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公开(公告)号：US20230230735A1
公开(公告)日：2023-07-20
申请号：US18175572
申请日：2023-02-28
IPC分类号： H01F1/33 , H02K1/02 , H01F41/02 , H01F1/26 , C22C33/02 , B22F1/05 , B22F1/07 , B22F1/16 , B22F3/02 , B22F3/24 , B22F9/04
CPC分类号： H01F1/33 , H02K1/02 , H01F41/0246 , H01F1/26 , C22C33/02 , B22F1/05 , B22F1/07 , B22F1/16 , B22F3/02 , B22F3/24 , B22F9/04 , B22F2998/10 , C22C2202/02 , B22F2999/00 , B22F2003/248 , B22F2009/041 , B22F2009/043 , B22F2301/35 , B22F2302/25 , B22F2302/45 , B22F2304/10 , B22F2304/15
摘要： A soft magnetic composite comprising an iron or iron alloy ferromagnetic material coated with an oxide material. An interface between the ferromagnetic material and the layer of oxide contains antiphase domain boundaries. Two processes for producing a soft magnetic composite are also provided. One process includes depositing an oxide layer onto an iron or iron alloy ferromagnetic material by molecular beam epitaxy at a partial oxygen pressure of from 1×10−5 Torr to 1×10−7 Torr to form a coated composite. The other process includes milling an iron or iron alloy ferromagnetic material powder and an oxide powder by high-energy milling to form a mixture; compacting the mixture and curing in an inert gas atmosphere at a temperature from 500° C. to 1200° C. to form a soft magnetic composite.
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公开(公告)号：US20210104342A1
公开(公告)日：2021-04-08
申请号：US17118001
申请日：2020-12-10
IPC分类号： H01F1/33 , H02K1/02 , H01F41/02 , H01F1/26 , C22C33/02 , B22F1/00 , B22F1/02 , B22F3/02 , B22F3/24 , B22F9/04
摘要： A soft magnetic composite comprising an iron or iron alloy ferromagnetic material coated with an oxide material. An interface between the ferromagnetic material and the layer of oxide contains antiphase domain boundaries. Two processes for producing a soft magnetic composite are also provided. One process includes depositing an oxide layer onto an iron or iron alloy ferromagnetic material by molecular beam epitaxy at a partial oxygen pressure of from 1×10−5 Torr to 1×10−7 Torr to form a coated composite. The other process includes milling an iron or iron alloy ferromagnetic material powder and an oxide powder by high-energy milling to form a mixture; compacting the mixture and curing in an inert gas atmosphere at a temperature from 500° C. to 1200° C. to form a soft magnetic composite.
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公开(公告)号：US20160307679A1
公开(公告)日：2016-10-20
申请号：US15101056
申请日：2014-12-22
CPC分类号： H01F1/33 , B22F1/0011 , B22F1/0044 , B22F1/02 , B22F3/02 , B22F3/24 , B22F9/04 , B22F2003/248 , B22F2009/041 , B22F2009/043 , B22F2301/35 , B22F2302/25 , B22F2302/45 , B22F2304/10 , B22F2304/15 , B22F2998/10 , B22F2999/00 , C22C33/02 , C22C2202/02 , H01F1/26 , H01F41/0246 , H02K1/02 , B22F3/10 , C22C1/1084 , B22F3/04 , B22F3/225 , B22F3/20 , B22F3/15
摘要： A soft magnetic composite comprising an iron or iron alloy ferromagnetic material coated with an oxide material. An interface between the ferromagnetic material and the layer of oxide contains antiphase domain boundaries. Two processes for producing a soft magnetic composite are also provided. One process includes depositing an oxide layer onto an iron or iron alloy ferromagnetic material by molecular beam epitaxy at a partial oxygen pressure of from 1×10−5 Torr to 1×10−7 Torr to form a coated composite. The other process includes milling an iron or iron alloy ferromagnetic material powder and an oxide powder by high-energy milling to form a mixture; compacting the mixture and curing in an inert gas atmosphere at a temperature from 500° C. to 1200° C. to form a soft magnetic composite.
摘要翻译： 一种软磁性复合材料，其包含涂覆有氧化物材料的铁或铁合金铁磁材料。 铁磁材料和氧化层之间的界面包含反相畴界。 还提供了用于生产软磁性复合材料的两种方法。 一种方法包括通过分子束外延在1×10 -5 Torr至1×10 -7 Torr的部分氧气压力下将氧化物层沉积到铁或铁合金铁磁材料上以形成涂覆的复合材料。 另一种方法包括通过高能铣削研磨铁或铁合金铁磁材料粉末和氧化物粉末以形成混合物; 压缩混合物并在惰性气体气氛中在500℃至1200℃的温度下固化以形成软磁性复合材料。
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