Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Ferrite wave-absorbing material as well as preparation method and application thereof
The invention provides a ferrite wave-absorbing material as well as a preparation method and application thereof. The preparation method comprises the following steps: step S1, mixing an M type precursor BaO. 6Fe2O3, a Y type precursor 2BaO. 2CoO. 6Fe2O3 and a mineral salt, and carrying out first sintering to obtain a sintered body; s2, oxide corresponding to mineral salt in the first sintered body is removed, and a formed body is obtained; s3, annealing the molded body to obtain a ferrite material; wherein the mineral salt is potassium salt and/or sodium salt. According to the invention, a new raw material mineral salt is unexpectedly introduced in the sintering process of an M type precursor BaO. 6Fe2O3 and a Y type precursor 2BaO. 2CoO. 6Fe2O3. On the basis, the ferrite wave-absorbing material obtained by the preparation method disclosed by the invention has relatively high magnetic conductivity, and also has relatively low dielectric constant and reflectivity at the same time.
本发明提供了一种铁氧体吸波材料及其制备方法和应用。该制备方法包括以下步骤：步骤S1，将M型前驱体BaO·6Fe2O3、Y型前驱体2BaO·2CoO·6Fe2O3和矿物盐混合以进行第一烧结，得到烧结体；步骤S2，去除第一烧结体中矿物盐对应的氧化物，得到成型体；步骤S3，对成型体进行退火，得到铁氧体材料；其中，矿物盐为钾盐和/或钠盐。本发明出乎预料地在M型前驱体BaO·6Fe2O3和Y型前驱体2BaO·2CoO·6Fe2O3的烧结过程中引入新的原料矿物盐。基于此，本发明得到的铁氧体吸波材料在具有较高磁导率的基础上，还同时具有更低的介电常数及反射率。
Ferrite wave-absorbing material as well as preparation method and application thereof
The invention provides a ferrite wave-absorbing material as well as a preparation method and application thereof. The preparation method comprises the following steps: step S1, mixing an M type precursor BaO. 6Fe2O3, a Y type precursor 2BaO. 2CoO. 6Fe2O3 and a mineral salt, and carrying out first sintering to obtain a sintered body; s2, oxide corresponding to mineral salt in the first sintered body is removed, and a formed body is obtained; s3, annealing the molded body to obtain a ferrite material; wherein the mineral salt is potassium salt and/or sodium salt. According to the invention, a new raw material mineral salt is unexpectedly introduced in the sintering process of an M type precursor BaO. 6Fe2O3 and a Y type precursor 2BaO. 2CoO. 6Fe2O3. On the basis, the ferrite wave-absorbing material obtained by the preparation method disclosed by the invention has relatively high magnetic conductivity, and also has relatively low dielectric constant and reflectivity at the same time.
本发明提供了一种铁氧体吸波材料及其制备方法和应用。该制备方法包括以下步骤：步骤S1，将M型前驱体BaO·6Fe2O3、Y型前驱体2BaO·2CoO·6Fe2O3和矿物盐混合以进行第一烧结，得到烧结体；步骤S2，去除第一烧结体中矿物盐对应的氧化物，得到成型体；步骤S3，对成型体进行退火，得到铁氧体材料；其中，矿物盐为钾盐和/或钠盐。本发明出乎预料地在M型前驱体BaO·6Fe2O3和Y型前驱体2BaO·2CoO·6Fe2O3的烧结过程中引入新的原料矿物盐。基于此，本发明得到的铁氧体吸波材料在具有较高磁导率的基础上，还同时具有更低的介电常数及反射率。
Ferrite wave-absorbing material as well as preparation method and application thereof
铁氧体吸波材料及其制备方法和应用
ZHU HANGFEI (Autor:in) / SHI FENG (Autor:in) / SHAN ZHEN (Autor:in) / TANG ZISHUN (Autor:in) / FU YAQI (Autor:in) / LIU LIDONG (Autor:in)
09.01.2024
Patent
Elektronische Ressource
Chinesisch
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