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公开(公告)号：EP1556871B1
公开(公告)日：2009-06-24
申请号：EP03751715.8
申请日：2003-10-22
申请人： HÖGANÄS AB
发明人： ZHOU, Ye , LARSSON, Per-Olof , ANDERSSON, Henrik , HULTMAN, Lars
CPC分类号： B22F1/0062 , B22F3/24 , B22F2003/241 , B22F2003/248 , B22F2998/00 , B22F2998/10 , B22F2999/00 , H01F1/24 , H01F41/0246 , B22F1/02 , B22F1/0059 , B22F3/02 , B22F2201/04 , B22F3/1007
摘要： The present invention concerns a method of improving the properties of powder metallurgically produced SMC compacted body consisting of a soft magnetic material of insulated powder particles and an organic lubricant, to a stress relieving heat treatment in a furnace until the component has reached a temperature of at least 400 °C in an oxygen containing atmosphere having a CO content is less than 0.25 % by volume.
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公开(公告)号：EP4415901A1
公开(公告)日：2024-08-21
申请号：EP22803228.0
申请日：2022-10-17
申请人： Höganäs AB (publ)
IPC分类号： B22F1/05 , B22F1/102 , B22F1/145 , B22F1/16 , C22C33/02 , H01F1/24 , H01F1/26 , H01F1/33 , H01F3/08 , H01F41/02
CPC分类号： B22F1/102 , B22F1/16 , B22F1/05 , C22C33/0278 , C22C2202/0220130101 , H01F41/0246 , B22F2998/1020130101 , B22F1/145 , H01F1/33 , H01F1/26
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公开(公告)号：EP1556871A1
公开(公告)日：2005-07-27
申请号：EP03751715.8
申请日：2003-10-22
申请人： HÖGANÄS AB
发明人： ZHOU, Ye , LARSSON, Per-Olof , ANDERSSON, Henrik , HULTMAN, Lars
CPC分类号： B22F1/0062 , B22F3/24 , B22F2003/241 , B22F2003/248 , B22F2998/00 , B22F2998/10 , B22F2999/00 , H01F1/24 , H01F41/0246 , B22F1/02 , B22F1/0059 , B22F3/02 , B22F2201/04 , B22F3/1007
摘要： The present invention concerns a method of improving the properties of powder metallurgically produced SMC compacted body consisting of a soft magnetic material of insulated powder particles and an organic lubricant, to a stress relieving heat treatment in a furnace until the component has reached a temperature of at least 400 °C in an oxygen containing atmosphere having a CO content is less than 0.25 % by volume.
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