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Calcium-barium-strontium permanent magnetic ferrite and preparation method thereof
The preparation method of the calcium-barium-strontium permanent magnetic ferrite is characterized by comprising the following steps: (1) preparing materials; the preparation method comprises the following steps: calculating the mass of iron oxide red, calcium carbonate, strontium carbonate and barium carbonate according to CaxBaySr (1-x-y) Fe2nO19, and adding silicon dioxide, a dispersing agent and other additives to obtain a mixture A; (2) mixing the materials; adding the mixture A and water into a ball mill, and carrying out ball milling to obtain slurry; (3) carrying out primary presintering; pre-sintering the slurry obtained in the step (2) for the first time to obtain a pre-sintered material block; (4) grinding; crushing and grinding the pre-sintered material block obtained in the step (3), and sieving; (5) secondary ball milling: adding an additive and water into the pre-sintered coarse powder obtained in the step (4), and carrying out ball milling to obtain secondary slurry; (6) forming; performing compression molding on the secondary slurry to obtain a green body; (7) secondary sintering: sintering the green body in a sintering furnace to obtain a cooked body; and (8) grinding detection: grinding the cooked blank, and detecting a numerical value.
一种钙钡锶永磁铁氧体的制备方法，其特征在于，包括以下步骤：(1)配料；按CaxBaySr(1‑x‑y)Fe2nO19计算出铁红、碳酸钙、碳酸锶、碳酸钡的质量，并添加二氧化硅、分散剂及其他添加剂，得到混合料A；(2)混料；将混合料A和水加入球磨机内进行球磨得到料浆，(3)一次预烧结；将步骤(2)所得料浆进行一次预烧结得到预烧料块；(4)磨料；将步骤(3)中所得预烧料块粉碎磨粉并过筛；(5)二次球磨，将步骤(4)中得到的预烧粗粉加入添加剂和水进行球磨得到二次料浆；(6)成型；二次料浆压制成型得到生坯；(7)二次烧结，生坯放入烧结炉中烧结得到熟坯；(8)磨加工检测，将熟坯进行磨加工，并检测数值。
Calcium-barium-strontium permanent magnetic ferrite and preparation method thereof
The preparation method of the calcium-barium-strontium permanent magnetic ferrite is characterized by comprising the following steps: (1) preparing materials; the preparation method comprises the following steps: calculating the mass of iron oxide red, calcium carbonate, strontium carbonate and barium carbonate according to CaxBaySr (1-x-y) Fe2nO19, and adding silicon dioxide, a dispersing agent and other additives to obtain a mixture A; (2) mixing the materials; adding the mixture A and water into a ball mill, and carrying out ball milling to obtain slurry; (3) carrying out primary presintering; pre-sintering the slurry obtained in the step (2) for the first time to obtain a pre-sintered material block; (4) grinding; crushing and grinding the pre-sintered material block obtained in the step (3), and sieving; (5) secondary ball milling: adding an additive and water into the pre-sintered coarse powder obtained in the step (4), and carrying out ball milling to obtain secondary slurry; (6) forming; performing compression molding on the secondary slurry to obtain a green body; (7) secondary sintering: sintering the green body in a sintering furnace to obtain a cooked body; and (8) grinding detection: grinding the cooked blank, and detecting a numerical value.
一种钙钡锶永磁铁氧体的制备方法，其特征在于，包括以下步骤：(1)配料；按CaxBaySr(1‑x‑y)Fe2nO19计算出铁红、碳酸钙、碳酸锶、碳酸钡的质量，并添加二氧化硅、分散剂及其他添加剂，得到混合料A；(2)混料；将混合料A和水加入球磨机内进行球磨得到料浆，(3)一次预烧结；将步骤(2)所得料浆进行一次预烧结得到预烧料块；(4)磨料；将步骤(3)中所得预烧料块粉碎磨粉并过筛；(5)二次球磨，将步骤(4)中得到的预烧粗粉加入添加剂和水进行球磨得到二次料浆；(6)成型；二次料浆压制成型得到生坯；(7)二次烧结，生坯放入烧结炉中烧结得到熟坯；(8)磨加工检测，将熟坯进行磨加工，并检测数值。
Calcium-barium-strontium permanent magnetic ferrite and preparation method thereof
一种钙钡锶永磁铁氧体及其制备方法
DENG ZHIGANG (author) / HUANG JIALIN (author) / LIU LI (author) / BAI XIAO (author) / LONG GUOJUN (author)
2024-01-12
Patent
Electronic Resource
Chinese
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