公开(公告)号：EP2738282B1

公开(公告)日：2016-09-07

申请号：EP12818253.2

申请日：2012-07-26

申请人： Alps Green Devices Co., Ltd.

发明人： TAKADATE, Kinshiro ,  KOSHIBA, Hisato

IPC分类号： C22C45/02 ,  B22F1/00 ,  H01F1/153 ,  H01F1/26

CPC分类号： H01F1/28 ,  B22F9/002 ,  C22C33/003 ,  C22C33/0214 ,  C22C33/0228 ,  C22C45/02 ,  H01F1/15308 ,  H01F1/15375 ,  H01F41/0246

公开(公告)号：EP2666881A1

公开(公告)日：2013-11-27

申请号：EP11856342.8

申请日：2011-12-28

申请人： Alps Green Devices Co., Ltd.

发明人： TSUCHIYA, Keiko ,  OKAMOTO, Jun ,  KOSHIBA, Hisato

IPC分类号： C22C45/02 ,  B22F3/00 ,  H01F1/153 ,  H01F1/20 ,  H01F1/26 ,  H01F27/255

CPC分类号： H01F27/255 ,  B22F1/0003 ,  C22C33/0257 ,  C22C38/00 ,  C22C45/02 ,  H01F1/15308 ,  H01F41/0246 ,  H01F2017/048

摘要： [Object] To provide in particular an Fe-based amorphous alloy powder which has a low glass transition temperature (Tg) and an excellent corrosion resistance and which is used for a dust core or a coil-embedded dust core, each having high magnetic characteristics.
[Solution] An Fe-based amorphous alloy powder of the present invention has a composition represented by (Fe 100-a-bc-x-y-z-t Ni a Sn b Cr c P x C y B z Si t ) 100-α M α . In this composition, 0 at%≤a≤10 at%, 0 at%≤b≤3 at%, 0 at%≤c≤6 at%, 6.8 at%≤x≤10.8 at%, 2.2 at%≤y≤9.8 at%, 0 at%≤z≤4.2 at%, and 0 at%≤t≤3.9 at% hold, a metal element M is at least one selected from the group consisting of Ti, Al, Mn, Zr, Hf, V, Nb, Ta, Mo, and W, and the addition amount α of the metal element M satisfies 0.04 wt%≤α≤0.6 wt%. Accordingly, besides a decrease of Tg, an excellent corrosion resistance and high magnetic characteristics can be obtained.

摘要翻译： 本发明的课题是提供一种具有低玻璃化转变温度（Tg）和优异的耐腐蚀性的Fe基非晶质合金粉末的具体和所有其用于压粉磁芯或线圈嵌入压粉磁芯，其各自具有高磁特性 ， 本发明的Fe基[解决]一种非晶态合金粉末具有由（FE 100-A-BC-X-Y-Z-T NI Sn的b的Cr中c p XÇY BŽ硅吨）100±米±表示的组成。 在这种组合物中，在0%‰¤A‰¤10原子％，0原子%‰¤B‰¤3原子％，0原子%‰¤c‰¤6原子％，6.8原子%‰¤x‰¤10.8在 ％，2.2在%‰¤y‰¤9.8原子％，0原子%‰¤z‰0¤4.2原子％，并且在%‰¤t‰¤3.9原子％保持，金属元素M是至少一种选自 选自由钛，铝，锰，锆，铪，钒，铌，钽，Mo和W中的，与金属元素M±SATIS外资企业12:04重量%‰¤±‰¤0.6重量％的添加量。 因此，除了的Tg的降低，优异的耐腐蚀性和高的磁特性可被得到。

公开(公告)号：EP2390377A1

公开(公告)日：2011-11-30

申请号：EP10733507.7

申请日：2010-01-21

申请人： ALPS GREEN DEVICES CO., LTD

发明人： KOSHIBA, Hisato ,  TSUCHIYA, Keiko ,  OKAMOTO, Jun ,  MIZUSHIMA, Takao

IPC分类号： C22C45/02 ,  B22F1/00 ,  B22F3/00 ,  C22C38/00 ,  H01F1/14 ,  H01F1/153

CPC分类号： H01F1/26 ,  B82Y25/00 ,  B82Y30/00 ,  C22C38/02 ,  C22C45/02 ,  H01F1/14766 ,  H01F1/15308 ,  H01F1/15333 ,  H01F1/15375 ,  H01F41/0246

摘要： An Fe-based soft magnetic alloy includes: Fe; and a component R, wherein the component R contains at least one of P, C, B, and Si, there is a temperature difference of equal to or greater than 20°C between a precipitation temperature of an α-Fe crystal phase and a precipitation temperature of an Fe compound, the Fe-based soft magnetic alloy is formed of a mixed-phase structure in which an amorphous phase and the α-Fe crystal phase are mixed, and a diameter of a crystallite of the α-Fe crystal phase is equal to or smaller than 50 nm, and a volume fraction of the α-Fe crystal phase to the total is equal to or lower than 40%. In addition, the composition formula is represented by Fe 100-x-u J x R u , a component J contains at least one of Cr, Co, Ni, and Nb, and 0 at%≤x≤6 at%, 17 at%≤u≤25 at%, and 17 at%≤x+u≤27.1 at% are satisfied.

