A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Soft magnetic ferrite with spinel structure, preparation method of soft magnetic ferrite and application of soft magnetic ferrite in aspect of electromagnetic performance regulation and control
The invention discloses a soft magnetic ferrite with a spinel structure, a preparation method of the soft magnetic ferrite and application of the soft magnetic ferrite in the aspect of electromagnetic performance regulation and control, and relates to the field of magnetic materials, the soft magnetic ferrite with the spinel structure, the preparation method of the soft magnetic ferrite and the application of the soft magnetic ferrite in the aspect of electromagnetic performance regulation and control are prepared by mixing N iO according to a certain proportion; the AR is 99%, and the ZnO is ZnO; the content of AR is 99%, and Co3O4 is used; the content of AR is 99%, and Dy2O3 is used; 99.9% of Fe < 2 > O < 3 >; the high-entropy ceramic is prepared by sintering 99.9% of raw materials, doping of Dy < 3 + > changes a charge transfer mechanism between Fe < 3 + > and Fe < 2 + > so as to cause change of the magnetic performance of a sample, the magnetic performance of the material is adjusted by adjusting the content of Dy < 3 + > ions in the high-entropy ceramic, doping of Dy < 3 + > in Ni-Zn ferrite enables atomic distribution in material crystals to change, internal stress in the material is increased, and the magnetic performance of the material is improved. The coercive force is changed along with the increase of the grain size of the material and the increase of gaps between grain boundaries and fine particles, and the method is a solid phase method, and is low in cost, simple to operate, easy for large-scale industrial production and short in preparation period.
本发明公开了一种具有尖晶石结构的软磁铁氧体及其制备方法与电磁性能调控方面的应用，涉及磁性材料领域，该具有尖晶石结构的软磁铁氧体及其制备方法与电磁性能调控方面的应用，通过一定比例混合N iO；AR 99％，ZnO；AR 99％，Co3O4；AR 99％，Dy2O3；99.9％和Fe2O3；99.9％原料烧结制备高熵陶瓷，Dy3+的掺杂改变了Fe3+与Fe2+之间的电荷转移机制从而导致样品的磁性能发生变化，通过调节高熵陶瓷中Dy3+离子的含量调节材料磁学性能，并且在Ni‑Zn铁氧体中掺杂Dy3+使材料晶体内的原子分布发生变化，增加材料内部的内应力，材料的晶粒尺寸增大，晶界与细颗粒之间的间隙增大，从而矫顽力的大小也随之改变，该方法为固相法，成本较低、操作简单、易于大批量工业化生产、制备周期短。
Soft magnetic ferrite with spinel structure, preparation method of soft magnetic ferrite and application of soft magnetic ferrite in aspect of electromagnetic performance regulation and control
The invention discloses a soft magnetic ferrite with a spinel structure, a preparation method of the soft magnetic ferrite and application of the soft magnetic ferrite in the aspect of electromagnetic performance regulation and control, and relates to the field of magnetic materials, the soft magnetic ferrite with the spinel structure, the preparation method of the soft magnetic ferrite and the application of the soft magnetic ferrite in the aspect of electromagnetic performance regulation and control are prepared by mixing N iO according to a certain proportion; the AR is 99%, and the ZnO is ZnO; the content of AR is 99%, and Co3O4 is used; the content of AR is 99%, and Dy2O3 is used; 99.9% of Fe < 2 > O < 3 >; the high-entropy ceramic is prepared by sintering 99.9% of raw materials, doping of Dy < 3 + > changes a charge transfer mechanism between Fe < 3 + > and Fe < 2 + > so as to cause change of the magnetic performance of a sample, the magnetic performance of the material is adjusted by adjusting the content of Dy < 3 + > ions in the high-entropy ceramic, doping of Dy < 3 + > in Ni-Zn ferrite enables atomic distribution in material crystals to change, internal stress in the material is increased, and the magnetic performance of the material is improved. The coercive force is changed along with the increase of the grain size of the material and the increase of gaps between grain boundaries and fine particles, and the method is a solid phase method, and is low in cost, simple to operate, easy for large-scale industrial production and short in preparation period.
本发明公开了一种具有尖晶石结构的软磁铁氧体及其制备方法与电磁性能调控方面的应用，涉及磁性材料领域，该具有尖晶石结构的软磁铁氧体及其制备方法与电磁性能调控方面的应用，通过一定比例混合N iO；AR 99％，ZnO；AR 99％，Co3O4；AR 99％，Dy2O3；99.9％和Fe2O3；99.9％原料烧结制备高熵陶瓷，Dy3+的掺杂改变了Fe3+与Fe2+之间的电荷转移机制从而导致样品的磁性能发生变化，通过调节高熵陶瓷中Dy3+离子的含量调节材料磁学性能，并且在Ni‑Zn铁氧体中掺杂Dy3+使材料晶体内的原子分布发生变化，增加材料内部的内应力，材料的晶粒尺寸增大，晶界与细颗粒之间的间隙增大，从而矫顽力的大小也随之改变，该方法为固相法，成本较低、操作简单、易于大批量工业化生产、制备周期短。
Soft magnetic ferrite with spinel structure, preparation method of soft magnetic ferrite and application of soft magnetic ferrite in aspect of electromagnetic performance regulation and control
一种具有尖晶石结构的软磁铁氧体及其制备方法与电磁性能调控方面的应用
YANG YUJIE (author) / ZHANG ZHENYU (author) / LI HAO (author)
2024-08-20
Patent
Electronic Resource
Chinese
| European Patent Office | 2024
| European Patent Office | 2024
Preparation method of soft magnetic ferrite auxiliary agent and soft magnetic ferrite
| European Patent Office | 2023
Soft magnetic ferrite with spinel structure and application thereof
| European Patent Office | 2024
High-performance spinel soft magnetic ferrite and preparation method thereof
| European Patent Office | 2024