CN108109798A - 变压器用永磁体的制备方法 - Google Patents
变压器用永磁体的制备方法 Download PDFInfo
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- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
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Abstract
一种变压器用永磁体的制备方法,步骤如下:称取重量份数的如下粉末:11份钕,50份铁,3份硼,1份铑,1份钯,1份银,1份铈,2份镨,3份钷,1份钐,2份铕,3份钆,1份镝,2份钬,混合均匀得到混合粉末,将混合粉末放在真空干燥箱中干燥后,在氩气的保护下,利用高能球磨机将混合粉末进行充分球磨和混合,然后在20MPa压强下,将球磨后的混合粉末在550℃下热压烧结30min后随炉冷却,即得到变压器用永磁体。
Description
技术领域
变压器用永磁体的制备方法。
背景技术
现有技术中,变压器用永磁体主要是钕铁硼类永磁体,普遍存在磁性不足的问题。
发明内容
本发明提供一种变压器用永磁体的制备方法,步骤如下:称取重量份数的如下粉末:11份钕,50份铁,3份硼,1份铑,1份钯,1份银,1份铈,2份镨,3份钷,1份钐,2份铕,3份钆,1份镝,2份钬,混合均匀得到混合粉末,将混合粉末放在真空干燥箱中干燥后,在氩气的保护下,利用高能球磨机将混合粉末进行充分球磨和混合,然后在20MPa压强下,将球磨后的混合粉末在550℃下热压烧结30min后随炉冷却,即得到变压器用永磁体。
采用本发明的工艺和设备明显提高磁体的磁性能和耐腐蚀性能,是非常有发展的工艺和设备技术。
具体实施方式
实施例1
一种变压器用永磁体的制备方法,步骤如下:称取重量份数的如下粉末:11份钕,50份铁,3份硼,1份铑,1份钯,1份银,1份铈,2份镨,3份钷,1份钐,2份铕,3份钆,1份镝,2份钬,混合均匀得到混合粉末,将混合粉末放在真空干燥箱中干燥后,在氩气的保护下,利用高能球磨机将混合粉末进行充分球磨和混合,然后在20MPa压强下,将球磨后的混合粉末在550℃下热压烧结30min后随炉冷却,即得到变压器用永磁体。
实施例2
一种变压器用永磁体的制备方法,步骤如下:称取重量份数的如下粉末:12份钕,50份铁,3份硼,1份铑,1份钯,1份银,1份铈,2份镨,3份钷,1份钐,2份铕,3份钆,1份镝,2份钬,混合均匀得到混合粉末,将混合粉末放在真空干燥箱中干燥后,在氩气的保护下,利用高能球磨机将混合粉末进行充分球磨和混合,然后在20MPa压强下,将球磨后的混合粉末在550℃下热压烧结30min后随炉冷却,即得到变压器用永磁体。
实施例3
一种变压器用永磁体的制备方法,步骤如下:称取重量份数的如下粉末:13份钕,50份铁,3份硼,1份铑,1份钯,1份银,1份铈,2份镨,3份钷,1份钐,2份铕,3份钆,1份镝,2份钬,混合均匀得到混合粉末,将混合粉末放在真空干燥箱中干燥后,在氩气的保护下,利用高能球磨机将混合粉末进行充分球磨和混合,然后在20MPa压强下,将球磨后的混合粉末在550℃下热压烧结30min后随炉冷却,即得到变压器用永磁体。
实施例4
一种变压器用永磁体的制备方法,步骤如下:称取重量份数的如下粉末:14份钕,50份铁,3份硼,1份铑,1份钯,1份银,1份铈,2份镨,3份钷,1份钐,2份铕,3份钆,1份镝,2份钬,混合均匀得到混合粉末,将混合粉末放在真空干燥箱中干燥后,在氩气的保护下,利用高能球磨机将混合粉末进行充分球磨和混合,然后在20MPa压强下,将球磨后的混合粉末在550℃下热压烧结30min后随炉冷却,即得到变压器用永磁体。
实施例5
一种变压器用永磁体的制备方法,步骤如下:称取重量份数的如下粉末:15份钕,50份铁,3份硼,1份铑,1份钯,1份银,1份铈,2份镨,3份钷,1份钐,2份铕,3份钆,1份镝,2份钬,混合均匀得到混合粉末,将混合粉末放在真空干燥箱中干燥后,在氩气的保护下,利用高能球磨机将混合粉末进行充分球磨和混合,然后在20MPa压强下,将球磨后的混合粉末在550℃下热压烧结30min后随炉冷却,即得到变压器用永磁体。
实施例6
一种变压器用永磁体的制备方法,步骤如下:称取重量份数的如下粉末:16份钕,50份铁,3份硼,1份铑,1份钯,1份银,1份铈,2份镨,3份钷,1份钐,2份铕,3份钆,1份镝,2份钬,混合均匀得到混合粉末,将混合粉末放在真空干燥箱中干燥后,在氩气的保护下,利用高能球磨机将混合粉末进行充分球磨和混合,然后在20MPa压强下,将球磨后的混合粉末在550℃下热压烧结30min后随炉冷却,即得到变压器用永磁体。
