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US 2025/0305104 A1Published application
Iron-based amorphous alloy, powdery/granular material thereof, and compacted powder material thereof
AssigneeSintokogio, Ltd.
InventorsTakehiko MIZUNO, Yasushi KINO, Shingo HAYASHI, Sota YOKOI
Life of this patent
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Abstract
To achieve both a high saturation magnetization Ms and a low coercivity Hc in an iron-based amorphous alloy. An iron-based amorphous alloy is an iron-based amorphous alloy represented by a composition formula FeaSibBcPdCe, the composition ratio a satisfying 76.0≤a≤80.0, the composition ratio b satisfying 3.0≤b≤6.9, the composition ratio c satisfying 9.9≤c≤14.0, the composition ratio d satisfying 0.8≤d≤4.6, the composition ratio e satisfying 1.0≤e≤4.1.
Claims7
An iron-based amorphous alloy represented by a composition formula FeaSibBcPdCe,
- where in a case where respective composition ratios a, b, c, d, and e of the elements Fe, Si, B, P, and C are each expressed as a percentage,
- a sum of a, b, c, d, and e satisfies 97.0≤a+b+c+d+e≤100,
- the composition ratio a of Fe satisfies 76.0≤a≤80.0,
- the composition ratio b of Si satisfies 3.0≤b≤ 6.9,
- the composition ratio c of B satisfies 9.9≤c≤14.0,
- the composition ratio d of P satisfies 0.8≤d≤4.6, and
- the composition ratio e of C satisfies 1.0≤e≤4.1.
4 more elements
Dependencies are inferred from the claim text.