial replacement of iron by cobalt plus aluminum results in a high energy product in the as-spun state owing to the fine microstructure. When neodymium is partially replaced by praseodymium (to produce a high coercivity) or when silicon is added, glass formation is enhanced. It has been confirmed that a cost effective (Fe, Co)(Nd, Pr, Mm)(B, Al, Si)-based isotropic permanent magnet, having an energy product (BH)<sub>max</sub> of 8 MGOe, can be compacted using a simplified die pressing.</p></div>\",\"PeriodicalId\":100890,\"journal\":{\"name\":\"Materials Science and Engineering\",\"volume\":\"99 1\",\"pages\":\"Pages 137-141\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1988-03-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0025-5416(88)90309-6\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Materials Science and Engineering\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0025541688903096\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Materials Science and Engineering","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0025541688903096","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The effect of annealing treatment on melt-spun FeNdB-based multicomponent alloys has been studied by differential scanning calorimetry (DSC), X-ray diffraction and magnetic measurements. Magnetic hardening produced by annealing around 650–700°C results in coercivities Hci of 7–14 kOe. The partial replacement of iron by cobalt plus aluminum results in a high energy product in the as-spun state owing to the fine microstructure. When neodymium is partially replaced by praseodymium (to produce a high coercivity) or when silicon is added, glass formation is enhanced. It has been confirmed that a cost effective (Fe, Co)(Nd, Pr, Mm)(B, Al, Si)-based isotropic permanent magnet, having an energy product (BH)max of 8 MGOe, can be compacted using a simplified die pressing.
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