FE-BASED AMORPHOUS ALLOY POWDER, DUST CORE USING THE SAME, AND COIL-EMBEDDED DUST CORE
First Claim
1. An Fe-based amorphous alloy powder having a composition represented by (Fe100-a-b-c-x-y-z-tNiaSnbCrcPxCyBzSit)100-α
- Mα
, 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 %.
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Accused Products
Abstract
An Fe-based amorphous alloy powder of the present invention has a composition represented by (Fe100-a-b-c-x-y-z-tNiaSnbCrcPxCyBzSit)100-αMα. 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.
-
Citations
19 Claims
-
1. An Fe-based amorphous alloy powder having a composition represented by (Fe100-a-b-c-x-y-z-tNiaSnbCrcPxCyBzSit)100-α
- Mα
, 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 %. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
- Mα
Specification