14-11-2013 дата публикации
Номер: US20130300531A1
Принадлежит:
An Fe-based amorphous alloy powder of the present invention has a composition represented by (FeNiSnCrPCBSi)M. 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 a glass transition temperature (Tg), an excellent corrosion resistance and high magnetic characteristics can be obtained. 1. An Fe-based amorphous alloy powder having a composition represented by (FeNiSnCrPCBSi)M , wherein 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 a of the metal element M satisfies 0.04 wt %≦α≦0.6 wt %.2. The Fe-based amorphous alloy powder according to claim 1 , wherein the addition amount z of B satisfies 0 at %≦z≦2 at % claim 1 , the addition amount t of Si satisfies 0 at %≦t≦1 at % claim 1 , and the sum of the addition amount z of B and the addition amount t of Si satisfies 0 at %≦z+t≦2 at %.3. The Fe-based amorphous alloy powder according to claim 1 , wherein the alloy powder includes B and Si claim 1 , and the addition amount z of B is larger than the addition amount t of Si.4. The Fe-based amorphous alloy powder according to claim 1 , wherein the addition amount α of the metal element M satisfies 0.1 wt %≦c≦0.6 wt %.5. The Fe-based amorphous alloy powder according to claim 1 , wherein the metal element M includes Ti.6. The Fe-based amorphous alloy powder according to claim 1 , wherein the metal element M includes Ti claim 1 , Al claim 1 , and Mn.7. The Fe-based amorphous alloy powder according to ...
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