公开(公告)号：EP2738282A1

公开(公告)日：2014-06-04

申请号：EP12818253.2

申请日：2012-07-26

申请人： Alps Green Devices Co., Ltd.

发明人： TAKADATE, Kinshiro ,  KOSHIBA, Hisato

IPC分类号： C22C45/02 ,  B22F1/00 ,  H01F1/153 ,  H01F1/26

CPC分类号： H01F1/28 ,  B22F9/002 ,  C22C33/003 ,  C22C33/0214 ,  C22C33/0228 ,  C22C45/02 ,  H01F1/15308 ,  H01F1/15375 ,  H01F41/0246

摘要： [Object] To provide an Fe-based amorphous alloy having a glass transition temperature (Tg) and capable of exhibiting a high saturation magnetic flux density Bs, and a dust core made using a powder of the Fe-based amorphous alloy.
[Solution] The compositional formula of an Fe-based amorphous alloy of the present invention is (Fe 100-a-b-c-de Cr a P b C c B d Si e (a, b, c, d, and e are in terms of at%), where 0 at % ≤ a ≤ 1.9 at%, 1.7 at % ≤ b ≤ 8.0 at %, 0 at% ≤ e ≤ 1.0 at %, an Fe content (100-a-b-c-d-e) is 77 at % or more, 19 at % ≤ b + c + d + e ≤ 21.1 at%, 0.08 ≤ b/(b + c + d) ≤ 0.43, 0.06 ≤ c/(c + d) ≤ 0.87, and the Fe-based amorphous alloy has a glass transition temperature (Tg).

摘要翻译： 本发明的课题是提供一种具有玻璃化转变温度（Tg），并且能够表现出高的饱和磁通密度Bs的Fe基非晶质合金，以及使用该Fe基非晶质合金粉末的压粉磁芯制造。 [解决本发明的Fe基非晶质合金的组成式为（铁100-ABC-DE的Cr AP B C C B D的Si E（A，B，C，D，和e来讲 原子％），其中，0原子％‰¤â‰¤1.9原子％，1.7原子％‰¤b‰¤8.0原子％，0原子％‰¤ë‰¤1.0原子％（Fe含量100 ABCDE）是 在77％以上，19原子％‰¤b + C + D + E‰¤21.1原子％，12点08‰¤C b /（b + C + D）‰¤0.43 0:06‰¤/（C + D） ‰¤0.87，和Fe基非晶质合金的玻璃化转变温度（Tg）。

公开(公告)号：EP2463396A1

公开(公告)日：2012-06-13

申请号：EP10806275.3

申请日：2010-05-12

申请人： Alps Green Devices Co., Ltd.

发明人： TSUCHIYA, Keiko ,  KOSHIBA, Hisato ,  KANEKO, Kazuya ,  ABIKO, Seiichi ,  MIZUSHIMA, Takao

IPC分类号： C22C45/02 ,  C21D6/00 ,  H01F1/153 ,  H01F1/26 ,  H01F27/255

CPC分类号： C22C45/02 ,  C21D6/00 ,  C21D2201/03 ,  C22C33/003 ,  C22C33/02 ,  C22C2200/02 ,  C22C2202/02 ,  H01F1/15308 ,  H01F27/255 ,  H01F41/0226 ,  H01F2017/048

摘要： [Object] An object is to provide an Fe-based amorphous alloy used for a powder core and/or a coil encapsulated powder core having, in particular, a low glass transition temperature (Tg), a high conversion vitrification temperature (Tg/Tm), and excellent magnetization and corrosion resistance.
[Solution] An Fe-based amorphous alloy of the present invention has a composition formula represented by Fe 100-a-b-c-x-y-z-t Ni a Sn b Cr c P x C y B z Si t , and in the formula, 0 at%≤a≤10 at%, 0 at %≤b≤3 at%, 0 at%≤c≤6 at%, 6.8 at%≤x≤10.8 at%, 2.2 at%≤y≤9.8 at%, 0 at%≤z≤4.2 at%, and 0 at%≤t≤3.9 at% hold. Accordingly, an Fe-based amorphous alloy used for a powder core and/or a coil encapsulated powder core having a low glass transition temperature (Tg), a high conversion vitrification temperature (Tg/Tm), and excellent magnetization and corrosion resistance can be manufactured.

摘要翻译： 本发明的课题的目的在于，提供一种用于压粉磁芯和/或具有，尤其是低玻璃化转变温度（Tg），高的玻璃化转化温度（Tg / TM的线圈包封粉磁芯的铁基非晶质合金 ），以及优异的磁化强度和耐腐蚀性。 本发明的Fe基[解决]的非晶合金具有0组成式的Fe 100-abcxyzt的Ni为代表的Sn的b的Cr中c p XÇY BŽ的Si，并且t在式中，在%‰¤A‰ ¤10原子％，0原子%‰¤B‰¤3原子％，0原子%‰¤c‰¤6原子％，6.8原子%‰¤x‰¤10.8原子％，2.2在%‰¤y‰¤9.8 在％，0在%‰¤z‰¤4.2在％和0在%‰¤t‰¤3.9在持有％。 因此，用于压粉磁芯和/或具有低玻璃化转变温度（Tg），高换算玻璃化温度（Tg / Tm）和优异的磁化强度和耐腐蚀性的线圈包封粉磁芯可以是Fe基非晶质合金 制造。