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Cordierite-based glass ceramic combined Al2O3-SiO2 system ceramic material and preparation method thereof
The invention discloses a cordierite-based glass ceramic combined Al2O3-SiO2 system ceramic material, which comprises a base material and a binding agent, the base material comprises 5-30 wt% of cordierite-based glass ceramic powder, 10-60 wt% of mullite aggregate, 10-60 wt% of corundum aggregate, and 0-30 wt% of quartz aggregate; the cordierite-based microcrystalline glass powder is prepared from the following components in percentage by weight: 15 to 22 percent of MgO, 20 to 25 percent of Al2O3 and 25 to 60 percent of SiO2; and the use amount of the binding agent is 8-12wt% of the base material. In addition, the invention also discloses a preparation method of the cordierite-based glass ceramic combined Al2O3-SiO2 system ceramic material. According to the invention, cordierite-based microcrystalline glass is taken as a sintering aid, and cordierite crystals are added into an Al2O3-SiO2 system ceramic matrix in an in-situ synthesis manner, so that not only is a low-temperature sintering aid provided, but also the performance of the Al2O3-SiO2 system ceramic material is effectively improved; and the method has important significance in improving the quality of the Al2O3-SiO2 system ceramic material and saving the product cost, and is beneficial to popularization and application as well as progress and development of the industry technology.
本发明公开了一种堇青石基微晶玻璃结合Al2O3‑SiO2系统陶瓷材料，包括基料和结合剂，所述基料的组成为堇青石基微晶玻璃粉5～30wt％、莫来石骨料10～60wt％、刚玉骨料10～60wt％、石英骨料0～30wt％；所述堇青石基微晶玻璃粉的组成为MgO15～22wt％，Al2O320～25wt％，SiO256～60wt％；所述结合剂的用量为基料的8～12wt％。此外，还公开了上述堇青石基微晶玻璃结合Al2O3‑SiO2系统陶瓷材料的制备方法。本发明以堇青石基微晶玻璃为烧结助剂，通过在Al2O3‑SiO2系统陶瓷基体中原位合成的方式添加堇青石晶体，不仅提供了一种低温烧结助剂，而且有效提高了Al2O3‑SiO2系统陶瓷材料的性能，对于提高Al2O3‑SiO2系统陶瓷材料的品质、以及节约产品成本具有重要意义，有利于推广应用和行业技术的进步与发展。
Cordierite-based glass ceramic combined Al2O3-SiO2 system ceramic material and preparation method thereof
The invention discloses a cordierite-based glass ceramic combined Al2O3-SiO2 system ceramic material, which comprises a base material and a binding agent, the base material comprises 5-30 wt% of cordierite-based glass ceramic powder, 10-60 wt% of mullite aggregate, 10-60 wt% of corundum aggregate, and 0-30 wt% of quartz aggregate; the cordierite-based microcrystalline glass powder is prepared from the following components in percentage by weight: 15 to 22 percent of MgO, 20 to 25 percent of Al2O3 and 25 to 60 percent of SiO2; and the use amount of the binding agent is 8-12wt% of the base material. In addition, the invention also discloses a preparation method of the cordierite-based glass ceramic combined Al2O3-SiO2 system ceramic material. According to the invention, cordierite-based microcrystalline glass is taken as a sintering aid, and cordierite crystals are added into an Al2O3-SiO2 system ceramic matrix in an in-situ synthesis manner, so that not only is a low-temperature sintering aid provided, but also the performance of the Al2O3-SiO2 system ceramic material is effectively improved; and the method has important significance in improving the quality of the Al2O3-SiO2 system ceramic material and saving the product cost, and is beneficial to popularization and application as well as progress and development of the industry technology.
本发明公开了一种堇青石基微晶玻璃结合Al2O3‑SiO2系统陶瓷材料，包括基料和结合剂，所述基料的组成为堇青石基微晶玻璃粉5～30wt％、莫来石骨料10～60wt％、刚玉骨料10～60wt％、石英骨料0～30wt％；所述堇青石基微晶玻璃粉的组成为MgO15～22wt％，Al2O320～25wt％，SiO256～60wt％；所述结合剂的用量为基料的8～12wt％。此外，还公开了上述堇青石基微晶玻璃结合Al2O3‑SiO2系统陶瓷材料的制备方法。本发明以堇青石基微晶玻璃为烧结助剂，通过在Al2O3‑SiO2系统陶瓷基体中原位合成的方式添加堇青石晶体，不仅提供了一种低温烧结助剂，而且有效提高了Al2O3‑SiO2系统陶瓷材料的性能，对于提高Al2O3‑SiO2系统陶瓷材料的品质、以及节约产品成本具有重要意义，有利于推广应用和行业技术的进步与发展。
Cordierite-based glass ceramic combined Al2O3-SiO2 system ceramic material and preparation method thereof
一种堇青石基微晶玻璃结合Al2O3-SiO2系统陶瓷材料及其制备方法
XU XIAOYANG (author) / LAO XINBIN (author) / TU ZHI (author)
2021-08-06
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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