Soft magnetic amorphous alloy wire and preparation method thereof

Abstract

The invention provides an Fe-based soft magnetic amorphous alloy wire with good magnetic property and low cost. The amorphous alloy wire is made of common raw materials, and alloy has low cost. The invention also provides a method for preparing the soft magnetic amorphous alloy wire. The method has simple processing equipment and convenient operation. The soft magnetic amorphous alloy wire comprises the following components in percentage by weight: 2 to 6 percent of Zr, 2 to 4 percent of Cu, 0.05 to 0.1 percent of Pr, 0.01 to 0.05 percent of Ce, 4 to 8 percent of B, 1 to 3 percent of Si, 3 to6 percent of Al, 2 to 5 percent of P and the balance of Fe. The diameter of the alloy wire is between 5 and 100 mu m.

Description

1. Technical field

[0001] The invention relates to a soft magnetic amorphous alloy wire with good magnetic properties and a preparation method of the amorphous alloy wire, belonging to the technical field of magnetic materials. 2. Background technology

[0002] At present, soft magnetic amorphous wire is one of the research hotspots in the field of magnetic sensors in recent years.

[0003] No. 96107506.6 patent application proposes an alloy filament, containing its alloy composition: TwSiaBbCcRedMeM', wherein: w+a+b+c+d+e+f=100%, 0<a<15%, 0<b< 25%, 0<a+b<35%, 0<c<2%; T is one or more transition metals: Fe, Co, Ni; W=1-a-b-c-d-e-f; Re is one or more rare earths Metal: La, Ce, Nd, Sm, Tb, Dy, 0.01<d<70%; Me is Nb or y, where 0.005<e<60%; M' is one or more of the following metals: Cu, Zn, V, Ti, Cv, Mn and Al, where 0<f<65%. Using a spray casting device, a stream of molten metal is sprayed by air pressure into a rotating cooling liq...

Examples

Embodiment 1

[0019] The preparation method of soft magnetic amorphous alloy wire of the present invention:

[0020] The content by weight percentage is: Zr 2%, Cu 2%, Pr 0.05%, Ce 0.01%, B 4%, Al 3%, P 2%, Si 1%, the rest is Fe for batching, Fe, Al in raw materials , Cu, B, Pr, Ce, Si, Zr have a purity greater than 99.9%, P is added in the form of an iron-phosphorus master alloy, and the weight percentage of P in the iron-phosphorus master alloy is 18%; the raw materials are put into a vacuum induction furnace Melting, the melting temperature is 1600°C to obtain the master alloy, and then put it into the remelting tubular crucible in the vacuum induction quenching furnace for remelting, the remelting temperature is 1500°C, and the top of the remelting tubular crucible is placed in the rapid quench At 2-4mm below the rim of the furnace runner, a refractory plunger that can form the bottom of the tubular crucible can be placed in the tubular crucible by controlling the up and down movement. ...

Embodiment 2

[0022] The preparation method of soft magnetic amorphous alloy wire of the present invention:

[0023] The content by weight percentage is: Zr 6%, Cu 4%, Pr 0.1%, Ce 0.05%, B 8%, Al 6%, P 5%, Si 3%, the rest is Fe for batching, and its preparation process is the same as the implementation example one.

Embodiment 3

[0025] The preparation method of soft magnetic amorphous alloy wire of the present invention:

[0026] The content by weight percentage is: Zr 3%, Cu 3%, Pr 0.1%, Ce 0.01%, B 4%, Al 4%, P 4%, Si 2%, the rest is Fe for batching, and its preparation process is the same as the implementation example one.

1. Technical field

[0001] The invention relates to a soft magnetic amorphous alloy wire with good magnetic properties and a preparation method of the amorphous alloy wire, belonging to the technical field of magnetic materials. 2. Background technology

[0002] At present, soft magnetic amorphous wire is one of the research hotspots in the field of magnetic sensors in recent years.

[0003] No. 96107506.6 patent application proposes an alloy filament, containing its alloy composition: TwSiaBbCcRedMeM', wherein: w+a+b+c+d+e+f=100%, 0<a<15%, 0<b< 25%, 0<a+b<35%, 0<c<2%; T is one or more transition metals: Fe, Co, Ni; W=1-a-b-c-d-e-f; Re is one or more rare earths Metal: La, Ce, Nd, Sm, Tb, Dy, 0.01<d<70%; Me is Nb or y, where 0.005<e<60%; M' is one or more of the following metals: Cu, Zn, V, Ti, Cv, Mn and Al, where 0<f<65%. Using a spray casting device, a stream of molten metal is sprayed by air pressure into a rotating cooling liq...

Examples

Embodiment 1

[0019] The preparation method of soft magnetic amorphous alloy wire of the present invention:

[0020] The content by weight percentage is: Zr 2%, Cu 2%, Pr 0.05%, Ce 0.01%, B 4%, Al 3%, P 2%, Si 1%, the rest is Fe for batching, Fe, Al in raw materials , Cu, B, Pr, Ce, Si, Zr have a purity greater than 99.9%, P is added in the form of an iron-phosphorus master alloy, and the weight percentage of P in the iron-phosphorus master alloy is 18%; the raw materials are put into a vacuum induction furnace Melting, the melting temperature is 1600°C to obtain the master alloy, and then put it into the remelting tubular crucible in the vacuum induction quenching furnace for remelting, the remelting temperature is 1500°C, and the top of the remelting tubular crucible is placed in the rapid quench At 2-4mm below the rim of the furnace runner, a refractory plunger that can form the bottom of the tubular crucible can be placed in the tubular crucible by controlling the up and down movement. ...

Embodiment 2

[0022] The preparation method of soft magnetic amorphous alloy wire of the present invention:

[0023] The content by weight percentage is: Zr 6%, Cu 4%, Pr 0.1%, Ce 0.05%, B 8%, Al 6%, P 5%, Si 3%, the rest is Fe for batching, and its preparation process is the same as the implementation example one.

Embodiment 3

[0025] The preparation method of soft magnetic amorphous alloy wire of the present invention:

[0026] The content by weight percentage is: Zr 3%, Cu 3%, Pr 0.1%, Ce 0.01%, B 4%, Al 4%, P 4%, Si 2%, the rest is Fe for batching, and its preparation process is the same as the implementation example one.

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