发明名称 |
IRON-BASED AMORPHOUS ALLOY BROAD RIBBON AND ITS MANUFACTURING METHOD |
摘要 |
The invention belongs to the technical field of rapid solidification of amorphous alloy and concretely relates to an iron-based amorphous alloy broad ribbon, wherein the width is 220-1000 mm, the thickness is 0.02-0.03 mm, the transversal thickness deviation is smaller than +/−0.002 mm, the lamination factor is larger than 0.84, the saturation magnetic-flux density is larger than 1.5 T, the iron loss is smaller than 0.20 W/kg under the conditions that the frequency is 50 Hz and the maximum magnetic-flux density is 1.3 T, and the exciting power is smaller than 0.50 VA/kg. The invention also relates to a manufacturing method of the broad ribbon, and a single-roll quenching method is adopted, wherein the width of a nozzle slot is 0.4-0.7 mm, the transversal width deviation of the nozzle slot is smaller than +/−0.05 mm, the transversal flatness deviation of a cooling roll (4) is smaller than 0.02 mm, and the surface roughness Ra is smaller than 0.0005 mm. |
申请公布号 |
US2014283957(A1) |
申请公布日期 |
2014.09.25 |
申请号 |
US201214348882 |
申请日期 |
2012.09.27 |
申请人 |
Advanced Technology & Materials Co., Ltd. |
发明人 |
Zhou Shaoxiong;Liu Guodong;Chen Wenzhi;Ding Lidong;Wang Jian;Li Quan;Zhang Zhiying;Zhao Pei |
分类号 |
H01F1/153 |
主分类号 |
H01F1/153 |
代理机构 |
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代理人 |
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主权项 |
1. An iron-based amorphous alloy broad ribbon, which is manufactured with single-roll quenching method, wherein the width of broad ribbon is 220-1000 mm, the thickness is 0.02-0.03 mm, the transversal thickness deviation is smaller than ±0.002 mm, the lamination factor is larger than 0.84, the saturation magnetic-flux density is larger than 1.5 T, the iron loss is smaller than 0.20 W/kg under the conditions that the maximum magnetic-flux density is 1.3 T and the frequency is 50 Hz, the exciting power is smaller than 0.50 VA/kg, wherein the transversal flatness deviation of a cooling roll (4) for manufacture process is smaller than 0.02 mm, the surface roughness Ra is smaller than 0.0005 mm. |
地址 |
Beijing CN |