实施例7
一种变压器用永磁体的制备方法,步骤如下:称取重量份数的如下粉末:17份钕,50份铁,3份硼,1份铑,1份钯,1份银,1份铈,2份镨,3份钷,1份钐,2份铕,3份钆,1份镝,2份钬,混合均匀得到混合粉末,将混合粉末放在真空干燥箱中干燥后,在氩气的保护下,利用高能球磨机将混合粉末进行充分球磨和混合,然后在20MPa压强下,将球磨后的混合粉末在550℃下热压烧结30min后随炉冷却,即得到变压器用永磁体。
实施例8
一种变压器用永磁体的制备方法,步骤如下:称取重量份数的如下粉末:18份钕,50份铁,3份硼,1份铑,1份钯,1份银,1份铈,2份镨,3份钷,1份钐,2份铕,3份钆,1份镝,2份钬,混合均匀得到混合粉末,将混合粉末放在真空干燥箱中干燥后,在氩气的保护下,利用高能球磨机将混合粉末进行充分球磨和混合,然后在20MPa压强下,将球磨后的混合粉末在550℃下热压烧结30min后随炉冷却,即得到变压器用永磁体。
实施例9
一种变压器用永磁体的制备方法,步骤如下:称取重量份数的如下粉末:19份钕,50份铁,3份硼,1份铑,1份钯,1份银,1份铈,2份镨,3份钷,1份钐,2份铕,3份钆,1份镝,2份钬,混合均匀得到混合粉末,将混合粉末放在真空干燥箱中干燥后,在氩气的保护下,利用高能球磨机将混合粉末进行充分球磨和混合,然后在20MPa压强下,将球磨后的混合粉末在550℃下热压烧结30min后随炉冷却,即得到变压器用永磁体。
实施例10
一种变压器用永磁体的制备方法,步骤如下:称取重量份数的如下粉末:20份钕,50份铁,3份硼,1份铑,1份钯,1份银,1份铈,2份镨,3份钷,1份钐,2份铕,3份钆,1份镝,2份钬,混合均匀得到混合粉末,将混合粉末放在真空干燥箱中干燥后,在氩气的保护下,利用高能球磨机将混合粉末进行充分球磨和混合,然后在20MPa压强下,将球磨后的混合粉末在550℃下热压烧结30min后随炉冷却,即得到变压器用永磁体。
对比例
一种变压器用永磁体的制备方法,步骤如下:称取重量份数的如下粉末:11份钕,50份铁,3份硼,混合均匀得到混合粉末,将混合粉末放在真空干燥箱中干燥后,在氩气的保护下,利用高能球磨机将混合粉末进行充分球磨和混合,然后在20MPa压强下,将球磨后的混合粉末在550℃下热压烧结30min后随炉冷却,即得到变压器用永磁体。
对比试验结果
实施例 | 实施例相比对比例在磁性能上的提升 |
1 | 5% |
2 | 4% |
3 | 6% |
4 | 4% |
5 | 6% |
6 | 5% |
7 | 4% |
8 | 6% |
9 | 4% |
10 | 6% |
Claims (2)
1.一种变压器用永磁体的制备方法,步骤如下:称取重量份数的如下粉末:11份钕,50份铁,3份硼,1份铑,1份钯,1份银,1份铈,2份镨,3份钷,1份钐,2份铕,3份钆,1份镝,2份钬,混合均匀得到混合粉末,将混合粉末放在真空干燥箱中干燥后,在氩气的保护下,利用高能球磨机将混合粉末进行充分球磨和混合,然后在20MPa压强下,将球磨后的混合粉末在550℃下热压烧结30min后随炉冷却,即得到变压器用永磁体。
2.采用本发明的工艺和设备明显提高磁体的磁性能和耐腐蚀性能,是非常有发展的工艺和设备技术。
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103824668A (zh) * | 2014-01-17 | 2014-05-28 | 浙江东阳东磁有限公司 | 一种低重稀土高矫顽力烧结钕铁硼磁体及其制备方法 |
CN106935392A (zh) * | 2017-03-10 | 2017-07-07 | 解伟 | 热压纳米晶各向异性磁体 |
CN107195414A (zh) * | 2017-05-27 | 2017-09-22 | 浙江大学 | 一种(Nd,Y)‑Fe‑B稀土永磁体及其制备方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN103824668A (zh) * | 2014-01-17 | 2014-05-28 | 浙江东阳东磁有限公司 | 一种低重稀土高矫顽力烧结钕铁硼磁体及其制备方法 |
CN106935392A (zh) * | 2017-03-10 | 2017-07-07 | 解伟 | 热压纳米晶各向异性磁体 |
CN107195414A (zh) * | 2017-05-27 | 2017-09-22 | 浙江大学 | 一种(Nd,Y)‑Fe‑B稀土永磁体及其制备方法 |
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