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Low-temperature co-fired ceramic material and preparation method thereof
The invention provides a low-temperature co-fired ceramic material, the chemical expression of the ceramic material is Li3Mg2NbxV1-x (O1-y/2Fy) 6, x is more than or equal to 0.75 and less than or equal to 1, and y is more than or equal to 0.03 and less than or equal to 0.25. The invention also provides a preparation method of the low-temperature co-fired ceramic material, which comprises the following steps: a pre-sintering step: proportioning and pre-sintering reactant raw materials according to the stoichiometric ratio of the chemical expression Li3Mg2NbxV1-x (O1-y/2Fy) 6 to obtain mixed material powder; a granulation step: adding a binder and a release agent into the mixed material powder, fully mixing, and carrying out spray granulation to obtain granulated powder; and a sintering step: carrying out dry pressing on the granulation powder to prepare a green body, sintering the green body, and cooling to obtain the low-temperature co-fired ceramic material. Therefore, the low-temperature co-fired ceramic material disclosed by the invention can realize low-temperature sintering on the premise of not adding a sintering aid, so that the performance of the ceramic material is greatly improved, and the preparation method is simple in process, low in cost and suitable for large-scale industrial production.
本发明提供了一种低温共烧陶瓷材料，所述陶瓷材料的化学表达式为Li3Mg2NbxV1‑x(O1‑y/2Fy)6，其中，0.75≤x≤1，0.03≤y≤0.25。本发明还提供一种所述低温共烧陶瓷材料的制备方法，包括：预烧步骤，将反应物原料按照所述化学表达式Li3Mg2NbxV1‑x(O1‑y/2Fy)6的化学计量比进行配料和预烧，获得混合材料粉末；造粒步骤，在所述混合材料粉末中加入粘结剂和脱模剂，充分混合后进行喷雾造粒，获得造粒粉；烧结步骤，将所述造粒粉干压制成生坯，将所述生坯进行烧结，冷却后获得所述低温共烧陶瓷材料。借此，本发明低温共烧陶瓷材料能够在不添加烧结助剂的前提下实现低温烧结，从而大幅提升了陶瓷材料性能，并且其制备方法工艺简单，成本低廉，适合大规模工业生产。
Low-temperature co-fired ceramic material and preparation method thereof
The invention provides a low-temperature co-fired ceramic material, the chemical expression of the ceramic material is Li3Mg2NbxV1-x (O1-y/2Fy) 6, x is more than or equal to 0.75 and less than or equal to 1, and y is more than or equal to 0.03 and less than or equal to 0.25. The invention also provides a preparation method of the low-temperature co-fired ceramic material, which comprises the following steps: a pre-sintering step: proportioning and pre-sintering reactant raw materials according to the stoichiometric ratio of the chemical expression Li3Mg2NbxV1-x (O1-y/2Fy) 6 to obtain mixed material powder; a granulation step: adding a binder and a release agent into the mixed material powder, fully mixing, and carrying out spray granulation to obtain granulated powder; and a sintering step: carrying out dry pressing on the granulation powder to prepare a green body, sintering the green body, and cooling to obtain the low-temperature co-fired ceramic material. Therefore, the low-temperature co-fired ceramic material disclosed by the invention can realize low-temperature sintering on the premise of not adding a sintering aid, so that the performance of the ceramic material is greatly improved, and the preparation method is simple in process, low in cost and suitable for large-scale industrial production.
本发明提供了一种低温共烧陶瓷材料，所述陶瓷材料的化学表达式为Li3Mg2NbxV1‑x(O1‑y/2Fy)6，其中，0.75≤x≤1，0.03≤y≤0.25。本发明还提供一种所述低温共烧陶瓷材料的制备方法，包括：预烧步骤，将反应物原料按照所述化学表达式Li3Mg2NbxV1‑x(O1‑y/2Fy)6的化学计量比进行配料和预烧，获得混合材料粉末；造粒步骤，在所述混合材料粉末中加入粘结剂和脱模剂，充分混合后进行喷雾造粒，获得造粒粉；烧结步骤，将所述造粒粉干压制成生坯，将所述生坯进行烧结，冷却后获得所述低温共烧陶瓷材料。借此，本发明低温共烧陶瓷材料能够在不添加烧结助剂的前提下实现低温烧结，从而大幅提升了陶瓷材料性能，并且其制备方法工艺简单，成本低廉，适合大规模工业生产。
Low-temperature co-fired ceramic material and preparation method thereof
低温共烧陶瓷材料及其制备方法
MAO XU (author) / WANG XIUHONG (author) / YE RONG (author) / HWANG KYUNG-HWAN (author)
2022-03-15
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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