Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Ferrite wave-absorbing material and preparation method thereof
The invention relates to a ferrite wave-absorbing material and a preparation method thereof. The chemical formula of the ferrite wave-absorbing material is SrxFeyO; the preparation method comprises the following steps of: (1) selecting SrCO3 and Fe2O3 as raw materials, performing calculating according to the stoichiometric ratio of Sr to Fe in the chemical formula SrxFeyO, and weighing the raw materials; (2) adding the raw materials into a ball milling tank, adding absolute ethyl alcohol and zirconium balls, carrying out ball milling and drying, then grinding the raw materials by using a mortar, putting the ground raw materials into a crucible, putting the crucible into a muffle furnace, performing sintering in an air atmosphere, and naturally cooling then product after sintering is completed; and (3) carrying out ball milling on the sintered powder, and performing grinding and refining to obtain the wave-absorbing ferrite powder. The wave-absorbing ferrite with excellent microwave absorbing capacity and wide effective frequency band width can be obtained by utilizing the formula and the preparation method, has the advantages of high stability, excellent performance, simple process and low production cost, and has relatively high practical value and wide application prospect in the fields of electromagnetic shielding and stealth.
本发明涉及一种铁氧体吸波材料及其制备方法。该铁氧体吸波材料的化学式为SrxFeyO；其制备方法包括以下步骤：(1)选用SrCO3和Fe2O3作为原料，根据化学式SrxFeyO中Sr和Fe的化学计量比进行计算，并称量各原料；(2)将所述各原料加入球磨罐内，并添加无水乙醇和锆球，进行球磨、烘干，然后使用研钵磨碎后放入坩埚中置于马弗炉中空气气氛下烧结，烧结完成后，自然冷却；(3)将烧结后的粉料经球磨、研磨细化后即得到吸波铁氧体粉末。利用本发明配方及制备方法可得到优良的微波吸收能力的，宽有效频带宽度的吸波铁氧体，具有高稳定性、性能优良、工艺简单、生产成本低的优点，在电磁屏蔽和隐身领域具有较高的实用价值和广泛的应用前景。
Ferrite wave-absorbing material and preparation method thereof
The invention relates to a ferrite wave-absorbing material and a preparation method thereof. The chemical formula of the ferrite wave-absorbing material is SrxFeyO; the preparation method comprises the following steps of: (1) selecting SrCO3 and Fe2O3 as raw materials, performing calculating according to the stoichiometric ratio of Sr to Fe in the chemical formula SrxFeyO, and weighing the raw materials; (2) adding the raw materials into a ball milling tank, adding absolute ethyl alcohol and zirconium balls, carrying out ball milling and drying, then grinding the raw materials by using a mortar, putting the ground raw materials into a crucible, putting the crucible into a muffle furnace, performing sintering in an air atmosphere, and naturally cooling then product after sintering is completed; and (3) carrying out ball milling on the sintered powder, and performing grinding and refining to obtain the wave-absorbing ferrite powder. The wave-absorbing ferrite with excellent microwave absorbing capacity and wide effective frequency band width can be obtained by utilizing the formula and the preparation method, has the advantages of high stability, excellent performance, simple process and low production cost, and has relatively high practical value and wide application prospect in the fields of electromagnetic shielding and stealth.
本发明涉及一种铁氧体吸波材料及其制备方法。该铁氧体吸波材料的化学式为SrxFeyO；其制备方法包括以下步骤：(1)选用SrCO3和Fe2O3作为原料，根据化学式SrxFeyO中Sr和Fe的化学计量比进行计算，并称量各原料；(2)将所述各原料加入球磨罐内，并添加无水乙醇和锆球，进行球磨、烘干，然后使用研钵磨碎后放入坩埚中置于马弗炉中空气气氛下烧结，烧结完成后，自然冷却；(3)将烧结后的粉料经球磨、研磨细化后即得到吸波铁氧体粉末。利用本发明配方及制备方法可得到优良的微波吸收能力的，宽有效频带宽度的吸波铁氧体，具有高稳定性、性能优良、工艺简单、生产成本低的优点，在电磁屏蔽和隐身领域具有较高的实用价值和广泛的应用前景。
Ferrite wave-absorbing material and preparation method thereof
一种铁氧体吸波材料及其制备方法
HAO HUA (Autor:in) / LUO HONGLIANG (Autor:in)
21.01.2022
Patent
Elektronische Ressource
Chinesisch
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